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CT/e Dual 3.x CONFORMANCE STATEMENT

1. E AEn REVISION HISTORY REV DATE REASON FOR CHANGE 1 0 Apr 28 2003 Initial Release LIST OF EFFECTIVE PAGES SECTION NUMBER SECTION NUMBER All Sections Do not duplicate 3 GE MEDICAL SYSTEMS CT E DUAL DICOM CONFORMANCE STATEMENT DIR 2378622 REV 1 0 THIS PAGE IS LEFT BLANK INTENTIONALLY Do not duplicate 4 GE MEDICAL SYSTEMS CT E DUAL DICOM CONFORMANCE STATEMENT DIR 2378622 REV 1 0 TABLE OF CONTENTS 1 INTRODUCTION 1 1 OVERVIEW 1 2 OVERALL DICOM CONFORMANCE STATEMENT DOCUMENT STRUCTURE 1 3 INTENDED AUDIENCE 1 4 SCOPE AND FIELD OF APPLICATION 15 IMPORTANT REMARKS 16 REFERENCES 17 DEFINITIONS 1 8 SYMBOLS AND ABBREVIATIONS 2 NETWORK CONFORMANCE STATEMENT 2 1 INTRODUCTION 22 IMPLEMENTATION MODEL 2 2 1 Application Data Flow Diagram 2 2 2 Functional Definition of AE s 2 2 3 Sequencing of Real World Activities 2 3 AE SPECIFICATIONS 2 3 DICOM Server AE Specification 2 3 2 Worklist Server AE 2 3 3 PPS Server AE 2 4 COMMUNICATION PROFILES 2 4 1 Supported Communication Stacks PS 3 8 PS 3 9 2 4 4 OSI Stack 2 4 3 TCP IP Stack 2 4 4 Point to Point Stack 2 5 EXTENSIONS SPECIALIZATIONS PRIVATIZATIONS 2 5 1 Private SOP Classes 2 5 2 Private Transfer Syntaxes 2 6 CONFIGURATION 2 6 1 AE Title Presentation Address Mapping 2 6 2 Configurable Parameters 27 SUPPORT OF EXTENDED CHARACTER SETS 3 MEDIA STORAGE CONFORMANCE STATEMENT 3 1 INTRODUCTION Do not duplicate 5 10 11
2. Real World Activity Ping DICOM host consists of an operator selecting Ping DICOM host from the Network pull down menu This will cause the DICOM Server AE to initiate a DICOM Verification Request to the remote AE to verify the remote system activeness The Archive Save Real World activity consists of an operator configuring the remote node as an archive node Select choose media option under Archive pull down menu Select Remote Node in that menu Select one or more study series or image in the local database manager and choose either Save Exam or Save Series from the Archive pull down menu This will cause the DICOM server AE to send the image s to the selected destination and wait for the storage commitment from the remote node The remote node should be a storage commitment provider There is no Real World activity required for the DICOM Server AE to respond to an incoming DICOM store query or retrieve The DICOM Server AE is always prepared to respond to a DICOM Store Query or Retrieve by any remote DICOM AE The DICOM Server AE will perform the Real World activity Image Stored locally after the remote AE sends an image to the CT e Dual product Once a Query request is received the DICOM Server AE will search the local database for all entries that match the keys requested by the Remote DICOM AE and send back the list of matches The DICOM Server AE will also respond to an incoming retrieval
3. TABLE 4 5 3 1 GENERAL SERIES MODULE ATTRIBUTES data used to create the mages in this Series Series Instance UD 00200008 1 Unique identifier ofthe Seres Series Number 020 0011 2 A number tnat identies this Seres Laterality of paired body part examined 0008 nen Date the Series started Series Time Series Time 0008 0031 m Time the Series started Performing Physicians Name 0008 1050 Name of the physicians administering the Series Truncated to 26 characters Series Description 0008 103E User provided description of the Series Truncated to 29 characters Operators Name 0008 1070 Technologist s supporting the Series Truncated to 3 characters Referenced Study Component 0008 1111 Uniquely identifies the study Component SOP Sequence Instances to which the Series is related gt Referenced SOP Class UID 0008 1150 Uniquely identifies the referenced SOP Class gt Referenced SOP Instance UID 0008 1155 E Uniquely identifies the referenced SOP Instance Body Part Examined 0018 0015 Text description of the part of the body examined Sent as either HEAD ORBITS CSPINE SHOULDER CHEST ABDOMEN LSPINE PELVIS or EXTREMITY Patient Position 0018 5100 2C Patient position descriptor relative to the equipment 4 5 4 Common Frame Of Reference Entity Modules The following Frame of Reference IE Module is common to all Composite Image IODs which reference
4. 7 4 COMMUNICATION PROFILES 7 4 1 Supported Communication Stacks parts 8 9 DICOM Upper Layer Part 8 is supported using TCP IP 7 4 2 TCP IP Stack The TCP IP stack is inherited from a UNIX Operating System Do not duplicate 100 GE MEDICAL SYSTEMS CT E DUAL DICOM CONFORMANCE STATEMENT DIR 2378622 REV 22 7 4 2 1 Physical Media Support Ethernet v2 0 IEEE 802 3 7 4 3 Point to Point Stack A 50 pin ACR NEMA connection is not applicable to this product 7 5 EXTENSIONS SPECIALIZATIONS PRIVATIZATIONS None 7 6 CONFIGURATION Ethernet v2 0 IEEE 802 3 7 6 1 AE Title Presentation Address Mapping The system allows the user to Remove or Update the mapping of remote AE Titles to IP Addresses and Ports These options can be selected from the Remote Host Selection menu displayed by choosing Select Remote Host from the Network pull down menu from the local database manager A remote DICOM host can be designated as a remote archive device by setting the Remote archive node radio button on the remote host configuration panel Once a DICOM host is designated as a remote archive device the host will be available in the Archive device selection menu and can be chosen for any subsequent archive operation 7 6 2 Configurable Parameters The following fields are configurable for the DICOM Server AE e Local AE Title the machine hostname e Local IP Address e Local IP Netmask e Max PDU length e T
5. Do not duplicate 48 GE MEDICAL SYSTEMS CT E DUAL DICOM CONFORMANCE STATEMENT DIR 2378622 REV 1 0 3 MEDIA STORAGE CONFORMANCE STATEMENT 3 1 INTRODUCTION This section of the conformance statement CS specifies the CT e Dual compliance to DICOM Media Interchange It details the DICOM Media Storage Application Profiles and roles which are supported by this product in its version 4 0 Note that the format of this section strictly follows the format defined in DICOM Standard PS 3 2 Conformance Please refer to that part of the standard while reading this section 3 2 IMPLEMENTATION MODEL All DICOM functionality on the CT e Dual product is handled by the DICOM Server Application Entity AE The DICOM Server AE is commanded to perform DICOM services through the buttons and menu selections on the main user interface panel 3 2 1 Application Data Flow Diagram The Basic and Specific Application models for this device are shown in the following illustration Display Directory Create MOD Sie DICOM MOD Archive Server Media AE Storage Update MOD Local Storagd The MOD Archive Server AE has a local storage that may contain various SOP instances These may have been obtained by original creation network DICOM or proprietary or by removable media using other application entities These instances are external to this conformance claim and the origin of SOP instances is outside the scope of this claim ILLUSTRATION 3 2 1 1 SPE
6. ID Net v2 0 compatible Do not duplicate 1 2 840 113619 4 3 1 2 840 113619 4 3 1 2 840 113619 4 4 1 2 840 113619 4 4 Implicit VR Little Endian Implicit VR Big Endian GE Private Implicit VR Little Endian Implicit VR Big Endian GE Private 45 1 2 840 10008 1 2 1 2 840 113619 5 2 1 2 840 10008 1 2 1 2 840 113619 5 2 GE MEDICAL SYSTEMS CT E DUAL DICOM CONFORMANCE STATEMENT DIR 2378622 REV 1 0 2 6 CONFIGURATION 2 6 1 AE Title Presentation Address Mapping The CT e Dual system allows the user to Remove or Update the mapping of remote AE Titles to IP Addresses and Ports These options can be selected from the Remote Host Selection menu displayed by choosing Select Remote Host from the Network pull down menu from the local database manager The ConnectPro feature is configured by GEMS Field Service engineers The DICOM configuration items below are configurable or re configurable by a Field Service Engineer and are not accessible by users through the CT e Dual user interface ConnectPro allows for the configuration of the following parameters which pertain to the remote AE Remote AE HIS RIS IP address IP address used to contact the remote WorkList server AE Remote AE HIS RIS IP port IP port used to contact the remote WorkList server AE Remote AE HIS RIS Title Title name of the remote WorkList server AE Scanner AE HIS RIS Title Title name of th
7. Please refer to that part of the standard while reading this section CT e Dual product uses DICOM services to import images for further analysis and or processing It also uses DICOM services to export images to other DICOM compliant machines The ConnectPro option for CT e Dual allows a user to query for and display DICOM modality worklist information from a remote hospital or radiology department information system computer and send back MPPS to the remote hospital information system For example a user may wish to query for all procedures scheduled to be performed on the scanner and send back the message to hospital information system CT e Dual product permits an operator to configurate the remote node as an archive node for sending the image s to the selected destination and wait for the storage commitment from the remote node 2 2 IMPLEMENTATION MODEL 2 2 1 Application Data Flow Diagram There are three data flow diagrams in this section for showing Tne Banie and Specific Application models Standard Interface Push Image Remotely Images Stored Remote syster requests image storage Image Stored locally Remote Query DICOM SERVER AE Query Remote Retrieve SCP Remote Query Request Pull Images Remote pull request Query Retrieve SCP Verify Request Image Remotely Stored and committed Do not duplicate 13 GE
8. The Push operation will cause the DICOM server AE to initiate an Association when the operator selects one or more study series or images in the local database manager and then chooses either Push Examination Push Series or Push Image from the Network pull down menu on the local database manager And also automatically in response to a Retrieve C MOVE request Note If multiple study series or images are chosen to be pushed one association will be established for each of the studies series or images Do not duplicate 20 GE MEDICAL SYSTEMS CT E DUAL DICOM CONFORMANCE STATEMENT DIR 2378622 REV 1 0 2 3 1 2 1 2 Proposed Presentation Context Table The following table shows the proposed presentation contexts for the DICOM Server AE after Real World Activity Push Operation has been performed Table 2 3 1 2 1 2 1 Proposed Presentation Contexts for DICOM Server AE and Real World activity Push Image s Presentation Context Table Proposed Abstract Syntax Transfer Syntax Extended CT Image Storage 1 2 840 10008 5 1 4 1 1 2 Implicit VR Little 1 2 840 10008 1 2 SCU Endian Endian PORE Explicit VR Big Endian 1 2 840 10008 1 2 2 MR Image 1 2 840 10008 5 1 4 1 1 4 Implicit VR Little 1 2 840 10008 1 2 Storage Endian Endian nv S 5 Explicit VR Big Endian 1 2 840 10008 1 2 2 Secondary 1 2 840 10008 5 1 4 1 1 7 Implicit VR Little 1 2 840 10008 1 2 Capture Image Endian Storage Explicit VR Li
9. 0028 0002 gt Photometric 0028 0004 MONOCHROME2 MONOCHROME2 Interpretation gt Rows 0028 0010 Image Dependent Image Dependent gt Columns 0028 0011 Image Dependent Image Dependent gt Pixel Aspect Ratio 0028 0034 Bis Allocate 0028 0100 CN gt Bits Stored 0028 0101 High Bit 0028 0102 gt Pixel Representation 0028 0103 0 unsigned integer 0 unsigned integer Polarity 2020 0020 NORMAL NORMAL Do not duplicate 92 GE MEDICAL SYSTEMS CT E DUAL DICOM CONFORMANCE STATEMENT DIR 2378622 REV 22 Note denotes that the attribute is optional for the SCU However we do provide values for all of these optional attributes and if the SCP does not support the requested value it may choose to either return a failure status or ignore the value provided and use its default value If Failure status is returned during N SET operation of Image Box following action will be taken by Print SCU 0xC605 Resources temporarily not available message will be sent to user interface All other status Failure message will be sent to user interface In all the cases the print session will be terminated 6 3 1 2 2 4 Printer SOP Class N GET DIMSE service is supported for the Printer SOP Class If an N LEVENT REPORT DIMSE service is received when the association is active Print SCU handles the relevant states but the data received is ignored Print SCU issues the request to retrieve the following
10. 11 11 12 12 12 13 13 13 13 15 18 18 18 40 43 43 43 43 43 43 43 44 46 46 46 48 49 49 GE MEDICAL SYSTEMS CT E DUAL DICOM CONFORMANCE STATEMENT DIR 2378622 REV 1 0 3 2 IMPLEMENTATION MODEL 3 2 1 Application Data Flow Diagram 3 2 2 Functional Definition of AE s 3 2 3 Sequencing Requirements 3 2 4 File Meta Information Options See PS3 10 3 3 AE SPECIFICATIONS 3 3 4 Archive Specification 3 4 Augmented and Private Application Profiles 3 4 1 Class and Profile Identification 3 4 2 Clinical Contexts 3 4 3 Standard Application Profiles 3 5 EXTENSIONS SPECIALIZATIONS PRIVATIZATIONS of SOP Classes and Transfer Syntaxes 3 5 1 Extensions Specializations and Privatizations of SOP Classes 3 5 2 Private Transfer Syntax Specification 3 6 CONFIGURATION 3 7 SUPPORT OF EXTENDED CHARACTER SETS 4 CT INFORMATION OBJECT IMPLEMENTATION 4 1 introduction 4 2 CT IOD Implementation 4 3 CT Entity Relationship Model 4 3 1 ENTITY DESCRIPTIONS 44 IOD MODULE TABLE 4 5 INFORMATION MODULE DEFINITIONS 4 5 1 Patient Entity Modules 4 5 2 Study Entity Modules 4 5 3 Common Series Entity Modules 4 5 4 Common Frame Of Reference Entity Modules 4 5 5 Equipment Entity Modules 4 5 6 Image Entity Modules 4 5 Common Lookup Table Modules 4 5 8 General Modules 4 5 9 CT Modules 4 6 PRIvate data dictionary 5 MODALITY WORKLIST INFORMATION MODE
11. Current Patient Location 0038 0300 No Displayed on More Info screen 5 5 5 3 Visit Relationship TABLE 5 5 7 VISIT RELATIONSHIP MODULE ATTRIBUTES Attribute Name Tag Expected Expected Mapped Attribute Description Matching Restored jonto the Key Type Key Type Image 5 5 5 4 Visit Admission No data elements are requested from the Visit Admission Module 5 5 6 Patient Entity 5 5 6 1 Patient Relationship No data elements are requested from the Patient Relationship Module 5 5 6 2 Patient Identification TABLE 5 5 8 PATIENT IDENTIFICATION MODULE ATTRIBUTES Attribute Name Tag Expected Expected Mapped Attribute Description Matching Restored onto the Key Type Key Type Image Patient s Name 0010 0010 1 Yes This attribute is sent with zero length Truncated to 64 characters Patient ID 0010 0020 1 Yes This attribute is sent with zero length Truncated to 16 characters Do not duplicate 85 GE MEDICAL SYSTEMS CT E DUAL DICOM CONFORMANCE STATEMENT DIR 2378622 REV 22 5 5 6 3 Patient Demographic TABLE 5 5 9 PATIENT DEMOGRAPHIC MODULE ATTRIBUTES Attribute Name Expected Expected Mapped Attribute Description Matching Restored onto the Key Type Key Type Patient s Weight 0010 1030 PRA CA 2 Limited to maximum value of 999 kg Patient s Address 0010 1040 15 Patient s Telephone 0010 2154 Numbers 5 5 6 4 Patient Medical TABLE 5 5 10 PATIENT MEDICAL MODULE ATTRI
12. Direction of rotation of the source when relevant about nearest principal axis of equipment Enumerated Values CW clockwise CC counter clockwise Exposure Time 0018 1150 Time of x ray exposure in msec When ImageType Value3 is SEGMENTED it is calculated by formula Rotation Speed 0019 1027 x 0 652 to set equivalent exposure time for segmented recon X ray Tube Current 0018 1151 X ray Tube Current in mA Do not duplicate 73 GE MEDICAL SYSTEMS CT E DUAL DICOM CONFORMANCE STATEMENT DIR 2378622 REV 22 Exposure 0018 1152 3 The product of exposure time and X ray Tube Current expressed in mas Filter Type 0018 1160 3 Label for the type of filter inserted into the x ray beam Generator Power 0018 1170 Power in kW to the x ray generator Focal Spot 0018 1190 3 Size of the focal spot in mm 1 200000 or X XXxxxxx in this system Convolution Kernel Do not duplicate 0018 1210 74 A label describing the convolution kernel or algorithm used to reconstruct the data Sent as either SOFT STND STD EDGE BONE DETL CHST or PFRM GE MEDICAL SYSTEMS CT E DUAL DICOM CONFORMANCE STATEMENT DIR 2378622 REV 22 4 5 9 1 1 CT Image Attribute Descriptions 4 5 9 1 1 1 Image Type Value 1 Identifies an image to be either an ORIGINAL image or a DERIVED image An ORIGINAL image is an image whose pixel values represent original non transformed data A DERIVED image is an image which has been
13. File Set Readers shall be able to read all the SOP Classes defined for the specific Application Profile for which a Conformance Statement is made using all the defined Transfer Syntaxes 3 4 2 1 3 File Set Updater The role of File Set Updater is used by Application Entities which receive a transferred File Set and update it by the addition of information Typical entities using this role would include analytic workstations which for instance may add to the File set an information object containing a processed e g edge enhanced image File set Updaters do not have to read the images File set Updaters shall be able to generate one or more of the SOP Instances defined for the specific Application Profile for which a conformance statement is made and to read and update the DICOMDIR file 3 4 3 Standard Application Profiles The MOD Archive Server supports the standard Application Profile CTMR MOD as an FSC FSR or FSU Do not duplicate 55 GE MEDICAL SYSTEMS CT E DUAL DICOM CONFORMANCE STATEMENT DIR 2378622 REV 1 0 3 4 3 1 STD CTMR MOD12 Class Profile 3 4 3 1 1 SOP Classes and Transfer Syntaxes This class of Application Profiles is based on the Media Storage Service Class with the Interchange Option see PS3 4 SOP Classes and corresponding Transfer Syntaxes supported by the STD CTMR MOD12 Application Profiles is also specified in the Table 3 4 3 1 1 1 Table 3 4 3 1 1 1 IOD s and Transfer Syntaxes for CT MOD Application Profile
14. GE MEDICAL SYSTEMS CT E DUAL DICOM CONFORMANCE STATEMENT DIR 2378622 REV 22 4 5 6 1 1 General Image Attribute Descriptions 4 5 6 1 1 1 Image Type The Image Type attribute is multi valued and shall be provided in the following manner Value 1 shall have the following Enumerated Values ORIGINAL identifies an Original Image DERIVED identifies a Derived Image Value 2 shall have the following Enumerated Values PRIMARY identifies a Primary Image SECONDARY identifies a Secondary Image Value 3 shall identify any image IOD specific specialization optional Other values which are implementation specific optional 4 5 6 1 1 2 Derivation Description and Source Image Sequence If an image is identified to be a Derived image Derivation description is an optional text description of the way the image was derived It may be used whether or not the Source Image Sequence is provided It may also be used in cases when the Derived Image pixel data is not significantly changed from one of the source images and the SOP Instance UID of the Derived Image is the same as the one used for the source image If an Image is identified to be a Derived image see C 7 6 1 1 2 Image Type Source Image Sequence 0008 2112 is an optional list of Referenced SOP Class UID 0008 1150 Referenced SOP Instance UID 0008 1150 pairs which identify the Source images used to create the Derived image It may be used whether or not there is a description of the way t
15. Manufacturer s serial number of the equipment that produced the digital images Sent as 0000290 XXXXXXX for CT e Dual ProSpeed F I system XXXXXXX is user defined number Software Versions 0018 1020 Manufacturer s designation of software version of the equipment that produced the digital images Sent 3 xx for CT e Dual and ProSpeed A II F Il system X is either 0 9 Spatial Resolution 0018 1050 The inherent limiting resolution in mm of the equipment for high contrast objects for the data gathering and reconstruction technique chosen If variable across the images of the series the value at the image center Always sent as 0 350000 in this implementation Pixel Padding Value 0028 0120 3 See 4 5 5 1 1 1 Do not duplicate 67 GE MEDICAL SYSTEMS CT E DUAL DICOM CONFORMANCE STATEMENT DIR 2378622 REV 22 4 5 5 1 1 General Equipment Attribute Descriptions 4 5 5 1 1 1 Pixel Padding Value Pixel Padding Value 0028 0120 is used to pad non rectangular images to rectangle format The native format of some images is not rectangular for instance circular It is common for devices with this format to pad the images to the rectangular format required by the DICOM Standard with a specific pixel value that is not contained in the native image This attribute specifies the value of this padding value 4 5 6 Common Image Entity Modules The following Image IE Modules are common to all Composite Image IODs
16. Mapping of SPS data to MPPS SOP instance is explained in section 8 4 Mapping of specific SPS data to CT DICOM IMAGE HEADER for PPS is explained in section 8 5 For the MPPS associated with a post processing the following restrictions apply on the attributes listed below Referenced Study Sequence The sequence is not sent in the MPPS message Scheduled Step Attribute Sequence a maximum of ONE item is supported The attribute will be send only if SPS information is available in the image instance Referenced Patient Sequence This sequence is not added Scheduled action Item Code Sequence The sequence is not send in the MPPS message Performed Procedure Step Start date amp Performed Procedure Step start time The exam date and exam time that is the Start date and Start Time of the associated Study Component Exam is used not the actual Do not duplicate 40 GE MEDICAL SYSTEMS CT E DUAL DICOM CONFORMANCE STATEMENT DIR 2378622 REV 1 0 time when post processing started Performed Procedure Step end date amp Performed Procedure Step end time The date and time when user chooses to Complete PPS or Discontinue PPS is taken as the Performed Procedure Step End Date and Performed Procedure Step End Time respectively Not the actual end date and end time of post processing Procedure Code Sequence This sequence is sent with ZERO items in the MPPS message Performed Action Item Code Sequence Th
17. PDU for association initiated by the DICOM Storage Commitment SCU AE is Maximum Length PDU 10 Kbytes 7 3 1 1 2 Number of associations A single association is used to send the commitment request This waits for the response from commitment provider on the same association for a configurable amount of time It will also accept an association for receiving Do not duplicate 98 GE MEDICAL SYSTEMS CT E DUAL DICOM CONFORMANCE STATEMENT DIR 2378622 REV 22 the response from commitment provide at any time 7 3 1 1 3 Asynchronous nature Asynchronous window negotiation is not supported 7 3 1 1 4 Implementation identifying information The Implementation UID for this GEMS Implementation is CT e Dual Implementation UID 1 2 840 113619 6 81 7 3 1 2 Association initiation policy An association is initiated by the Storage SCU to the provider to send the images to be committed A separate association is established to send the commitment request 7 3 1 3 Request Processing The images in the selected exam series are sent to the remote commitment provider entity using DICOM C STORE operations If there are any failures in the image transfers the Storage commitment request will not be sent The corresponding job will be marked as failed and user will be notified of the status of job If all the images are successfully transferred then the commitment request will be sent on a different association with the list of sop instances If the N Actio
18. Procedure Step Endian 2 3 3 1 4 1 SOP Specific DICOM Conformance Statement for MPPS SOP class If the remote AE does not support the proposed Presentation context an appropriate error message logged Only one association is opened at a time All the operations used by this SOP class support an association timer which is configurable The timer is started when a request association request N CREATE request or N SET request is send and stopped when the respective response is received The default time out value is 300 seconds All the operations used by this SOP class support a Session Timer This timer is started when the association is established and stopped when association is ended The default time out value is 3000 seconds Do not duplicate 41 GE MEDICAL SYSTEMS CT E DUAL DICOM CONFORMANCE STATEMENT DIR 2378622 REV 1 0 If any of the above timers expires the association is aborted and the operation in progress is considered FAILED In any case an operation N CREATE or N SET fails system updates the state to enable operator to manually invoke the operation at any later time Real World Activity Modality Performed Procedure Step PPS from acquisition system with MWL data The system has a Modality Work list Server AE installed Work List information is obtained from HIS RIS system through the use of Basic Work list Management Service Use of the information retrieved in the creation of Image SOP instance is described M
19. The Position Reference Indicator may or may not coincide with the origin of the mixed frame of reference related to the Frame of Reference UID Do not duplicate 66 GE MEDICAL SYSTEMS CT E DUAL DICOM CONFORMANCE STATEMENT DIR 2378622 REV 22 4 5 5 Common Equipment Entity Modules The following Equipment IE Module is common to all Composite Image IODs which reference the Equipment IE 4 5 5 1 General Equipment Module This section specifies the Attributes which identify and describe the piece of equipment which produced a Series of Images TABLE4 5 5 1 GENERAL EQUIPMENT MODULE ATTRIBUTES Attribute Name Tag Attribute Description 0008 0070 2 GE MEDICAL SYSTEMS Institution Name 0008 0080 Institution where the equipment is located that produced the digital images Truncated to 32 characters Station Name 0008 1010 User defined name identifying the machine that produced the digital images Truncated to 8 characters Institutional Department Name 0008 1040 Department in the institution where the equipment is located that produced the digital images Always sent as in this implementation Manufacturer s Model Name 0008 1090 Manufacturer s model number of the equipment that produced the digital images Sent as ProSpeed All for ProSpeed A II ProSpeed for ProSpeed E II ProSpeed FII for ProSpeed and CT e Dual for CT e Dual in this implementation Device Serial Number 0018 1000
20. used by the Print SCU to establish the association with the desired printer Do not duplicate 88 GE MEDICAL SYSTEMS CT E DUAL DICOM CONFORMANCE STATEMENT DIR 2378622 REV 22 The DICOM Application Context Name ACN which is always proposed is Application Context Name 1 2 840 10008 3 1 1 1 The Maximum Length PDU negotiation is included in all association establishment requests The maximum length PDU for association initiated by the DICOM Print SCU AE is Maximum Length PDU 16 Kbytes 6 3 1 1 2 Number of Associations The Print SCU will initiate only one association with printer Multiple associations are not supported 6 3 1 1 3 Asynchronous Nature The print SCU does not support asynchronous operations All operations will be performed synchronously 6 3 1 1 4 Implementation identifying information The Implementation UID allows unique identification of a set of products that share the same implementation The Implementation UID for this ID Net v3 0 Implementation is CT e Dual Implementation UID 1 2 840 113619 6 81 6 3 1 2 Association Establishment Policy Print SCU initiates the association with the Printer 6 3 1 2 1 Real World Activity 6 3 1 2 1 1 Associated Real World Activity Film Composer The Film Composer allows the user to select printers and it also allows the user to drag and drop the images from the viewer application into the film It also allows the user to manipulate some print parameters like fi
21. 0020 Matched Study time 0008 0030 Matched Accession number Beo 0008 0050 Matched Patients name 0010 0010 Matched case insensitive Study Instance UID Study description 00081030 Retumed Private Creator Identification p 0009 0010 5 IDEN 01 Suite Id P 0009 1002 Returned Do not duplicate 32 GE MEDICAL SYSTEMS DIR 2378622 REV 1 0 CT E DUAL DICOM CONFORMANCE STATEMENT Table 2 3 1 3 3 2 1 2 Supported series level keys Modality Series number Series Instance UID Series description Manufacturer Images in series Eco MEN x quee x eme 0008 103E Returned s eee p eee Table 2 3 1 3 3 2 1 3 Supported image level keys Description Instance Number SOP Instance UID Image type Rows Columns Image position Image orientation Slice thickness Slice spacing Gantry tilt Convolution kernel Reconstruction diameter Data collection diameter Flip angle Echo number Echo time Do not duplicate eem eem mm p meme mm E eee mm eem mm E eem mm p meme mm E eem mm E eem p eem mm eem mm E eem mm E eem mm p eem mm E mem umm 33 GE MEDICAL SYSTEMS DIR 2378622 REV 1 0 CT E DUAL DICOM CONFORMANCE STATEMENT Inversion time Repetition time Trigger time Private Creator Identification Dfov Rect Midscan Time Azimuth Number of Echo Private Creator Identification Scout Anref Private Creator Identification Location RAS Loca
22. 1 25 GE MEDICAL SYSTEMS CT E DUAL DICOM CONFORMANCE STATEMENT DIR 2378622 REV 1 0 Private Creator Identification P 0027000 cEMS MAGO RAS Letter for Side of Image P 0027052 ZeroLength RAS Letter for Anterior Posterior 002710583 ZeroLength RAS Letter for Scout Start Location 00054 ZeroLength RAS Letter for Scout End Location P 00055 ZeroLength Note In the above tables the type field has the following meaning R Required U Unique Optional P Private 2 3 1 2 3 Get Image s from Remote AE 2 3 1 2 3 1 Associated Real World Activity The operator must first select a destination by choosing Select Remote Host from Network pull down menu on the local database manager and then choose a hostname The operator then has to perform the Real World activity Query to get a list of Study Series Image Once the list of Study Series Image is retrieved the operator can invoke the Get operation by choosing Get Exam or Get Series or Get Image from the Network pull down menu 2 3 1 2 3 2 Proposed Presentation Contexts When the Real World activity Get is initiated all presentation contexts shown in table 2 3 1 2 3 2 1 are proposed during association establishment but only the Query Retrieve MOVE related contexts are applicable to this activity Do not duplicate 26 GE MEDICAL SYSTEMS CT E DUAL DICOM CONFORMANCE STATEMENT DIR 2378622 REV 1 0 Table 2 3 1 2 3
23. 1 2 MR Image storage SOP Class 1 2 840 10008 5 1 4 1 1 4 Secondary Capture Storage SOP Class 1 2 840 10008 5 1 4 1 1 7 2 3 1 3 Association Acceptance Policy The DICOM Server AE places no limitations on who may connect to it When the DICOM Server AE accepts an association for image storage it will receive any images transmitted on that association and store the images on disk It will also respond to queries from Remote AEs by sending matching entries Any Remote AE can request and receive a list of images on the local database The Remote AE must be configured in the local database managers list of Remote AE for it to be able to retrieve images from DICOM Server AE Any remote AE can open an association to the DICOM Server AE for the purpose of verification 2 3 1 3 1 Receive Image s This AE is indefinitely listening for associations No operator action is required to receive an image 2 3 1 3 1 1 Associated Real World Activity The Real World Activity associated with the Receive Image s operation is the storage of the image on the disk drive of the CT e Dual 2 3 1 3 1 2 Presentation Context Table Table 2 3 1 3 1 2 1 Acceptable Presentation Contexts for DICOM Server AE and Real World Activity Receive Image s Presentation Context Table Do not duplicate 28 GE MEDICAL SYSTEMS CT E DUAL DICOM CONFORMANCE STATEMENT DIR 2378622 REV 1 0 Extended Negotiation Abstract Syntax Transfer Syntax CT Image Storage 1 2 8
24. 1 3 1 2 1 Image Installation of GE Created CT Images The DICOM Server AE conforms to the SOP s of the Storage Service Class at level 1 base Private elements will be discarded from the image when receiving images containing non GE private data elements Each C STORE SCP operation supports an Association Timer Operation Inactivity Timer and Session Timer with time out values of 300 seconds 300 seconds and 60 minutes respectively Image Reception Do not duplicate 29 GE MEDICAL SYSTEMS CT E DUAL DICOM CONFORMANCE STATEMENT DIR 2378622 REV 1 0 If the DICOM Server AE returns one of the following status codes then the C STORE operation was unsuccessful and no image will be installed e 0110 Processing Failure indicates that an internal system call has failed while processing an image e A711 Out of Resources Indicates that probably there was not enough disk space to store the image The user should attempt recovery by removing some images from the CT e Dual system e A712 Out of Resources Indicates that there was not enough resource such as memory to store the image e A800 SOP Class not supported In the event of a successful C STORE operation the image has successfully been written to disk The image will then be accessed in the same manner as any other image by the applications on the CT e Dual system Images may be deleted when instructed to do so by the user Thus the users of the CT e Dual system determine the
25. CT IMAGE IOD MODULES 48 Lover sm es 4 5 INFORMATION MODULE DEFINITIONS Please refer to DICOM Standard Part 3 Information Object Definitions for a description of each of the entities and modules contained within the CT Information Object The following modules are included to convey Enumerated Values Defined Terms and Optional Attributes supported Type 1 amp Type 2 Attributes are also included for completeness and to define what values they may take and where these values are obtained from It should be noted that they are the same ones as defined in the DICOM Standard Part 3 Information Object Definitions Do not duplicate 62 GE MEDICAL SYSTEMS CT E DUAL DICOM CONFORMANCE STATEMENT DIR 2378622 REV 1 0 4 5 1 Common Patient Entity Modules 4 5 1 1 Patient Module This section specifies the Attributes of the Patient that describe and identify the Patient who is the subject of a diagnostic Study This Module contains Attributes of the patient that are needed for diagnostic interpretation of the Image and are common for all studies performed on the patient TABLE 4 5 1 1 1 PATIENT MODULE ATTRIBUTES Attribute Name Tag Attribute Description Patient s Name 0010 0010 2 Patient s full legal name Truncated to 64 characters Patient ID 0010 0020 2 hospital identification number or code for the patient Tr
26. Closes the association e lfalltheimages are transferred without failures the following steps will be executed If there are any failures the job will marked as failed and the Storage Commitment request will not be sent e Establishes a new association for sending the commitment request Here note that a storage Commitment request does not imply that the acquisition of images is complete e Receives the response on same association or on a different association e Updates the archive flag information for successful instances The archive flag will just indicate whether the image has been archived and will not indicate how and where it was archived So the remote archive and the local archive can not be distinguished 7 2 3 Sequencing of real world activities The user has to select the remote commitment provider and the exams series to be pushed before clicking Save Exam Series button on the Archive menu 7 3 AE SPECIFICATIONS 7 3 1 DICOM Storage Commitment SCU specifications Provides Standard Conformance to the following DICOM SOP class as an SCU SOP Class Name SOP Class UID Storage Commitment Push model SOP class 1 2 840 10008 1 20 1 7 3 1 1 Association establishment policies 7 3 1 1 1 General The DICOM Application Context Name ACN which is always proposed is 1 2 840 10008 3 1 1 1 Application Context Name The Maximum Length PDU negotiation is included in all association establishment requests The maximum length
27. DICOM CONFORMANCE STATEMENT DIR 2378622 REV 1 0 3 4 3 1 4 Directory Information in DICOMDIR Conformant Application Entities shall include in the DICOMDIR File a Basic Directory IOD containing Directory Records at the Patient and subsidiary levels appropriate to the SOP Classes in the File set All DICOM files in the File set incorporating SOP Instances defined for the specific Application Profile shall be referenced by the Directory Records All DICOM SOP Instance files in the File set are stored in the MSDOS filesystem subdirectory GEMS and are referenced from the DICOMDIR directory records Refer to Appendix B for a complete listing of all the optional modules and optional attributes used in the DICOMDIR definition Please note that the mandatory attributes in each of the directory records as mentioned in Part 3 Addendum Basic Directory Information Object Definition are not listed in the appendix but are supported by the implementation NOTE The modality attribute 0008 0060 in the DICOMDIR Series records should be CT MR for Secondary Capture SOP Class Images Otherwise the CT e Dual DICOM media display browser will not list up the series for contents rendering the retrieval to local storage impossible 3 4 3 1 4 1 Additional Keys None 3 4 3 2 STD CTMR MOD23 Class Profile 3 4 3 2 1 SOP Classes and Transfer Syntaxes This class of Application Profiles is based on the Media Storage Service Class with the Interchange Option s
28. E DUAL DICOM CONFORMANCE STATEMENT DIR 2378622 REV 22 APPENDIX A PRIVATE DATA ELEMENTS Enclosed is a listing of private data elements used in this implementation for CT Image IOD definition A 1 CT IMAGE IOD PRIVATE DATA ELEMENTS DEFINITION Private Creator ID 0019 00xx Character string BGEMS 01 shall be group 19 encoded Detector Channel 0019 xx02 816 shall always be encoded Table Speed mm rotation 0019 xx23 Real table speed of the scan shall be encoded that is following values are to be encoded axial 0 helical beam thickness mm pitch cine 0 This element shall be encoded only for axial images Mid Scan Time sec 0019 xx24 Time difference between acquisition time of the first axial scan including helical or cine scan in the exam and acquisition time of the first view data that resulted the image shall be encoded This element shall be encoded only for axial images Tube Azimuth degree 0019 xx26 3 SL 1 Tube angle shall be encoded if the image is LOCALIZER image Rotation Speed msec 0019 xx27 3 DS 1 Gantry rotation period shall be encoded This element shall be encoded only for axial images SFOV Type 0019 xx39 3 SS 1 One of the following SFOV type value shall be encoded This element shall always be encoded Ped Head Head Small Medium 16 Large 32 Wild 64 Shoulder L 128 No Sfovtype Segment Number 0019 xx42 3 SS 1 Segment number shall be encoded if
29. INFORMATION MODEL KEYS Please refer to DICOM Standard PS 3 3 Information Object Definitions and PS 3 4 Service Class Specifications for a description of each of the Entities contained within the Modality Worklist Information Model The following Module descriptions contain the attributes which are present in a C FIND request message sent by the Worklist Server AE to a remote AE It should be noted that they are the same as those defined in the DICOM Standard PS 3 4 Service Class Specifications and include Name Tag group and element numbers Expected Matching Key Type R required O optional Expected Return Key Type 1 non zero value required 1C conditionally of type 1 2 required to be present possibly with zero length value 3 optional Mapped into The Image whether this data is mapped into subsequently acquired images Notes clarification of this implementation s use treatment of this attribute Do not duplicate 79 GE MEDICAL SYSTEMS CT E DUAL DICOM CONFORMANCE STATEMENT DIR 2378622 REV 22 All data elements in the following Module descriptions are requested by the Worklist Server AE Values of data elements that are not mapped into images and are not otherwise dealt with displayed on the user interface etc are not used and are thus discarded upon receipt See Table B 1 for further information Data elements for which values can be sent for matching purposes are described as such Data elements
30. MEDICAL SYSTEMS CT E DUAL DICOM CONFORMANCE STATEMENT DIR 2378622 REV 1 0 There are five Real World Activities that will cause the DICOM Server Application Entity DICOM Server AE to initiate a DICOM association to a remote DICOM Application Entity The Push Images Real World activity consists of an operator selecting one or more study series or image in the local database manager and choosing either Push Examination Push Series or Push Image from the Network pulldown menu on the local database manager to send the image s to a selected destination Real World Activity Query Remote causes the DICOM Server AE to initiate an association to the Remote DICOM AE and request the list of all studies Once the DICOM Server AE receives the list of studies it will select the first study as determined through the local database manager list sort criterion and request the list of series for that study After receiving the list of series the DICOM Server AE will ask for the list of images for the first series in the list The operator can then select any study in the study list to retrieve the list of series and images Real World Activity Pull Images will be available once the Query Remote activity is performed The operator can now select one or more study series or image and ask the DICOM Server AE to retrieve the selected image s from the Remote DICOM AE by choosing either Get Examination Get Series or Get Images
31. Patient a Patient can have more than one Study on the system however each Study will contain all of the information pertaining to that Patient Do not duplicate 60 GE MEDICAL SYSTEMS CT E DUAL DICOM CONFORMANCE STATEMENT DIR 2378622 REV 1 0 ILLUSTRATION 4 3 1 CT IMAGE ENTITY RELATIONSHIP DIAGRAM 1 is the subject of Series 1 1 Frame of Reference CT Image 4 3 1 ENTITY DESCRIPTIONS Please refer to DICOM Standard Part 3 Information Object Definitions for a description of each of the entities contained within the CT Information Object 4 3 1 1 Frame of Reference Entity Description The Frame of Reference entity uniquely identifies the spatial coordinate system which has been used to produce a series of images 4 4 IOD MODULE TABLE Within an entity of the DICOM CT IOD attributes are grouped into related set of attributes A set of related attributes is termed a module A module facilitates the understanding of the semantics concerning the attributes and how the attributes are related with each other A module grouping does not infer any encoding of information into datasets Table 4 4 1 identifies the defined modules within the entities which comprise the DICOM CT IOD Modules are identified by Module Name Do not duplicate 61 GE MEDICAL SYSTEMS CT E DUAL DICOM CONFORMANCE STATEMENT DIR 2378622 REV 1 0 See DICOM Part 3 for a complete definition of the entities modules and attributes TABLE 4 4 1
32. and Hounsfield HU HU m SV b 0 is sent in this implementation Rescale Slope 0028 1053 1 m in the equation specified in Rescale Intercept 0028 1052 1 is sent in this implementation Scan Options 0018 0022 3 A label for special scan type taken Sent as either HELICAL MODE ASYNMETRIC CINE MODE or not set for other scan type 0018 0060 Peak kilo voltage output of the x ray generator used Acquisition Number 0020 0012 A number identifying the single continuous gathering of data over a period of time which resulted in this image Reconstruction Diameter 0018 1100 Diameter in mm of the region from within which data were used in creating the reconstruction of the image Data may exist outside this region and portions of the patient may exist outside this region Distance Source to Detector 0018 1110 3 Distance in mm from source to detector center Distance Source to Patient 0018 1111 Distance in mm from source to isocenter center of field of view Gantry Detector Tilt 0018 1120 Nominal angle of tilt in degrees of the scanning gantry Not intended for mathematical computations If 0008 0008 value 3 is set as CTINTERVENTION this value is prescribed value and may not be actual value Do not use this element for any calculations Table Height 0018 1130 The distance in mm of the top of the patient table to the center of rotation below the center is positive Rotation Direction 0018 1140
33. attributes Optional Attribute DICOM Tag Default Value Printer Status 2110 0010 Printer shall return Value Printer Status Info 2110 0020 Printer shall return Value Printer Name 2110 0030 Printer shall return Value Manufacturer 0008 0070 Printer shall return Value Manufacturer Model Name 0008 1090 shall return Device Serial No 1800 1000 Printer shall return Value Software Versions 1800 1020 Printer shall return Value Date Last Calibrated 1800 1200 Printer shall return Value Time Last Calibrated 1800 1201 Printer shall return Value 6 3 1 2 2 5 Print Job SOP Class At present N GET DIMSE Service Elements are not supported for Print Job Class Print SCU looks for following attributes in NLEVNET REPORT data received from Print SCP Attribute Name DICOM Tag Default Value Execution Status 2100 0020 Printer shall return Value Execution Status info 2100 0030 shall return Do not duplicate 93 GE MEDICAL SYSTEMS CT E DUAL DICOM CONFORMANCE STATEMENT DIR 2378622 REV 22 Print Priority 2000 0020 Printer shall return Value Creation Date 2100 0040 Printer shall return Value Creation Time 2100 0050 Printer shall return Value 2110 0030 Printer shall return Printer Name Value Originator 2100 0070 Printer shall return Value 6 3 1 3 Association Acceptance Policy The Print SCU does not accept associations 6 4 C
34. choose to either return a failure status or ignore the value provided and use its default value If Failure status is returned during N CREATE operation of Film box following action will be taken by Print SCU 0x213 Resource Limitation message will be sent to user interface 0x106 Unsupported Film Format message will be sent to user interface All other status Failure message will be sent to user interface In all the cases the print session will be terminated If Failure status is returned during N ACTION operation of Film box following action will be taken by Print SCU 0xC602 Unable to Create Print Job message will be sent to user interface All other status Failure message will be sent to user interface In all the cases the print session will be terminated If Failure status is returned during N DELETE operation of Film box following action will be taken by Print SCU All the return status Failure message will be sent to user interface and the print session will be terminated 6 3 1 2 2 3 Basic Grayscale Image Box SOP Class The Print SCU supports the following DIMSE Service Elements for Grayscale Image Box SOP Class N SET Requests the Printer to set the image box attributes The Following Attribute values are supported Attribute DICOM Tag Valid Range Default Value Image Position 2020 0010 omimage No Default Value Display Format Pre formatted Grayscale 2020 0110 Image Sequence gt Samples per pixel
35. created by combining two or more images together Value 2 Identifies an image to be either a PRIMARY image or a SECONDARY image A PRIMARY image is an image whose pixel values represent original non transformed data A SECONDARY image is an image which has been created by combining two or more images together Value 3 Identifies the type of processing which created the image An AXIAL image is an image which was created as a result of axial CT scanning A LOCALIZER is an image which was created with the intent of being used as a prescription image for AXIAL scanning A SEGMENTED image is an AXIAL image whose reconstruction provides time segmented information REFORMATTED image is an image which represents a cut plane across a set of AXIAL images A CTINTERVENTION is an image which was created as a result of CT Fluoroscopy image capture and NOT the intent of being used for diagnostics Value 4 Identifies the type of optional processing which created the image An ADD image is an image which was created as a result of multiple axial CT scanning ILLUSTRATION4 5 9 1 1 1 CT IMAGE TYPE DECISION TREE 4 6 PRIVATE DATA DICTIONARY Refer to Appendix A Do not duplicate 75 GE MEDICAL SYSTEMS CT E DUAL DICOM CONFORMANCE STATEMENT DIR 2378622 REV 22 5 MODALITY WORKLIST INFORMATION MODEL DEFINITION 5 1 INTRODUCTION This section specifies the use of the DICOM Modality Worklist Information Model used to organize data and against which
36. do so will likely result in the loss of function and or connectivity as the DICOM Standard changes and GE Products are enhanced to support these changes Interaction It is the sole responsibility of the non GE provider to ensure that communication with the interfaced equipment does not cause degradation of GE imaging equipment performance and or function 1 6 REFERENCES A list of references which is applicable to all GEMS Conformance Statements is included in the ntroduction to the Integrated DICOM Network ID Net v3 0 Conformance Statement Direction 2118780 1 7 DEFINITIONS A set of definitions which is applicable to all GEMS Conformance Statements is included in the Introduction to the Integrated DICOM Network ID Net v3 0 Conformance Statement Direction 2118780 1 8 SYMBOLS AND ABBREVIATIONS A list of symbols and abbreviations which is applicable to all GEMS Conformance Statements is included in the Introduction to the Integrated DICOM Network ID Net v3 0 Conformance Statement Direction 2118780 Do not duplicate 12 GE MEDICAL SYSTEMS CT E DUAL DICOM CONFORMANCE STATEMENT DIR 2378622 REV 1 0 2 NETWORK CONFORMANCE STATEMENT 2 1 INTRODUCTION This section of the DICOM Conformance Statement specifies the compliance to DICOM conformance requirements for the relevant Networking features on this GEMS product Note that the format of this section strictly follows the format defined in DICOM Standard PS 3 2 Conformance
37. duration of the storage of the image Image Installation If the image installation is unsuccessful a message will appear in the Message Log informing the user of the failure and the image will be removed If the image installation process finds that an element is not encoded according to the DICOM standard it will fail to install the image and the file will be removed Image Installation of GE Created CT Images Images that were originally created on recent GE CT scanners will be converted from their native Advantage Proprietary Format to DICOM format for transmission If the images are stored as full fidelity representations and are subsequently returned to recent GE scanners then the images will be transformed back to Advantage Proprietary Format There is an assumption made by such GE scanners The private element 0009 xx01 is used as the full fidelity flag If this flag contains the string GE GENESIS FF when received by a scanner then it is assumed that the image object was originally a GE created image object and contains all private elements that it was sent with If full fidelity flag is present and not all the elements are sent back as sent i e not full fidelity there are 2 possible actions 1 the translator will do its best to convert the image and will use default values where DICOM fields are missing 2 If certain critical information is not provided then the image will be stored as a screen save It is strongly su
38. for which values are not sent are sent with zero length and universal matching will apply This is the default case if no other description to the contrary is provided 5 5 1 Supported Matching The following are the types of matching that can be request by the implementation Single Value matching Universal Matching Range of date time 5 5 2 Scheduled Procedure Step Entity 5 5 2 1 SOP Common Module TABLE 5 5 1 SOP COMMON MODULE ATTRIBUTES Attribute Name Tag Expected Expected Mapped Attribute Description Matching Restored the Key Type Key Type Image Yes Matching for this item is supported only for the character set ISO IR 100 if a patient name in the query includes characters from the IR 100 set Specific Character Set 0008 0005 1 Do not duplicate 80 GE MEDICAL SYSTEMS CT E DUAL DICOM CONFORMANCE STATEMENT DIR 2378622 REV 22 5 5 2 2 Scheduled Procedure Step Module TABLE 5 5 2 SCHEDULED PROCEDURE STEP MODULE ATTRIBUTES Attribute Name Expected Expected Mapped Attribute Description Matching Restored jonto the Key Key Type Scheduled Procedure Step 0040 0100 1 No Sequence gt Scheduled Station AE Title 0040 0001 1 No Matching is supported as follows DICOM Server AE Title gt Scheduled Procedure Step 0040 0002 1 No Matching is supported as one of Start Date the following this is user selectable all days e today only e today and a number of day
39. ignore those data elements per the DICOM standard Unspecified private data element information is subject to change without notice If however the device is acting as a full fidelity storage device it should retain and re transmit all of the private data elements which are sent by GEMS devices 1 5 IMPORTANT REMARKS The use of these DICOM Conformance Statements in conjunction with the DICOM Standards is intended to facilitate communication with GE imaging equipment However by itself it is not sufficient to ensure that inter operation will be successful The user or user s agent needs to proceed with caution and address at least four issues Do not duplicate 11 GE MEDICAL SYSTEMS CT E DUAL DICOM CONFORMANCE STATEMENT DIR 2378622 REV 1 0 Integration The integration of any device into an overall system of interconnected devices goes beyond the scope of standards DICOM and of this introduction and associated DICOM Conformance Statements when interoperability with non GE equipment is desired The responsibility to analyze the applications requirements and to design a solution that integrates GE imaging equipment with non GE systems is the user s responsibility and should not be underestimated The user is strongly advised to ensure that such an integration analysis is correctly performed e Validation Testing the complete range of possible interactions between any GE device and non GE devices before the connection is declare
40. manuel dans une autre langue que l anglais c est au client qu il incombe de le faire traduire Ne pas tenter d intervention sur les quipements tant que le manuel Service n a pas t consult et compris Le non respect de cet avertissement peut entra ner chez le technicien l op rateur ou le patient des blessures dues des dangers lectriques m caniques ou autres WARNUNGDieses Kundendienst Handbuch existiert nur in englischer Sprache Falls ein fremder Kundendienst eine andere Sprache ben tigt ist es Aufgabe des Kunden f r eine entsprechende Ubersetzung zu sorgen Versuchen Sie nicht das Ger t zu reparieren bevor dieses Kundendienst Handbuch nicht zu Rate gezogen und verstanden wurde e Wird diese Warnung nicht beachtet so kann es zu Verletzungen des Kundendiensttechnikers des Bedieners oder des Patienten durch elektrische Schl ge mechanische oder sonstige Gefahren kommen AVISOEste Manual de Servicio s lo existe en ingl s e Si algun proveedor de servicios ajeno a GEMS solicita un idioma que no sea el ingl s es responsabilidad del cliente ofrecer un servicio de traducci n No se deber dar servicio t cnico al equipo sin haber consultado y comprendido este manual Do not duplicate 2 GE MEDICAL SYSTEMS CT E DUAL DICOM CONFORMANCE STATEMENT DIR 2378622 REV 1 0 de servicio observancia del presente aviso puede dar lugar a que el proveedor de servicios el operador o el paciente
41. of intersection between image plane and ISO center Do not duplicate 112 GE MEDICAL SYSTEMS CT E DUAL DICOM CONFORMANCE STATEMENT DIR 2378622 REV 22 Samples Per Pixel 0028 0002 mh Photometric Interpretation 0028 0004 WW _ Columns 0028 0011 Pixel Spacing 0028 0030 Bits Allocated 0028 0100 Ca ee Bits Stored 0028 0101 High Bit 0028 0102 Do not duplicate 113 GE MEDICAL SYSTEMS CT E DUAL DICOM CONFORMANCE STATEMENT DIR 2378622 REV 22 APPENDIX C MR SC SPECIFIC IOD DEFINITION Enclosed is a listing of MR SC IOD definition C 1 MR SPECIFIC IOD DEFINITION C 1 1 MR Image IOD Modules Entity Name Reference D Series General Series Equipment General Equipment 4 5 5 1 Image Pixel 4 5 6 3 Only the type 1 elements are sent 6 4 MR Image C2 Do not duplicate 114 GE MEDICAL SYSTEMS CT E DUAL DICOM CONFORMANCE STATEMENT DIR 2378622 REV 22 C 1 2 MR Image Module Definitions Attribute Name Tag Attribute Description Scan Options 0018 0021 Always sent MR Acquisition Type 0018 0023 2D or 3D depending on acquisition type Sequence Variant is not SK Trigger Time 0018 1060 Percent Phase Field of 0018 0094 3 iew Heart Rate 0018 1088 If 0 NOT sent Cardiac Number of 0018 1090 3 If 0 NOT sent mages Trigger Window 0018 1094 If 0 NOT sent Do not duplicate 115 GE MEDICAL SYSTEMS CT E DUAL DICOM CONFORMANCE STATEMENT DIR 2378622 REV 22
42. only one Real World activity that will cause the DICOM Server Application Entity DICOM Server AE to initiate an association to a remote DICOM entity that is a Service Class Provider SCP of the Storage Commitment SOP class The Choose Archive save Option Real World activity consists of an operator choosing a remote DICOM AE that supports Storage Commitment as provider as the archive device and selecting one or more exam or series from the local database and choosing either Save Exam or Save Series from the archive menu The images to be committed are sent to the remote provider entity first The Commitment request for the transferred image instances is sent after the complete image transfer The Commitment response can come on same association or on a different association There is no Real World activity required for the DICOM Server AE to respond to an incoming Storage Commitment response from the remote DICOM AE Illustration 7 1 1 Application Data Flow Diagram DICOM Standard interface Choose Archive SAVE Option DICOM SERVER AE Storage ommitmen Provider DICOM Standard Interface 7 2 2 Functional definitions DICOM Server AE initiates the following operations e Negotiates and establishes association with remote Storage Commitment Provider Do not duplicate 97 GE MEDICAL SYSTEMS CT E DUAL DICOM CONFORMANCE STATEMENT DIR 2378622 REV 22 e Sends the selected images to the remote DICOM AE e
43. shall always be encoded Instance Creation Time 0008 0013 3 Time the image file was created shall be encoded This element shall always be encoded Instance Creator UID 0008 0014 3 Uniquely identifies device which created the SOP Instance 4 5 9 CT Modules This Section describes CT Series Equipment and Image Modules These Modules contain Attributes that are specific to CT Image IOD 4 5 9 1 CT Image Module The table in this Section contains IOD Attributes that describe CT images TABLE 4 5 9 1 CT IMAGE MODULE ATTRIBUTES Attribute Name Attribute Description Image Type 0008 0008 See 4 5 9 1 1 1 Samples per Pixel 0028 0002 1 Number of samples planes in this image 1 is sent in this implementation Photometric Interpretation 0028 0004 MONOCHROME is sent Bits Allocated 0028 0100 1 Number of bits allocated for each pixel sample Each sample shall have the same number of bits allocated 16 is sent in this implementation Bits Stored 0028 0101 1 Number of bits stored for each pixel sample Each sample shall have the same number of bits stored 16 is sent in this implementation Do not duplicate 72 GE MEDICAL SYSTEMS CT E DUAL DICOM CONFORMANCE STATEMENT DIR 2378622 REV 22 High Bit 0028 0102 1 Most significant bit for pixel sample data Each sample shall have the same high bit 15 is sent in this implementation Rescale Intercept 0028 1052 1 The value b in relationship between stored values SV
44. which reference the Image IE 4 5 6 1 General Image Module This section specifies the Attributes which identify and describe an image within a particular series TABLE 4 5 6 1 GENERAL IMAGE MODULE ATTRIBUTES Attribute Name Attribute Description Image Number 0020 0013 2 number that identifies this image Image Date 0008 0023 2C The date the image pixel creation started Required if image is part of a series in which the images are temporally related Image Time 0008 0033 The time the image pixel creation started Required if image is part of a series in which the images are temporally related Image Type 0008 0008 E See 4 5 6 1 1 1 Acquisition Number 0020 0012 A number identifying the single continuous gathering of data over a period of time which resulted in this image Acquisition Date 0008 0022 3 The date the acquisition of data that resulted in this image started Acquisition Time 0008 0032 3 The time the acquisition of data that resulted in this image started gt Referenced SOP Class UID 0008 1150 1C Uniquely identifies the referenced SOP Class gt Referenced SOP Instance UID 0008 1155 Uniquely identifies the referenced SOP Instance Derivation Description 0008 2111 See 4 5 6 1 1 2 Source Image Sequence 0008 2112 See 4 5 6 1 1 2 Image Comment 0020 4000 3 Image Comment reconAlgo n where n is recon algorithm number is sent in this implementation Do not duplicate 68
45. will be returned Sequence matching is not supported Range matching is supported for attributes of type date and time Only hierarchical query is supported Therefore the C FIND SCP will not perform any extended negotiation 2 3 1 3 4 Retrieve Request From Remote AE This AE is indefinitely listening for associations No operator action is required to respond to a retrieve request 2 3 1 3 4 1 Associated Real World Activity The Real World Activity associated with the Retrieve Request is to send all images corresponding to the C MOVE request to the destination AE through a separate association 2 3 1 3 4 2 Presentation Context Table Table 2 3 1 3 4 2 1 Acceptable Presentation Contexts for DICOM Server AE and Real World Activity Retrieve Request Presentation Context Table Abstract Syntax Transfer Syntax Extended Negotiation StudyRoot 1 2 840 10008 5 1 4 1 2 2 2 Implicit VR Little 1 2 840 10008 1 2 SCU Query Retrieve Endian MOVE 2 3 1 3 4 2 1 SOP Specific Conformance to C MOVE SCP The DICOM Server AE provides standard conformance to the baseline Study root C MOVE Service Class SCP Each C MOVE SCP operation supports an Association Timer Operation Inactivity Timer and Session Timer with time out values of 300 seconds 300 seconds and 60 minutes respectively These time outs are configurable in dcs cfg as bi assoc tio bi store tio and bi session tio respectively All images requested in C MOVE RQ wi
46. 10008 5 1 4 1 1 MONOCHROME2 JPEG Lossless 1 2 840 10008 1 2 Process 14 4 70 selection value 1 MR nid h 2 840 10008 5 1 4 1 1 MONOCHROME2 Explicit VR Big 2 840 10008 1 2 Endian i 2 840 10008 5 1 4 1 1 MONOCHROME2 JPEG Lossless 1 2 840 10008 1 2 Capture Process 14 4 70 Image selection value 1 Secondary 1 2 840 10008 5 1 4 1 1 MONOCHROME 2 Explicit VR Big 1 2 840 10008 1 2 Capture 7 Endian 2 Image Notes The Media Archive Server AE does not support writing images using the Explicit VR Little Endian Transfer Syntax as an FSC FSU of the STD CTMR profiles The Media Archive Server AE does not support writing Secondary Capture Palette Color images as an FSC FSU of the STD CTMR profiles The default Transfer Syntax for writing images is JPEG Lossless Use of Explicit VR Big Endian Transfer Syntax may be configured by a field service engineer 3 4 AUGMENTED AND PRIVATE APPLICATION PROFILES 3 4 4 Class and Profile Identification The Class of Application Profiles defined here is for Computed Tomography and Magnetic Resonance Imaging Clinical applications The identifier for this class is CTMR MOD The specific Application Profile in this class is shown in Table 3 4 1 1 Table 3 4 1 1 CTMR MOD Profiles Application Profile Identifier CT MR Studies on 2 3GB MOD media STD CTMR MOD23 Handles single 12 or 16 bit grayscale compressed uncompressed images CT MR Studies on 1 2GB MOD media STD CTMR MO
47. 1001 Requested Procedure 0032 1060 1C No Truncated to 22 characters Description Requested Procedure Code 0032 1064 2 Code Value 0008 0100 2 Coding Scheme Designator 0008 0102 2 Code Meaning 0008 0104 Study Instance UID 0020 000D User can select whether this value is used or not In case that it is not use scanner generates study instance UID locally Referenced Study Sequence 0008 1110 Do not duplicate 83 GE MEDICAL SYSTEMS CT E DUAL DICOM CONFORMANCE STATEMENT DIR 2378622 REV 22 5 5 4 Imaging Service Request Entity 5 5 4 1 Imaging Service Request Module TABLE 5 5 4 IMAGING SERVICE REQUEST MODULE ATTRIBUTES Attribute Name Tag Expected Expected Mapped Attribute Description Matching Restored jonto the Key Type Key Type Image Requesting Physician 0032 1032 Referring Physician s Name 0008 0090 el al Truncated to 26 characters 5 5 5 Visit Entity 5 5 5 1 Visit Identification TABLE 5 5 5 VISIT IDENTIFICATION MODULE ATTRIBUTES Attribute Name Tag Expected Expected Mapped Attribute Description Matching Restored onto the Key Type Key Type Image Do not duplicate 84 GE MEDICAL SYSTEMS CT E DUAL DICOM CONFORMANCE STATEMENT DIR 2378622 REV 22 5 5 5 2 Visit Status TABLE 5 5 6 VISIT STATUS MODULE ATTRIBUTES Attribute Name Tag Expected Expected Mapped Attribute Description Matching Restored onto the Key Type Key Type Image
48. 2 1 Acceptable Presentation Contexts for DICOM Server AE and Real World Activity Retrieve Request Presentation Context Table Abstract Syntax Transfer Syntax Extended Negotiation StudyRoot 1 2 840 10008 5 1 4 1 2 2 2 Implicit VR Little 1 2 840 10008 1 2 SCU None Query Retrieve Endian MOVE 2 3 1 2 3 2 1 SOP Specific Conformance Statement for C MOVE SCU When the operator starts a Get operation at any level Study Series Image the DICOM Server AE will initiate a C MOVE RQ request to the Remote AE with the DICOM Server AE as the Destination AE The Storage SCP will handle the incoming images as described in section 2 3 1 3 1 Each C MOVE SCU operation supports an Association Timer Operation Inactivity Timer and Session Timer with time out values of 300 seconds 300 seconds and 60 minutes respectively These time outs are configurable in dcs cfg as bi_assoc_tio bi_store_tio and bi_session_tio respectively The DICOM Server AE will send a C CANCEL MOVE RQ to the Remote AE if the operator Pauses or Clears the job from the local database manager Network queue 2 3 1 2 4 Ping DICOM host 2 3 1 2 4 1 Associated Real World Activity Ping DICOM host Option consists of an operator selecting Ping DICOM host from the Network pull down menu This will cause the DICOM Server AE to initiate a DICOM Verification Request to the remote AE to verify the remote system activeness 2 3 1 2 5 Archi
49. 22 REV 1 0 2 2 3 Sequencing of Real World Activities Real World Activity Query Remote must be performed before Choose Get Option can be performed 2 3 AE SPECIFICATIONS 2 3 1 DICOM Server AE Specification This Application Entity provides Standard Conformance to the following DICOM SOP Classes as an SCU SOP Class Name SOP Class UID Verification SOP Class 1 2 840 10008 1 1 CT Image Storage 1 2 840 10008 5 1 4 1 1 2 MR Image Storage 1 2 840 10008 5 1 4 1 1 4 Secondary Capture Image Storage 1 2 840 10008 5 1 4 1 1 7 Study Root Query Retrieve Information Model FIND Study Root Query Retrieve Information Model MOVE 1 2 840 10008 5 1 4 1 2 2 2 Storage Commitment Push Model 1 2 840 10008 1 20 1 This Application Entity provides Standard Conformance to the following DICOM SOP Classes as a SCP SOP Class Name SOP Class UID Verification SOP Class 1 2 840 10008 1 1 CT Image Storage 1 2 840 10008 5 1 4 1 1 2 MR Image Storage 1 2 840 10008 5 1 4 1 1 4 Secondary Capture Image Storage 1 2 840 10008 5 1 4 1 1 7 Study Root Query Retrieve Information Model FIND 1 2 840 10008 5 1 4 1 2 2 1 Study Root Query Retrieve Information Model MOVE 1 2 840 10008 5 1 4 1 2 2 2 Worklist Server Application Entity provides Standard Conformance to the following DICOM SOP Classes as an SCU SOP Class Name SOP Class UID Modality Worklist Information Model FIND 1 2 840 10008 5 1 4 31 PPS Server Application Entity provides Standard Conformance t
50. 40 10008 5 1 4 1 1 2 Implicit VR Little 1 2 840 10008 1 2 SCP Endian CT Image Storage 1 2 840 10008 5 1 4 1 1 2 Implicit VR 1 2 840 113619 5 2 Endian GE Private CT Image Storage 1 2 840 10008 5 1 4 1 1 2 Explicit VR Little 1 2 840 10008 1 2 1 Endian CT Image Storage 1 2 840 10008 5 1 4 1 1 2 Explicit 1 2 840 10008 1 2 2 Endian MR Image Storage 1 2 840 10008 5 1 4 1 1 4 Implicit VR Little 1 2 840 10008 1 2 Endian MR Image Storage 1 2 840 10008 5 1 4 1 1 4 Implicit WVR Big 1 2 840 113619 5 2 Endian GE Private MR Image Storage 1 2 840 10008 5 1 4 1 1 4 Explicit VR Little 1 2 840 10008 1 2 1 Endian MR Image Storage 1 2 840 10008 5 1 4 1 1 4 Explicit 1 2 840 10008 1 2 2 Endian Secondary Capture 1 2 840 10008 5 1 4 1 1 7 Implicit VR Little 1 2 840 10008 1 2 Endian Secondary Capture 1 2 840 10008 5 1 4 1 1 7 Implicit VR 1 2 840 113619 5 2 Endian GE Private Secondary Capture 1 2 840 10008 5 1 4 1 1 7 Explicit VR Little 1 2 840 10008 1 2 1 Endian Secondary Capture 1 2 840 10008 5 1 4 1 1 7 Explicit VR Big 1 2 840 10008 1 2 2 Endian Note The SCP does not have a default acceptance policy if more than one acceptable transfer syntaxes are proposed by the SCU It is the responsibility of the SCU to make a selection from more than one transfer syntaxes accepted If multiple transfer syntaxes are proposed in the same presentation context the SCP will accept the first supported transfer syntax 2 3
51. Acquisition Matrix 0018 1310 3 Temporal Resolution 0020 0110 3 C 2 SC SPECIFIC IOD DEFINITION C 2 1 SC Image IOD Modules Patient 4 5 1 1 Series 4 5 3 1 Equipment 4 5 5 1 Image Pixel 4 5 6 3 Only the type 1 elements are sent SC Image Not sent consists entirely of type 3 elements Modality LUT Only the type 1C elements are sent VOI LUT 4 5 7 1 SOP Common 4 5 8 1 C 2 2 SC IOD Common Module Definitions Attribute Name Attribute Description Modality 0008 0060 Modality of original image CT or MR Do not duplicate 116
52. BUTES Attribute Name Expected Expected Mapped Attribute Description Matching Restored Key Type Patient State 0038 0500 Pregnancy Status 0010 21C0 Displayed on More Info screen Displayed on More Info screen Displayed on More Info screen 5 6 PRIVATE DATA DICTIONARY The ConnectPro implementation does not define any Private Attributes within the Modality Worklist Information Mode Do not duplicate 86 GE MEDICAL SYSTEMS CT E DUAL DICOM CONFORMANCE STATEMENT DIR 2378622 REV 22 6 PRINT CONFORMANCE STATEMENT 6 1 INTRODUCTION This conformance statement specifies the CT e Dual conformance to DICOM for print services The CT e Dual product uses DICOM Print SCU to print images on DICOM Compliant Printers 6 2 IMPLEMENTATION MODEL PRINT SCU The DICOM Print SCU provides the capability to print images to DICOM printers It is a DICOM print management SOP class 6 2 1 Application Data Flow Diagram DICOM print SCU Implementation model DICOM INTERFACE lt 7 e Pd s Film omposer scl DICOM Printer The Film Composer is the User interface and this is the real world activity The user issues the print request using Film Composer Film composer allows printer selection and it composes the pre formatted film file 6 2 2 Functional Definition of AE s DICOM Print SCU Establishes the Association to the requested printer for printing the composed film and sends the image
53. CIFIC AE APPLICATION MODEL The MOD Archive Server AE can initialize Media by acting as an FSC to create a new DICOM File set on a 2 3GB MOD media or a 1 2GB MOD media It initializes the DICOM File set and writes the specified SOP instances onto the MOD The SOP instances written will be limited to instances that match the criteria of one of the Application Profiles that is supported When updating media a pre existing File set will be updated with the selected SOP instances that match one of the supported Application Profiles Do not duplicate 49 GE MEDICAL SYSTEMS CT E DUAL DICOM CONFORMANCE STATEMENT DIR 2378622 REV 1 0 3 2 2 Functional Definition of AE s This Server has only one Application Entity the DICOM MOD Archive Server AE The DICOM MOD Archive Server AE can perform these functions e tcaninitialize create DOS filesystem a piece of media writing a new label and DICOM File set onto the media LABEL e t can update a piece of media by adding new SOP instances to an already existing DICOM File set from local storage SAVE e display a directory listing of the File set on a piece of media QUERY e tcan copy SOP instance from the MOD onto local storage RESTORE 3 2 3 Sequencing Requirements The updating function can only be performed on a piece of media that has already had a DICOM File set created The display function can only be performed on a piece of media that has already has a
54. D12 Handles single 12 or 16 bit aravscale compressed Do not duplicate 54 GE MEDICAL SYSTEMS CT E DUAL DICOM CONFORMANCE STATEMENT DIR 2378622 REV 1 0 grayscale compressed uncompressed images 3 4 2 Clinical Contexts This Application Profile facilitates the interchange of primary CT and MR images as well as processed CT and MR images as Secondary Capture Images Typical interchanges would be between acquisition devices archives and workstations within and between institutions 3 4 2 1 Roles and Service Class Options This Application Profile Class uses the Media Storage Service Class defined in PS3 4 with the Interchange Option The Application Entity shall support one or more roles of the File set Creator File set Reader and File set Updater defined in PS3 10 3 4 2 1 1 File Set Creator File Set Creator shall be able to generate the Basic Directory SOP Class in the DICOMDIR File with all types of Directory Records related to the SOP Classes stored in the File set FSC for the MOD profile has no concept of finalizing the disc at the completion of most recent write session This is a requirement of CD R and does not apply to the MOD profiles 3 4 2 1 2 File Set Reader The role of File Set Reader is used by the Application Entities which receive a transferred File Set Typical entities using this role would include display workstations and archive systems which receive a patient record transferred from another institution
55. DICOM File set created With no SOP instances having been added the directory will be displayed empty The copy function can only be performed with a piece of media that has been updated and has DICOM SOP instances in the File set There are no other sequencing requirements 3 2 4 File Meta Information Options See PS3 10 The File Meta Information for this implementation is File Meta Information Version HERE o o CT e Dual Implementation UID 1 2 840 113619 6 81 Note The same value as Software Version 0018 1020 is set 3 3 AE SPECIFICATIONS 3 3 1 MOD Archive Specification The MOD Archive provides standard conformance to DICOM Interchange Option of the Media Storage Service Class The Application Profiles and roles are listed in Table 3 3 1 1 Table 3 3 1 1 Application Profile Activities and Roles for MOD Update Do not duplicate 50 GE MEDICAL SYSTEMS CT E DUAL DICOM CONFORMANCE STATEMENT DIR 2378622 REV 1 0 Application Profiles Real World Activity SC Option Supported o eme p emm eme qm emm emm m emm _ FSR EET Update MOD Interchange Display Directory Interchange DI Copy To Local Storage Interchange The DICOM MOD Archive Server AE will query the user before initializing media when a File set is found on the media and an initialize operation has been requested Depending on the physical media type being 2 3GB or 1 2GB media the system will apply the correct characteristics as an FSC to meet t
56. Description Performed Procedure Step status 0040 0252 See Note 1 See Note 1 See Note 1 Performed Procedure Type 0040 0255 Not sent as part of Not sent as part of Not sent as part of Description MPPS object MPPS object MPPS object Procedure Code Sequence 0008 1032 Not sent as part of Not sent as part of Not sent as part of MPPS object MPPS object MPPS object Performed Procedure Step 0040 0250 Date when all Date when all The date Complete End Date images got images got PPS or installed installed Discontinue PPS is invoked not the actual end of post processing Performed Procedure Step 0040 0251 Time when all Time when all The time Complete End Time images got images got PPS or installed installed Discontinue PPS is invoked not the actual end of post processing Do not duplicate 104 GE MEDICAL SYSTEMS CT E DUAL DICOM CONFORMANCE STATEMENT DIR 2378622 REV 22 Attribute Name Tag Usage in MPPS Instance Acquisition with Acquisition without Post Processing MWL data MWL data Modality 0008 0060 Value CT is Value CT is Value CT is stored stored in MPPS stored in MPPS in MPPS object object object 0060 Study ID 0020 0010 Same as exam Same as exam Copied from source number number image Performed Action Item 0040 0260 Copied from SPS Not used Not used Code Sequence if selected Performed Series 0040 0340 One item for each One item for each One item for each
57. Each response received is examined to verify that all Type 1 attributes are present with non zero length that all Type 2 attributes are present possibly with zero length and that the data for all attributes is consistent with respect to the attributes value representation VR However any inconsistencies in the response data with respect to the categories described above are not considered errors Upon detecting any such inconsistencies in the response data the Worklist Server AE will correct the inconsistencies to send 0 length data or value 0 and will try to accept the incoming valid data as much as possible Fields considered Type 1 by the Worklist Server include 0010 0010 Patient Name 0010 0020 Patient ID 0008 0060 Modality 0020 000D Study Instance UID 0040 0001 Scheduled Station AE Title 0040 0002 Scheduled Procedure Step Start Date 0040 0003 Scheduled Procedure Step Start Time 0040 0009 Scheduled Procedure Step ID 0040 0100 Scheduled Procedure Step Sequence 0040 1001 Requested Procedure ID Do not duplicate 38 GE MEDICAL SYSTEMS CT E DUAL DICOM CONFORMANCE STATEMENT DIR 2378622 REV 1 0 Start Date must be of the form YYYYMMDD exactly eight numeric characters and Start Time must be of the form HHMMSS exactly six numeric characters Fields considered Type 2 by Worklist Server include 0008 0050 Accession Number 0008 0090 Referring Physician
58. GE MEDICAL SYSTEMS CT E DUAL DICOM CONFORMANCE STATEMENT DIR 2378622 REV 1 0 Technical Publications Direction 2378622 Revision 1 0 CT e Dual 3 x CONFORMANCE STATEMENT for DICOM e ProSpeed E N F II 3 x e HiSpeed CT e Dual 3 x Copyright 2002 2003 By General Electric Co Do not duplicate Do not duplicate 1 GE MEDICAL SYSTEMS CT E DUAL DICOM CONFORMANCE STATEMENT DIR 2378622 REV 1 0 THIS PAGE IS LEFT BLANK INTENTIONALLY LEGAL NOTES TRADEMARKS All products and their name brands are trademarks of their respective holders OMISSIONS amp ERRORS Customers please contact your GE Sales or Service representatives GE personnel please use the GEMS CQA Process to report all omissions errors and defects in this publication Copyrights All Material Copyrighted c 2001 by the General Electric Company All rights reserved Important Precautions WARNINGThis Service Manual is available in English only f a customer s service provider requires a language other than English it is the customer s responsibility to provide translation services Do not attempt to service the equipment unless this service manual has been consulted and is understood Failure to heed this Warning may result in injury to the service provider operator or patient from electric shock mechanical or other hazards AVERTISSEMENTCe Manuel de maintenance n est disponible qu en anglais Si le technicien du client a besoin de ce
59. ID 0020 000D Zero length Study description Bp 0008 1030 Zero length Private Creator Identification E 0009 0010 GEMS IDEN 01 Suite Id P 0009 1002 Zero Length Table 2 3 1 2 2 2 1 2 Requested Series Level Keys Modality EMT 0008 0060 Zero length Series number B 0020 0011 Zero length Series Instance UID 0020 000E Zero length for Series level query Series instance UID of series for which matches requested at a lower level Series description ER 0008 103E Zero length Manufacturer ie al 0008 0070 Zero length Images in series NE 0020 1002 Zero length Do not duplicate 24 GE MEDICAL SYSTEMS DIR 2378622 REV 1 0 Description Instance Number SOP Instance UID Image type Columns Image position Image orientation Slice thickness Slice spacing Gantry tilt Convolution kernel Reconstruction diameter Data collection diameter Flip angle Echo number Echo time Inversion time Repetition time Private Creator Identification Dfov Rect Midscan Time Azimuth Number of Echo Private Creator Identification Do not duplicate CT E DUAL DICOM CONFORMANCE STATEMENT Table 2 3 1 2 2 2 1 3 Requested Image Level Keys P pe pee _ pj pee 0028 0010 Zero length 7 s je 0018 0050 Zero length p pee um 7 s jew ewe 7 p Tw perm s ee me 01 s qwe eme 7 v jme pem 7 s me as p er p quem em 7 P eem mex _ r pee pem 7 r je mw 3 rime ee E je jew e
60. Initial Study Level request will ask for all studies in the Remote database The user can constraints their query by inputting the Patient Name Patient ID Exam Number Accession Number or Exam Date before requesting the query The C FIND SCU will not perform any extended negotiation and so will only perform hierarchical query Each C FIND SCU operation supports an Association Timer Operation Inactivity Timer and Session Timer with time out values of 300 seconds 300 seconds and 60 minutes respectively These values are configurable in dcs cfg Configuration should be made by GEMS Field Service engineers If a Cancel or Refused status is returned from the Remote AE the association is closed and the operation terminated The DICOM Server AE will parse each matching C FIND RSP reply and ignore the entries that do not contain a valid DICOM data stream No VR validation is performed which means those syntax errors will be ignored Tables 2 3 1 2 2 2 1 1 2 3 1 2 2 2 1 3 shows the various fields that are requested at the Study Series and Image levels of the C FIND request Do not duplicate 23 GE MEDICAL SYSTEMS CT E DUAL DICOM CONFORMANCE STATEMENT DIR 2378622 REV 1 0 Table 2 3 1 2 2 2 1 1 Requested Study Level Keys Description Tag Study id 0020 0010 Zero length for Study level query Study Instance UID of study for which matches are requested at a lower level Study Instance U
61. L DEFINITION 5 1 introduction 5 2 MODALITY WORKLIST INFORMATION MODEL DESCRIPTION 5 3 MODALITY WORKLIST INFORMATION MODEL ENTITY RELATIONSHIP MODEL 5 3 1 ENTITY DESCRIPTIONS Do not duplicate 6 49 49 50 50 50 54 54 55 55 58 58 59 59 60 60 60 60 61 61 62 63 63 65 65 67 68 71 72 72 75 76 76 76 76 TT GE MEDICAL SYSTEMS CT E DUAL DICOM CONFORMANCE STATEMENT DIR 2378622 REV 1 0 5 3 2 ConnectPro Mapping of DICOM Entities 5 4 INFORMATION MODEL MODULE TABLE 5 5 INFORMATION MODEL KEYS 5 5 Supported Matching 5 5 2 Scheduled Procedure Step Entity 5 5 3 Requested Procedure Entity 5 5 4 Imaging Service Request Entity 5 5 5 Visit Entity 5 5 6 Patient Entity 5 6 PRIVATE DATA DICTIONARY 6 PRINT CONFORMANCE STATEMENT 6 1 Introduction 6 2 IMPLEMENTATION MODEL PRINT SCU 6 2 1 Application Data Flow Diagram 6 2 2 Functional Definition of AE s 6 2 3 Sequencing of Real World Activities 6 3 AE SPECIFICATIONS 6 3 1 DICOM Print SCU AE Specification 6 4 COMMUNICATION PROFILES 6 4 1 Supported Communication Stacks parts 8 9 6 5 Standard Extended Specialized Private SOPs 6 6 Configuration 6 6 1 AE Title Presentation Address Mapping 6 6 2 Configurable Parameters 6 7 Support of Extended Character Set 7 DICOM STORAGE COMMITMENT SCU CONFORMANCE 7 1 Introduction 7 2 Implementation Model 7 2 1 Application data flow diagram 7 2 2 Functional definitions 7 2 3 Sequencing of real wor
62. M standard That is attributes that are not explicitly referenced by name in the table are not supported Example is last row in the table reads All other attributes from Radiation Dose Module and Billing and Material Code Module The attributes referenced here are not supported For the MPPS associated with an acquisition the following attributes are copied from the Modality Work list SCU into the MPPS request Message if procedure performed corresponds to the SPS information retrieved through the Modality Work list This product supports the selection of single or multiple SPS for a scan The following are applicable e Single SPS selection results in single PPS message e Multiple SPS selection results in single PPS message e Multiple SPS selection is allowed only if they all correspond to same patient id Amaximum of 5 SPS s can be selected Referenced Study Sequence a maximum of five Item s is supported This attribute will be present only if SPS information is available from Modality Work list SCU At the end of acquisition the user might choose to Defer PPS and later choose to Complete PPS or Discontinue PPS from the user interface provided in the system In this case the date and time when user chooses to Complete PPS or Discontinue PPS is taken as the Performed Procedure Step End Date and Performed Procedure Step End Time respectively Not the actual end date and end time of acquisition
63. N MODEL E R DIAGRAM Scheduled Workhst Procedure Step Item 1 Requested Procedure Imaging Service Request 5 3 1 ENTITY DESCRIPTIONS Please refer to DICOM Standard PS 3 3 Information Object Definitions and PS 3 4 Service Class Specifications for a description of each of the Entities contained within the Modality Worklist Information Model 5 3 1 1 Scheduled Procedure Step A Scheduled Procedure Step is an arbitrarily defined scheduled unit of service that is specified by the Procedure Plan for a Requested Procedure It specifies one or more Action Items events involving equipment i e imaging modality equipment human resources location and time i e start time stop time duration 5 3 1 2 Requested Procedure Entity Description A Requested Procedure is an instance of a Procedure of a given Procedure Type An instance of a Requested Procedure includes all of the items of information that are specified by an instance of a Procedure Plan that is selected for the Requested Procedure by the imaging service provider Do not duplicate 77 GE MEDICAL SYSTEMS CT E DUAL DICOM CONFORMANCE STATEMENT DIR 2378622 REV 22 5 3 1 3 Imaging Service Request Entity Description An Imaging Service Request is a set of one or more Requested Procedures selected from a list of Procedure Types An Imaging Service Request is submitted by one authorized imaging service requester to one authorized imaging service provider in the context of one Ser
64. Name 0008 1110 Referenced Study Sequence 0008 1120 Referenced Patient Sequence 0010 0030 Patient Date of Birth 0010 0040 Patient Sex 0010 1030 Patient Weight in kg 0010 2000 Medical Alerts 0010 2110 Contrast Allergies 0010 21C0 Pregnancy Status 0032 1032 Requesting Physician 0032 1070 Requested Contrast Agent 0038 0010 Admission ID 0038 0050 Special Needs 0038 0300 Current Patient Location 0038 0500 Patient State 0040 0006 Scheduled Physician s Name 0040 0010 Scheduled Station Name 0040 0011 Scheduled Procedure Step Location 0040 0012 Pre order Medication 0040 1003 Requested Procedure Priority 0040 1004 Patient Transport Arrangements 0040 3001 Confidentiality Constraint Do not duplicate 39 GE MEDICAL SYSTEMS CT E DUAL DICOM CONFORMANCE STATEMENT DIR 2378622 REV 1 0 2 3 3 PPS Server AE 2 3 3 1 Performed Procedure Step 2 3 3 1 1 Associated Real World Activity The real world activities are mentioned in section 2 2 3 Sequencing of Real World Activities Each of the real world activity results in either creating a new Performed procedure Step SOP instance at the remote SCP or updating an already created Performed Procedure Step SOP instance as per the DICOM standard 2 3 3 1 2 N CREATE amp NSET REQUEST MESSAGE PPS Feature for this product supports all named attributes listed in Table F 7 2 1 in PS3 4 of DICO
65. OMMUNICATION PROFILES 6 4 1 Supported Communication Stacks parts 8 9 DICOM Upper Layer Part 8 is supported using TCP IP 6 4 1 1 TCP IP Stack The TCP IP stack is inherited from the UNIX Operating System 6 4 1 1 1 API Not Applicable 6 4 1 1 2 Physical Media Support Ethernet v2 0 IEEE 802 3 6 5 STANDARD EXTENDED SPECIALIZED PRIVATE SOPS None 6 6 CONFIGURATION 6 6 1 AE Title Presentation Address Mapping The Local AE Title may default to the hostname DCP where hostname is the unique hostname within the network It is changeable The CT e Dual system allows the user to add Remove or Update the mapping of remote DICOM Printer AE Titles to IP Addresses and Ports These options can be selected from the Service Desktop camera installation utility Do not duplicate 94 GE MEDICAL SYSTEMS CT E DUAL DICOM CONFORMANCE STATEMENT DIR 2378622 REV 22 6 6 2 Configurable Parameters The following fields are configurable for the DICOM Print SCU AE Note All configurations should be performed by a GE Field Service Engineer e Local IP Address e Local IP Netmask e Max PDU length e following DICOM print parameters are configurable The valid ranges are shown in earlier sections of this conformance statement e Medium Type 2000 0030 e Film Destination 2000 0040 e Magnification Type 2010 0060 e Min Density 2010 0120 e Max Density 2010 0130 e Empty Image Density 2010 0110 e Bord
66. Sequence series created series created series created with post processing gt Performing Physician s 0008 1050 Copied from SPS User input on the Not sent as part of Name if selected scanner MPPS object gt Protocol Name 0018 1030 The name ofthe The name of the Copied from source protocol selected protocol selected image on the scanner on the scanner gt Operator s Name 0008 1070 Copied from SPS User input on the Not sent as part of if selected scanner MPPS object gt Series Instance UID 0020 000E Created at the Created at the Created at the scanner scanner scanner gt Series Description 0008 103E User input on User input on the Unique name scanner scanner generated by post processing gt Retrieve AE Title 0008 0054 Local system AE Local system AE AE Title of the Title Title system gt Referenced Image 0008 1140 One item for each One item for each One item for each Sequence image created image created image generated by within the series within the series post processing gt Referenced Standalone 0040 0220 Not sent as part of Not sent as part of Not sent as part of SOP Instance Sequence MPPS object MPPS object MPPS object gt All other attributes from Not sent as part of Not sent as part of Not sent as part of Performed Series MPPS object MPPS object MPPS object Sequence All other attributes from Not sent as part of Not sent as part of Not sent as part of Radiation Dose Module MPPS objec
67. T E DUAL DICOM CONFORMANCE STATEMENT DIR 2378622 REV 22 B 1 3 1 Patient Keys Specific Character Set 0008 0005 ISO_IR 100 B 1 3 2 Study Keys me fm we mew _ mew p peer mem em Study Instance UID 0020 000D B 1 3 3 Series Keys po fe pe 10 fea _ emp __ pese f peweme mmm o pee pem 0 es Do not duplicate 111 GE MEDICAL SYSTEMS CT E DUAL DICOM CONFORMANCE STATEMENT DIR 2378622 REV 22 B 1 3 4 Image Keys Attribute Name Tag Type Notes Specific Character Set 0008 0005 SOP Instance UID 0008 0018 Redundant to 0004 1511 Referenced Image Sequence 0008 1140 Sequence Variant 0018 0021 Slice Thickness 0018 0050 1 Repetition Time 0018 0080 Echo Time 0018 0081 BI Inversion Time 0018 0082 Number of Averages 0018 0083 Echo Number 0018 0086 Spacing Between Slices 0018 0088 Data Collection Diameter 0018 0090 Contrast Bolus Route 0018 1040 a Trigger Time 0018 1060 Bn 4 Reconstruction Diameter 0018 1100 Gantry Detector Tilt 0018 1120 BED x Convolution Kernel 0018 1210 BONO f Flip Angle 0018 1314 ELE Image Number 0020 0013 MEME Image Position Patient 0020 0032 Image Orientation Patient 0020 0037 HERE o Frame of Reference UID 0020 0052 Slice Location 0020 1041 3 S value
68. U application This product uses DICOM Storage Commitment Push Model to store the images using remote DICOM entity which is Storage Commitment SCP Section 8 Performed Procedure Step SCU which specifies the GEMS equipment compliance to the DICOM requirements for the implementation of Performed Procedure Step PPS SCU features Appendix A which specifies the private data element definition for CT IOD Appendix B which specifies the DICOMDIR directory information Appendix C which specifies the data element definition for MR SC IOD Do not duplicate 9 GE MEDICAL SYSTEMS CT E DUAL DICOM CONFORMANCE STATEMENT DIR 2378622 REV 1 0 1 2 OVERALL DICOM CONFORMANCE STATEMENT DOCUMENT STRUCTURE The Documentation Structure of the GEMS Conformance Statements and their relationship with the DICOM Conformance Statements is shown in the Illustration below ID Net v3 0 Introduction to the Integrated DICOM Network ID Net v3 0 Conformance Statement Direction 2118780 APPLICATION ENTITY SERVICE CLASSES INFORMATION OBJECTS MESSAGE EXCHANGES ETC CT e Dual Product Conformance Statement Implementation Direction Conformance Statement Direction 2378622 DICOM Standard pice Specification Part 1 e DICOM e Part 16 This document specifies the DICOM implementation It is entitled CT e Dual 3 x Conformance Statement for DICOM Direction 2378622 This document also covers al
69. a Modality Worklist Query will be performed The contents of this section are 5 2 Information Model Description 5 3 Information Model Entity Relationship Model 5 4 Information Model Module Table 5 5 Information Model Keys 5 2 MODALITY WORKLIST INFORMATION MODEL DESCRIPTION In order to serve as a Service Class Provider SCP of the Modality Worklist Service Class a DICOM Application Entity AE possesses information about the attributes of a number of managed worklist items These items are organized into Modality Worklist Information Modules In this Service Class the Information Model plays a role similar to an Information Object Definition of most other DICOM Service Classes 5 3 MODALITY WORKLIST INFORMATION MODEL ENTITY RELATIONSHIP MODEL The Entity Relationship diagram for the Modality Worklist Information Model schema is shown in Illustration 5 3 1 It represents the information that composes a Worklist Item In this figure the following diagrammatic convention is established to represent the information organization e each entity is represented by a rectangular box e each relationship is represented by a diamond shaped box e the fact that a relationship exists between two entities is depicted by lines connecting the corresponding entity boxes to the relationship boxes Do not duplicate 76 GE MEDICAL SYSTEMS CT E DUAL DICOM CONFORMANCE STATEMENT DIR 2378622 REV 22 ILLUSTRATION 5 3 1 MODALITY WORKLIST INFORMATIO
70. acters Study Description 0008 1030 3 Institution generated description or classification of the Study performed Truncated to 22 characters Name of Physician s Reading 0008 1060 Physician s reading the Study Study Truncated to 26 characters Referenced Study Sequence 0008 1110 3 A sequence which provides reference to a Study SOP Class Instance pair gt Referenced SOP Class UID 0008 1150 1C Uniquely identifies the referenced SOP class gt Referenced SOP Instance UID 0008 1155 Uniquely identifies the referenced SOP instance 4 5 2 2 Patient Study Module This section defines Attributes that provide information about the Patient at the time the Study was performed TABLE 4 5 2 2 PATIENT STUDY MODULE ATTRIBUTES Attribute Name Attribute Description e Patient s Age 0010 1010 Age of the patient Limited to 150 Patient s Weight 0010 1030 Weight of the patient Limited to 204kg Additional Patient s History 0010 21B0 Additional information about the Patient s medical history Truncated to 60 characters Do not duplicate 64 GE MEDICAL SYSTEMS CT E DUAL DICOM CONFORMANCE STATEMENT DIR 2378622 REV 1 0 4 5 3 Common Series Entity Modules The following Series IE Modules are common to all Composite Image IODs which reference the Series IE 4 5 3 1 General Series Module This section specifies the Attributes which identify and describe general information about the Series within a Study
71. al that is a CT modality product This DICOM Conformance Statement is divided into Sections as described below Section 1 Introduction which describes the overall structure intent and references for this Conformance Statement Section 2 Network Conformance Statement which specifies the GEMS equipment compliance to the DICOM requirements for the implementation of Networking features Section 3 Media Storage Conformance Statement which specifies the GEMS equipment compliance to the DICOM requirements for the implementation of Media Storage features Section 4 CT Information Object Definition define the technical specifications required to interoperate with a GE Medical Systems GEMS ID Net v3 0 network interface They define the technical details of the Information Object Definitions IOD s listed in the Conformance statement Section 5 Modality Worklist Information Model Definition which specifies the GEMS equipment compliance to the DICOM requirements for the implementation of Basic Worklist Management Service Section 6 Print SCU Conformance Statement which specifies the GEMS equipment compliance to the DICOM requirements for the implementation of DICOM Print SCU application This product uses DICOM Print SCU to print the images to DICOM Compliant Printers Section 7 DICOM Storage Commitment SCU which specifies the GEMS equipment compliance to the DICOM requirements for the implementation of DICOM Storage Commitment SC
72. amiliar with the DICOM Standards and with the terminology and concepts which are used in those Standards If readers are unfamiliar with DICOM terminology they should first refer to the document listed below then read the DICOM Standard itself prior to reading this DICOM Conformance Statement document Introduction to the Integrated DICOM Network ID Net v3 0 Conformance Statement Direction 2118780 1 4 SCOPE AND FIELD OF APPLICATION It is the intent of this document in conjunction with the ntroduction to the Integrated DICOM Network ID Net v3 0 Conformance Statement Direction 2118780 to provide an unambiguous specification for GEMS implementations This specification called a Conformance Statement includes a DICOM Conformance Statement and is necessary to ensure proper processing and interpretation of GEMS medical data exchanged using DICOM The GEMS Conformance Statements are available to the public The reader of this DICOM Conformance Statement should be aware that different GEMS devices are capable of using different Information Object Definitions For example a GEMS CT Scanner may send images using the CT Information Object MR Information Object Secondary Capture Object etc Included in this DICOM Conformance Statement are the Module Definitions which define all data elements used by this GEMS implementation If the user encounters unspecified private data elements while parsing a GEMS Data Set the user is well advised to
73. applies to all Application Profiles listed in Table 3 3 1 1 3 3 1 2 2 Real World Activity Display Directory The DICOM MOD Archive Server AE acts as an FSR using the Interchange option when requested to provide a directory listing When an MOD update Application is requested to provide a directory listing it will read the File set and display the DICOMDIR directory entries for those SOP instances in the File set that correspond to the user selected Application Profile It may filter for unsupported SOP Classes or modalities 3 3 1 2 2 1 Application Profiles for the RWA MOD Directory listing The MOD Directory Listing Real World Activity applies to all Application Profiles listed in Table 3 3 1 1 There are no extensions or specializations 3 3 1 2 2 2 Options None applicable 3 3 1 2 3 Real World Activity Copy to Local Storage The DICOM MOD Archive Server AE acts as an FSR when copying from the MOD to local storage The DICOM MOD Archive Server AE will copy any SOP Instance selected from an MOD Directory list from the MOD to the local storage upon request The MOD Directory listing Real World Application will filter out the SOP Instances that do not match the Application Profile 3 3 1 2 3 1 Application Profiles for the RWA Copy to Local Storage For the list of Application Profiles that invoke this AE for the MOD Copy to Local Storage RWA see Table 3 3 1 1 3 3 1 2 3 2 Options Following are the SOP Class Photometric Inter
74. ator of this system to change the table height or change the landmark position while scanning a series of images Therefore implementations must use the Frame of Reference UID 0020 0052 in conjuction with Image Posision to determine if two images are spatially related 4 5 6 3 Image Pixel Module This section specifies the Attributes that describe the pixel data of the image TABLE 4 5 6 3 IMAGE PIXEL MODULE ATTRIBUTES Attribute Name Tag Attribute Description Samples per Pixel 0028 0002 1 is sent in this implementation Photometric Interpretation 0028 0004 MONOCHROME2 Do not duplicate 70 GE MEDICAL SYSTEMS CT E DUAL DICOM CONFORMANCE STATEMENT DIR 2378622 REV 22 00280107 Pixel Representation 0028 0103 0001H 2 s complement Pixel Data 7FE0 0010 1 A data stream of the pixel samples which omprise the Image 4 5 6 4 Contrast Bolus Module This section specifies the Attributes that describe the contrast bolus used in the acquisition of the Image TABLE 4 5 6 4 CONTRAST BOLUS MODULE ATTRIBUTES Attribute Name Type Attribute Description Tag Contrast Bolus Agent 0018 0010 2 Contrast or bolus agent Sent as XX XX amp YY YY form XX XX is agent name for oral contrast and truncated to 16 characters YY YY is agent name for IV contrast and truncated to 16 characters Not sent if 0018 1040 is not specified Contrast Bolus Route 0018 1040 Administration route of contrast agent Sent a
75. d operational should not be overlooked Therefore the user should ensure that any non GE provider accepts full responsibility for all validation required for their connection with GE devices This includes the accuracy of the image data once it has crossed the interface between the GE imaging equipment and the non GE device and the stability of the image data for the intended applications Such a validation is required before any clinical use diagnosis and or treatment is performed It applies when images acquired on GE imaging equipment are processed displayed on a non GE device as well as when images acquired on non GE equipment is processed displayed on a GE console or workstation Future Evolution GE understands that the DICOM Standard will evolve to meet the user s growing requirements GE is actively involved in the development of the DICOM Standard DICOM will incorporate new features and technologies and GE may follow the evolution of the Standard The GEMS protocol is based on DICOM as specified in each DICOM Conformance Statement Evolution of the Standard may require changes to devices which have implemented DICOM In addition GE reserves the right to discontinue or make changes to the support of communications features on its products reflected on by these DICOM Conformance Statements The user should ensure that any non GE provider which connects with GE devices also plans for the future evolution of the DICOM Standard Failure to
76. e Scanner AE These parameters define where worklist queries will be directed Configuration of these parameters is performed by GEMS Field Service engineers using the ConnectPro installation facilities PPS allows for the configuration of the following parameters which pertain to the remote AE Remote AE HIS RIS IP Address IP Address used to contact the remote PPS server AE Remote AE HIS RIS IP Port IP Port used to contact the remote PPS server AE Remote AE HIS RIS Title Title name of the remote PPS server AE Scanner AE HIS RIS Title Title name of the Scanner AE These parameters define where the MPPS requests will be directed Configuration of these parameters is performed by GEMS Field Service engineers using the installation facilities 2 6 2 Configurable Parameters The following fields are configurable for the DICOM Server AE e Local AE Title default to the machine hostname but changeable e Local IP Address e Local IP Netmask e Max PDU length e Time outs which are set for all hosts are configurable in dcs cfg note denotes any SOP class time in sec Association time out bi_assoc_tio Do not duplicate 46 GE MEDICAL SYSTEMS CT E DUAL DICOM CONFORMANCE STATEMENT DIR 2378622 REV 1 0 Inactivity time out bi_store_tio Session timeout bi_session_tio Move operation time out bi_move_tio Find time out bi_find_tio Note All configurations should be performed by a GE Field Service Engineer N
77. e defined Abstract Syntax Name ooo GE Private DICOM CT Image Information Object ID Net 1 2 840 113619 4 3 v2 0 compatible GE Private DICOM Display Information Object ID Net 1 2 840 113619 4 4 v2 0 compatible Do not duplicate 43 GE MEDICAL SYSTEMS CT E DUAL DICOM CONFORMANCE STATEMENT DIR 2378622 REV 1 0 Note See the ID Net v2 0 Implementation Profiles Direction 46 269546G2 for definitions of Information Objects 2 5 2 Private Transfer Syntaxes Implicit VR Big Endian 1 2 840 113619 5 2 This private transfer syntax is identical to the DICOM Implicit VR Little Endian syntax except for the encapsulation of the pixel data Pixel data element 7FEO 0010 is encoded in Big Endian format for this private transfer syntax All other elements are encoded in Little Endian format as dictated by the DICOM standard The following table shows the presentation contexts that are proposed for GE private SOP classes Do not duplicate 44 GE MEDICAL SYSTEMS DIR 2378622 REV 1 0 CT E DUAL DICOM CONFORMANCE STATEMENT Presentation Context Table For GE Private SOP Classes Accepted Proposed Abstract Syntax Transfer Syntax Extended Negotiation GE Private DICOM CT Image Information Object ID Net v2 0 compatible GE Private DICOM CT Image Information Object ID Net v2 0 compatible GE Private DICOM Display Information Object ID Net v2 0 compatible GE Private DICOM Display Information Object
78. ee PS3 4 SOP Classes and corresponding Transfer Syntaxes supported by the STD CTMR MOD23 Application Profiles is also specified in the Table 3 4 3 2 3 1 3 4 3 2 2 Physical Media and Media Formats The CT MR Application Profiles in the STD CTMR MOD23 require the 130mm 2 3GB 512 Byte per Sector Magneto Optical Rewriteable physical media with the PC File System as defined in PS3 12 3 4 3 2 3 Logical Format The STD CTMR MOD23 Application profile media format conforms to the Logical Format specification in PS3 12 3 4 3 2 4 Directory Information in DICOMDIR Conformant Application Entities shall include in the DICOMDIR File a Basic Directory IOD containing Directory Records at the Patient and subsidiary levels appropriate to the SOP Classes in the File set All DICOM files in the File set incorporating SOP Instances defined for the specific Application Profile shall be referenced by the Directory Records All DICOM SOP Instance files in the File set are stored in the MSDOS filesystem subdirectory GEMS and are referenced from the DICOMDIR directory records Do not duplicate 57 GE MEDICAL SYSTEMS CT E DUAL DICOM CONFORMANCE STATEMENT DIR 2378622 REV 1 0 Refer to Appendix B for a complete listing of all the optional modules and optional attributes used in the DICOMDIR definition Please note that the mandatory attributes in each of the directory records as mentioned in Part 3 Addendum Basic Directory Information Object Definition are no
79. er Density 2010 0100 e Configuration Information 2010 0150 e Smoothing Type 2010 0080 e Thefollowing network timers are supported and are configurable When these timers expire the association is terminated The default values are e Association Time out 600 seconds e Session Time out 3000 seconds total time for open association e N SET Time out 300 seconds e N ACTION Time out 300 seconds e Time out 300 seconds e N DELETE Time out 300 seconds e N GET Time out 100 seconds e Time outs which are set for all hosts are configurable in dprint cfg Association time out bj assoc tio Do not duplicate 95 GE MEDICAL SYSTEMS CT E DUAL DICOM CONFORMANCE STATEMENT DIR 2378622 REV 22 Session timeout bj session tio Create timeout bij ncreate tio Note All configurations are performed by a GE Field Service Engineer 6 7 SUPPORT OF EXTENDED CHARACTER SET The Print SCU does not support any Extended Character Set Do not duplicate 96 GE MEDICAL SYSTEMS CT E DUAL DICOM CONFORMANCE STATEMENT DIR 2378622 REV 22 7T DICOM STORAGE COMMITMENT SCU CONFORMANCE 7 1 INTRODUCTION This section of the DICOM conformance statement specifies the Storage Commitment Push Model SOP class as user the optional attributes and service elements supported 7 2 IMPLEMENTATION MODEL 7 2 1 Application data flow diagram Illustration 7 1 1 shows the data flow diagram of Storage Commitment SCU There is
80. esent only if SPS obtained form HIS RIS is selected for scanning 0010 0010 0010 0020 Patient Name Patient ID aN Study Level Referenced Study Component Sequence gt Ref SOP class uid 0008 1150 Value of MPPS SOP class UID gt Ref SOP Instance uid 0008 1155 Scanner generated unique UID Request Attribute 0040 0275 Will be present only if SPS obtained form HIS RIS is selected Sequence for scanning If multiple SPS s are selected then this will contail multiple items one for each SPS For all other cases this element will not be present gt Requested Procedure ID 0040 1001 Copied from SPS if selected gt Scheduled Procedure 0040 0009 Copied from SPS if selected Step ID gt Scheduled Procedure 0040 0007 Copied from SPS if selected Step Description gt Scheduled Action Item 0040 0008 Copied from SPS if selected Code Sequence Performed Procedure Step 0040 0253 Created at the scanner The string PPS ID examnumber is used Performed Procedure Step 0040 0244 Same as exam start date Start Date Do not duplicate 106 GE MEDICAL SYSTEMS CT E DUAL DICOM CONFORMANCE STATEMENT DIR 2378622 REV 22 Performed Procedure Step ae 0245 Same as exam start time Start Time Performed Procedure Step 0040 0254 Exam description is used Description Do not duplicate 107 GE MEDICAL SYSTEMS CT
81. espond to an echo The Worklist Server AE SCU will initiate only one DICOM associations at a time to perform a modality worklist query of a single remote AE The PPS Server will initiate only one DICOM association at any time to perform a PPS operation to the remote AE Do not duplicate 19 GE MEDICAL SYSTEMS CT E DUAL DICOM CONFORMANCE STATEMENT DIR 2378622 REV 1 0 2 3 1 1 3 Asynchronous Nature Asynchronous mode is not supported All operations will be performed synchronously 2 3 1 1 4 Implementation Identifying Information The Implementation UID Version Name for this DICOM Implementation including PPS is CT e Dual Implementation UID 1 2 840 113619 6 81 Note The same value as Software Version 0018 1020 is set The Implementation UID for ConnectPro Implementation is ConnectPro for CT e Dual Implementation UID 1 2 840 113619 6 50 2 3 1 2 Association Initiation by Real World Activity This AE attempts to initiate a new association due to a Push operation initiated by the user A new association is also initiated when the user performs a Query Remote operation or issues a retrieve operation by performing a Get operation at Study Series Image level 2 3 1 2 1 Push Image s to Remote AE 2 3 1 2 1 1 Associated Real World Activity The operator must first select a destination by choosing Select Remote Host from the Network pull down menu on the local database manager and then choose a hostname
82. g the Interchange option when requested to update an MOD The DICOM MOD Archive Server AE will take the selected list of SOP instances and eliminate any SOP instance that does not correspond to permissible SOP instances listed in the Application Profiles Table 3 3 1 1 The remaining SOP instances are written to the media that is found in the DICOM MOD Archive Server AE disk drive The determination of the potentially applicable Application Profile is dependent on the type of media and CT e Dual Application Software on which the AE has been invoked 3 3 1 2 4 1 Application Profiles for the RWA Update MOD Request For the list of Application Profiles that invoke this AE for the MOD Copy to Local Storage RWA see Table 3 3 1 1 3 3 1 2 4 2 Options Following are the SOP Class Photometric Interpretation and Transfer Syntax combinations created by this AE as an FSC FSU Table 3 3 1 2 4 2 1 IODs and Transfer Syntaxes supported for RWA Create MOD Do not duplicate 53 GE MEDICAL SYSTEMS CT E DUAL DICOM CONFORMANCE STATEMENT DIR 2378622 REV 1 0 SOP SOP Class UID Photometric Transfer Syntax Transfer Syntax Class Interpretation UID Value Basic 1 2 840 10008 1 3 10 Explicit VR Little 1 2 840 10008 1 2 Uncompressed CT Image 1 2 840 10008 5 1 4 1 1 MONOCHROME2 JPEG Lossless 1 2 840 10008 1 2 2 Process 14 4 70 selection value 1 CT Image TON NUNT 4 1 1 MONOCHROME2 Explicit VR Big 1 2 840 10008 1 2 Endian 2 MR Image 2 840
83. ggested that if GE private element 0009 xx01 is present then all GE private elements originally associated with the image be preserved Image Installation of non GE Created CT Images Images received from non GE products are installed as appropriate image object without any of their private data elements Also if some critical fields mandatory are missing then the image will not be installed Do not duplicate 30 GE MEDICAL SYSTEMS CT E DUAL DICOM CONFORMANCE STATEMENT DIR 2378622 REV 1 0 2 3 1 3 2 Verification Request from Remote AE This AE is indefinitely listening for associations No operator action is required to respond to a verification message 2 3 1 3 2 1 Associated Real World Activity The Real World Activity associated with the verification request is to send a CECHO response message with a status of success to the requesting AE 2 3 1 3 2 2 Presentation Context Table Table 2 2 1 3 2 2 1 Acceptable Presentation Contexts for DICOM Server AE and Real World Activity Verification Request Presentation Context Table Abstract Syntax Transfer Syntax Extended Negotiation UID List ln ie Verification 1 2 840 10008 1 1 Implicit VR 1 2 840 10008 1 2 SCP None Little Endian 2 3 1 3 2 2 1 SOP Specific Conformance to C ECHO SCP The DICOM Server AE provides standard conformance to the DICOM Verification Service Class Each ECHO operation supports an Association Timer Operation Inactivity Timer and Sessi
84. he image was derived in Derivation Description 0008 21 11 4 5 6 2 Image Plane Module This section specifies the Attributes which define the transmitted pixel array of a two dimensional image plane TABLE 4 5 6 2 ST PLANE MODULE ATTRIBUTES Attribute Name Attribute Description Pixel Spacing 0028 Em Physical distance in the patient between the center of each pixel specified by a numeric pair adjacent row spacing delimiter adjacent column spacing in mm column with respect to the patient If 0008 0008 value 3 is set as CTINTERVENTION this value is prescribed value and may not be actual value Do not use this element for any calculations Image Orientation Patient 0020 0037 The direction cosines of the first row and the first Do not duplicate 69 GE MEDICAL SYSTEMS CT E DUAL DICOM CONFORMANCE STATEMENT DIR 2378622 REV 22 Image Position Patient 0020 0032 1 The x y and z coordinates of the upper left hand corner first pixel transmitted of the image in mm Note that it is NOT center of the first pixel but upper left hand corner of the first pixel If 0008 0008 value 3 is set as CTINTERVENTION this value is prescribed value and may not be actual value Do not use this element for any calculations Slice Thickness 0018 0050 Nominal slice thickness in mm Slice Location 0020 1041 3 Relative position of exposure expressed in mm If 0008 0008 value 3 is set as CTINTERVENTION t
85. he appropriate Application Profile 3 3 1 1 File Meta Information for the Application Entity Following are the values set in the File Meta Information for this AE Title Source Application Entity Title Not used by the DICOM MOD Archive Server AE Private Information Creator UID Not used by the DICOM MOD Archive Server AE Private Information Not used by the DICOM MOD Archive Server AE 3 3 1 2 Real World Activities 3 3 1 2 1 Real World Activity Create MOD Request The DICOM MOD Archive Server AE acts as an FSC using the Interchange option when requested to initialize LABEL the media The AE will use the appropriate Application Profile depending on the physical media type that is in the optical disk drive be it 2 3GB or 1 2GB media The DICOM MOD Archive Server AE will label the media and take the user provided list of SOP instances eliminating any SOP instances on that list that does not correspond to one of the Application Profiles in Table 3 3 1 1 These SOP instances are written to the media and a corresponding DICOMDIR sequence record is created The determination of the potentially applicable Application Profile is dependent on the type of media and CT e Dual Application Software on which the AE has been invoked Do not duplicate 51 GE MEDICAL SYSTEMS CT E DUAL DICOM CONFORMANCE STATEMENT DIR 2378622 REV 1 0 3 3 1 2 1 1 Application Profiles for the Real World Activity Create MOD The Create MOD Real World Activity
86. his value is prescribed value and may not be actual value Do not use this element for any calculations 4 5 6 2 1 Image Position And Image Orientation The Image Position 0020 0032 specifies the x y and z coordinates of the upper left hand corner of the image it is the first pixel transmitted Image Orientation 0020 0037 specifies the direction cosines of the first row and the first column with respect to the patient These Attributes shall be provide as a pair Row value for the x y and z axes respectively followed by the Column value for the x y and z axes respectively The direction of the axes are defined fully by the patient s orientation The x axis is increasing to the left hand side of the patient The y axis is increasing to the posterior side of the patient The z axis is increasing toward the head of the patient The patient based coordinate system is a right handed system i e the vector cross product of a unit vector along the positive x axis and a unit vector along the positive y axis is equal to a unit vector along the positive z axis However with regard to Image Position reference point of each axis is not fully patient oriented in this system As long as table height is changed and landmark button is not pressed between images it does not cause any practical problem To determine if two images are spatially related implementation must see Frame of Reference UID 0020 0052 CAUTION It is possible for the oper
87. ime outs which are set for all hosts are configurable in dcs cfg note denotes any SOP class time in sec Association time out bj assoc tio Inactivity time out bi store tio Session time out bj session tio Note All configurations should be performed by a GE Field Service Engineer 7 7 SUPPORT OF EXTENDED CHARACTER SETS This does not support any Extended Character set Do not duplicate 101 GE MEDICAL SYSTEMS CT E DUAL DICOM CONFORMANCE STATEMENT DIR 2378622 REV 22 Do not duplicate 102 GE MEDICAL SYSTEMS CT E DUAL DICOM CONFORMANCE STATEMENT DIR 2378622 REV 22 8 ATTRIBUTE MAPPING 8 1 MPPS SOP INSTANCE MAPPING The following table gives specific usage of some of attributes in the MPPS SOP instance created with reference to each of the real world scenarios mentioned in 2 2 3 of this document Attribute Name Tag Usage in MPPS Instance Acquisition with Acquisition without Post Processing MWL data MWL data Specific Character Set 0008 0005 Not used but Not used Not used but copied into MPPS copied into MPPS object object Scheduled Step Attribute 0040 0270 Only one item Only one item gt Study Instance UID 0020 000D Copied from SPS Created at the Copied from source if option to copy is scanner image selected or else created at the scanner gt Referenced Study 0008 1110 Copied from SPS Not sent as part of Not sent as part of Sequence if selected MPPS object MPPS object gt Accession N
88. is not read e Thefilm session is created using the N CREATE service The print session will be terminated if the printer fails to create the film session e film box is created using the N CREATE service The print session will be terminated if the printer fails to create the film box e The images are placed on the film box by using the N SET If the printer fails to place the image on the film box the print session will be terminated e The film will be printed using the N ACTION Only film box printing is supported If the printer fails to print the film the print session will be terminated e After the successful N ACTION the film box will be deleted using the N DELETE Any N EVENT REPORTS given to the PRINT SCU will be received but the data is ignored After the film box is deleted the association will be closed e Upon the successful completion of the above sequencing and the association is closed the user will be notified of the successful print session 6 3 AE SPECIFICATIONS 6 3 1 DICOM Print SCU AE Specification Print SCU provides Standard Conformance to the following DICOM SOP classes as an SCU SOP Class Name SOP Class UID Basic grayscale print management meta SOP class 1 2 840 10008 5 1 1 9 Print Job SOP class 1 2 840 10008 5 1 1 14 6 3 1 1 Association Establishment Policy 6 3 1 1 1 General The Film Composer provides options to indicate the printer AE title and Printer host name These parameters are
89. is sequence is sent with ZERO items in the MPPS message Referenced Standalone SOP Instance Sequence The sequence is sent with ZERO items in the MPPS message 2 3 3 1 3 ERROR HANDLING AND RECOVERY PPS Server AE does not define any extended error codes The standard error codes are handled On a response with status success for the N CREATE or N SET request the system updates the state and indicates the same on the user interface On a response with status other than success the operation is deemed Failed and the system updates the state and indicates the same on the user interface If the request has failed or response is not received before the association timeout the operation is deemed Failed and the system updates the state and indicates the same on the user interface If the operation is Failed detailed message is logged into system log file and system provides an alternative mechanism to retry the failed operation through the user interface to ensure that transient failures do not affect the feature performance 2 3 3 1 4 Proposed Presentation Contexts The following table shows the proposed presentation contexts for the PPS Server AE after any of the real world activity listed in section 2 2 3 Sequencing of Real World Activities is initiated Presentation Context Table Proposed D Syntax Transfer Syntax Extended UID List Negotiation Performed 1 2 840 10008 3 1 2 3 3 Implicit VR Little 1 2 840 10008 1 2 None
90. l ProSpeed II series products listed on the cover page This DICOM Conformance Statement documents the DICOM Conformance Statement and Technical Specification required to interoperate with the GEMS network interface Introductory information which is applicable to all GEMS Conformance Statements is described in the document Introduction to the Integrated DICOM Network ID Net v3 0 Conformance Statement Direction 2118780 Do not duplicate 10 GE MEDICAL SYSTEMS CT E DUAL DICOM CONFORMANCE STATEMENT DIR 2378622 REV 1 0 This Introduction familiarizes the reader with DICOM terminology and general concepts It should be read prior to reading the individual products GEMS Conformance Statements The GEMS Conformance Statement contained in this document also specifies the Lower Layer communications which it supports e g TCP IP However the Technical Specifications are defined in the DICOM Part 8 standard For more information including Network Architecture and basic DICOM concepts please refer to the Introduction For more information regarding DICOM copies of the Standard may be obtained on the Internet at http medical nema org Comments on the standard may be addressed to DICOM Secretariat NEMA 1300 N 17th Street Suite 1847 Rosslyn VA 22209 USA 1 3 INTENDED AUDIENCE The reader of this document is concerned with software design and or system integration issues It is assumed that the reader of this document is f
91. ld activities 7 3 AE Specifications 7 3 1 DICOM Storage Commitment SCU specifications 7 4 COMMUNICATION PROFILES 7 4 1 Supported Communication Stacks parts 8 9 7 4 2 TCP IP Stack 7 4 3 Point to Point Stack Do not duplicate 7 100 100 100 101 GE MEDICAL SYSTEMS CT E DUAL DICOM CONFORMANCE STATEMENT DIR 2378622 REV 1 0 7 5 EXTENSIONS SPECIALIZATIONS PRIVATIZATIONS 7 6 CONFIGURATION 7 6 1 AE Title Presentation Address Mapping 7 6 2 Configurable Parameters 7 7 SUPPORT OF EXTENDED CHARACTER SETS 8 ATTRIBUTE MAPPING 8 1 MPPS SOP INSTANCE MAPPING 8 2 CT DICOM IMAGE HEADER MAPPING APPENDIX A PRIVATE DATA ELEMENTS A 1 CT Image IOD Private Data Elements Definition APPENDIX B DICOMDIR DIRECTORY INFORMATION B 1 DICOMDIR Directory Information B 1 1 Basic Directory IOD Definition B 1 2 Directory Information Module B 1 3 Directory Record Selection Keys APPENDIX C MR SC SPECIFIC IOD DEFINITION C 1 MR Specific IOD Definition C 1 1 MR Image IOD Modules C 1 2 MR Image Module Definitions C 2 SC Specific IOD Definition C 2 1 SC Image IOD Modules C 2 2 SC IOD Common Module Definitions Do not duplicate 8 101 101 101 101 101 103 103 105 108 108 110 110 110 110 110 114 114 114 115 116 116 116 GE MEDICAL SYSTEMS CT E DUAL DICOM CONFORMANCE STATEMENT DIR 2378622 REV 1 0 1 1 1 INTRODUCTION OVERVIEW This document describes DICOM conformance statement of CT e Du
92. ll be sent over a single association A C MOVE RSP with a pending status will be returned to the requester every five images The C MOVE SCP will invoke C STORE requests for the following SOP classes Do not duplicate 35 GE MEDICAL SYSTEMS CT E DUAL DICOM CONFORMANCE STATEMENT DIR 2378622 REV 1 0 SOP Class Name SOP Class UID CT Image Information Storage 1 2 840 10008 5 1 4 1 1 2 MR Image Information Storage 1 2 840 10008 5 1 4 1 1 4 Secondary Capture image storage 1 2 840 10008 5 1 4 1 1 7 In addition to the C MOVE response status values defined in DICOM part 4 the following status values will be returned e C000 Indicates that an error occurred while retrieving records from the local database e C001 Indicates all other processing error e C011 If the Destination AE returns a Storage Full condition this status will be returned This status will only be sent if the Destination AE returns a status of A711 and is only applicable if the Destination AE is a SdC based product 2 3 1 3 4 3 Presentation Context Acceptance Criteria No criterion 2 3 1 3 4 4 Transfer Syntax Selection Policy The SCP does not have a default acceptance policy if more that one acceptable transfer syntaxes are proposed for the same SOP class in separate presentation contexts It is the responsibility of the SCU to make a selection from the list of accepted presentation contexts that apply to any particular SOP class If multiple transfer s
93. lm format and number of copies to print When the user presses the Print Button the Film composer communicates this request to Print SCU which then tries to establish the association with the requested printer and transmits the images for printing 6 3 1 2 1 2 Proposed Presentation Contexts The Proposed Presentation Context Table for the Print SCU is as shown in following Table Presentation Context Table Proposed Abstract Syntax Transfer Syntax Role Extended Name UD NemeList Negotiation Do not duplicate 89 GE MEDICAL SYSTEMS CT E DUAL DICOM CONFORMANCE STATEMENT DIR 2378622 REV 22 Basic Grayscale 1 2 840 10008 5 1 1 9 Implicit VR Little 1 2 840 10008 1 2 Print Management Endian Meta SOP Class Verification SOP 1 2 840 10008 1 1 Implicit VR Little 1 2 840 10008 1 2 Class Endian i 1 SCU Printer SOP Class 1 2 840 10008 5 1 1 16 Implicit VR Little 1 2 840 10008 1 2 SCU Endian Print Job SOP 1 2 840 10008 5 1 1 14 Implicit VR Little 1 2 840 10008 1 2 SCU Class Endian Note Certain Presentation Contexts may be negotiated that are not used during the association See the following sections for the DICOM Print services performed by the CT e Dual 6 3 1 2 2 SOP Specific Conformance Statement The Print SCU supports the following mandatory SOP classes which are defined under the Basic Grayscale Print Management Meta SOP Class The Print SOP Classes supported by Print SCU Basic Film Sessi
94. n request fails the job will be marked as failed otherwise following sequence of actions will take place The SCU waits for the response from provider on the same association for a configurable amount of time If it does not receive the response during this time it will close the association It changes the Job state to Wait indicating the job is waiting for the response from commitment provider The job will be marked as failed if the response is not received by stop job time Stop job time is the maximum duration the job can wait for responses A New transaction uid will be created for each retry by user The old transaction uid is not applicable for these requests The Following DIMSE service Elements are supported for the Storage Commitment request and response processing N ACTION Requests the remote Storage Commitment SCP to commit to storing the image instances N EVENT REPORT The response sent by the remote Storage Commitment SCP The following attributes are sent in the N ACTION request Transaction UID 0008 1195 Referenced SOP 0008 1199 Sequence 2SOP Class UID 0008 1150 2SOP Instance UID 0008 1155 Do not duplicate 99 GE MEDICAL SYSTEMS CT E DUAL DICOM CONFORMANCE STATEMENT DIR 2378622 REV 22 Referenced Study Component sequence attribute is not sent Storage Media File Set ID and Storage Media File Set UID attributes are not supported 7 3 1 4 Response Processing The following attributes are recei
95. nly HBC number 004B xx03 HBC number from acquisition start time starts with 0 for Cardiac Scan only Do not duplicate 109 GE MEDICAL SYSTEMS CT E DUAL DICOM CONFORMANCE STATEMENT DIR 2378622 REV 22 APPENDIX B DICOMDIR DIRECTORY INFORMATION B 1 DICOMDIR DIRECTORY INFORMATION Enclosed here is a listing of only the optional conditional modules and optional attributes used by this implementation in the DICOMDIR definition All standard attributes as defined in Part 3 Addendum Basic Directory Information Object are supported by this implementation but not listed here B 1 1 Basic Directory IOD Definition Directory Information B X 3 2 1 DICOM PS3 10 B 1 2 Directory Information Module Attribute Name Tag Type Notes Offset of the Next Directory Record 0004 1400 7 Offset of Referenced Lower Level 0004 1420 1C Directory Entity Directory Record Type 0004 1430 1C PATIENT STUDY SERIES and IMAGE Referenced File ID 0004 1500 1C Only found in IMAGE Directory Record Referenced SOP Instance UID in File 0004 1511 1C Only found in IMAGE Directory Record Referenced Transfer Syntax UID in File 0004 1512 Only found in IMAGE Directory Record Referenced SOP Class UID in file 0004 1510 Only found in IMAGE Directory Record B 1 3 Directory Record Selection Keys Given below are the list of attributes supported under each of these directories Do not duplicate 110 GE MEDICAL SYSTEMS C
96. o the following DICOM SOP Classes as an SCU SOP Class Name SOP Class UID Do not duplicate 18 GE MEDICAL SYSTEMS CT E DUAL DICOM CONFORMANCE STATEMENT DIR 2378622 REV 1 0 Modality Performed Procedure Step 1 2 840 10008 3 1 2 3 3 2 3 1 1 Association Establishment Policies 2 3 1 1 1 General The DICOM Application Context Name ACN which is always proposed is Application Context Name 1 2 840 10008 3 1 1 1 The Maximum Length PDU negotiation is included in all association establishment requests The maximum length PDU for an association initiated by the DICOM Server AE is Maximum Length PDU 51Kbytes The SOP Class Extended Negotiation is not supported The maximum number of Presentation Context Items that will be proposed is 60 Note that the same Abstract Syntax may be offered multiple times with different Transfer Syntaxes The maximum length PDU from an association initiated by the PPS Server AE is Maximum Length PDU 128 Kbytes The maximum number of presentation negotiation items that will be proposed is 1 The user information Items sent by this product are e Maximum PDU Length Implementation UID 2 3 1 1 2 Number of Associations The DICOM Server AE SCU will initiate only one DICOM association at a time to perform an image store to a remote host or retrieve image s from a Remote AE The DICOM Server AE SCP can have a maximum of four DICOM associations open simultaneously to receive and store image or r
97. odality Work list Conformance statement Use of the information retrieved in MPPS SOP instances is described later in this document 1 The system initiates a Start PPS before starting a scan i e when the image acquisition is started The system retrieves necessary information related to the Scheduled Procedure Step from Modality Work list Server PPS Server AE initiates a MPPS Modality Performed Procedure Step N CREATE request to the remote AE MPPS SCP in order to create a MPPS SOP instance at the remote AE 2 The MPPS SCP returns response indicating the success failure of the request execution The PPS state information is updated in the system based on the response data and is presented to the user The DICOM association is closed 3 System includes the necessary information related to Scheduled Procedure Steps and the Performed procedure Step in the image instances created At the end of image acquisition system initiates a Complete PPS or Discontinue PPS based on the choice selected by the user using the user interface provided The user is also given a choice Defer PPS which is described below PPS Server AE initiates a MPPS N SET request to the remote AE in order to update the MPPS SOP instance that is already created The N SET is sent over a new DICOM association 4 The remote AE returns response indicating the success failure of the request execution The PPS state information is updated in the system based on the res
98. on serving requests from other applications to send the PPS information to the remote AE The PPS Server AE initiates the following functions Start PPS Initiates a DICOM association in order to create a DICOM Modality Performed Procedure Step SOP instance in the remote AE If the remote AE accepts a presentation context applicable to Modality performed Procedure Step the PPS Server AE will issue a request to create the SOP instance in the remote AE via the N CREATE service e Complete PPS Initiates a DICOM association in order to update a DICOM Modality Performed Step instance that is already created with the remote AE If the remote AE accepts a presentation context applicable to Modality performed Procedure Step the PPS Server AE will issue a request to update the SOP instance in the remote AE via the N SET service The PPS Status is set to COMPLETED Do not duplicate 16 GE MEDICAL SYSTEMS CT E DUAL DICOM CONFORMANCE STATEMENT DIR 2378622 REV 1 0 e Discontinue PPS Initiates a DICOM association in order to update a DICOM Modality Performed Step instance that is already created with the remote AE If the remote AE accepts a presentation context applicable to Modality performed Procedure Step the PPS Server AE will issue a request to update the SOP instance in the remote AE via the N SET service The PPS Status is set to DISCONTINUED Do not duplicate 17 GE MEDICAL SYSTEMS CT E DUAL DICOM CONFORMANCE STATEMENT DIR 23786
99. on SOP Class Basic Film Box SOP Class 1 2 840 10008 5 1 1 2 Basic Grayscale Image Box SOP Class 1 2 840 10008 5 1 1 4 Printer SOP Class 1 2 840 10008 5 11 16 The Print SCU does not support any optional SOP Classes 6 3 1 2 2 1 Basic Film Session SOP Class The Print SCU supports the following DIMSE Service Elements for the Basic Film Session SOP Class N CREATE Requests the Print SCP to create an instance of Basic Film Session The following Attribute values are supported by the N CREATE Attribute DICOM Tag Valid Range Default Value Number of Copies 2000 0010 Set by user Print Priority 2000 0020 HIGH MED LOW HIGH Medium Type 2000 0030 Bee Set in Configuration PAPER HS Film Destination 2000 0040 MAGAZINE Set in Configuration PROCESSOR File Do not duplicate 90 GE MEDICAL SYSTEMS CT E DUAL DICOM CONFORMANCE STATEMENT DIR 2378622 REV 22 Note denotes that the attribute is optional for the SCU However we do provide values for all of these optional attributes and if the SCP does not support the requested value it may choose to either return a failure status or ignore the value provided and use its default value If Failure status is returned during N CREATE operation of Film session the following action will be taken by Print SCU 0x213 Resource Limitation message will be sent to user interface other status Failure message will be sent to user interface In all the cases the prin
100. on Timer with a time out values of 900 seconds 30 seconds and 60 minutes respectively 2 3 1 3 3 Query Request from Remote AE This AE is indefinitely listening for associations No operator action is required to respond to a query request 2 3 1 3 3 1 Associated Real World Activity The Real World Activity associated with the query request is to search the local database for entries that match the request and send a C FIND response message with a status of pending for each matching entry 2 3 1 3 3 2 Presentation Context Table Table 2 3 1 3 3 2 1 Acceptable Presentation Contexts for DICOM Server AE and Real World Activity Query Request Presentation Context Table Abstract Syntax Transfer Syntax StudyRoot 1 2 840 10008 5 1 4 1 2 2 1 Implicit VR Little 1 2 840 10008 1 2 Query Retrieve Endian FIND Do not duplicate 31 GE MEDICAL SYSTEMS CT E DUAL DICOM CONFORMANCE STATEMENT DIR 2378622 REV 1 0 2 3 1 3 3 2 1 SOP Specific Conformance to C FIND SCP Each C FIND SCP operation supports an Association Timer Operation Inactivity Timer and Session Timer with time out values of 300 seconds 300 seconds and 60 minutes respectively All Required R and Unique U study series and image level keys for the Study Root Query Retrieve information model are supported Some optional O keys are also supported as described in the following tables Table 2 3 1 3 3 2 1 1 Supported study level keys Study date ms 0008
101. ote The local port on which the CT e Dual system receives DICOM incoming TCP connections is port 4006 The following parameters are configurable for the DICOM Worklist Server AE Local Worklist Server AE Title automatically set to host name of scanner Local IP address Local IP netmask Local IP gateway The following parameters configurable by changing their values the configuration file usr g config WLdcm cfg Note that these parameters typically need not be changed Furthermore no support is provided for retaining changed settings the values will require changing again after a system software upgrade Implementation UID PDU size Association time out period Session time out period C FIND time out period The following are configurable for the PPS Server AE e Local PPS Server AE AE Title The default is host name of the scanner appended with string PPS e Local IP Address e Local IP net mask e Local IP gateway The following parameters are configurable but need change only in case of a system software upgrade e Implementation UID e size e Association time out period e Session time out period Do not duplicate 47 GE MEDICAL SYSTEMS CT E DUAL DICOM CONFORMANCE STATEMENT DIR 2378622 REV 1 0 2 7 SUPPORT OF EXTENDED CHARACTER SETS In addition to the DICOM default character set CT e Dual supports the ISO IR 100 Latin alphabet 1 supplementary set for the purpose of interchange
102. ponse data and is presented to the user 5 Atthe end of image acquisition if the user has chosen Defer PPS the user is provided with an interface to Complete PPS or Discontinue PPS at any later time The user might to alter the image set generated through acquisition before invoking these operations Note that the user explicitly uses the user interface provided to invoke this operation as in the case of PPS generated for post processing which is described in the following section PPS messages N CREATE if applicable and N SET will be sent over the same DICOM association 6 The remote AE returns response indicating the success failure of the request execution The PPS state information is updated in the system based on the response data and is presented to the user PPS from post processing system 1 The user initiates post processing on the images generated through acquisition 2 The system creates a Modality performed Procedure Step instance locally in the system If the source image instances has the Scheduled Procedure Step information it is copied into the image instances created Also the system includes the necessary information related to the Modality Performed Procedure Step into the image instance 3 At the end of one or more post processing the user initiates Complete PPS or Discontinue PPS through the user interface provided PPS Server AE initiates a MPPS Modality Performed Procedure Step N CREATE reques
103. pretation and Transfer Syntax combinations read by this AE as an FSR for copy to local storage Table 3 3 1 2 3 2 1 IODs and Transfer Syntaxes supported for RWA Copy to Local Storage SOP SOP Class UID Photometric Transfer Syntax Transfer Syntax Class Interpretation UID Value 1 2 840 10008 5 1 4 1 1 MONOCHROME2 Explicit VR Little 1 2 840 10008 1 2 2 Endian 1 Do not duplicate 52 GE MEDICAL SYSTEMS CT E DUAL DICOM CONFORMANCE STATEMENT DIR 2378622 REV 1 0 CT Image MONOCHROME2 JPEG Lossless 1 2 840 10008 1 2 Process 14 4 70 selection value 1 CT Image 5 2 840 10008 5 1 4 1 1 MONOCHROME2 Explicit VR Big 2 840 10008 1 2 Endian MR Image 2 840 10008 5 1 4 1 1 MONOCHROME Explicit VR Little 2 840 10008 1 2 Endian MR Image 1 2 840 10008 5 1 4 1 1 MONOCHROME2 JPEG Lossless 1 2 840 10008 1 2 A Process 14 4 70 selection value 1 MR Image 1 2 840 10008 5 1 4 1 1 MONOCHROME2 Explicit VR Big 1 2 840 10008 1 2 4 Endian 2 Secondary 1 2 840 10008 5 1 4 1 1 MONOCHROME2 Explicit VR Little 1 2 840 10008 1 2 Capture ri Endian 1 Image Secondary 1 2 840 10008 5 1 4 1 1 MONOCHROME2 JPEG Lossless 1 2 840 10008 1 2 Capture P d Process 14 4 70 Image selection value 1 Secondary 2 840 10008 5 1 4 1 1 MONOCHROME 2 Explicit VR Big 2 840 10008 1 2 Capture Endian Image 3 3 1 2 4 Real World Activity Update MOD The DICOM MOD Archive Server AE acts as an FSU usin
104. request from a Remote AE by sending the image s to the Destination AE All DICOM functionality provided by the ConnectPro feature is logically provided by the Worklist Server AE The Worklist Server AE is commanded to perform DICOM modality worklist query services through the use of the CT e Dual user interface Do not duplicate 14 GE MEDICAL SYSTEMS CT E DUAL DICOM CONFORMANCE STATEMENT DIR 2378622 REV 1 0 Association Initiation Worklist Server AE Provide Worklist Query Worklist DICOM Standard Interface The DICOM Performed Procedure Step service is provided by the PPS Server AE The PPS Server AE is commanded to perform Performed Procedure Step services either automatically or through the user interface The basic Application models for the feature are shown in the following illustration Image Acquisition PPS Server MPPS SCU Manage PPS Status Post Processing thru User Interface DICOM Standard Interface 2 2 2 Functional Definition of AE s DICOM Server Application Entity initiates the following operations e Ping DICOM Host Verification The DICOM Server initiates an association and sends a C ECHO RQ message to the remote DICOM AE the remote DICOM Server will send back a C ECHO RSP message with a status of success e Push Initiate an association to a Remote AE to send image s If the Remote AE accepts the presentation context applicable to the image s being
105. rst select a destination by choosing Select Remote Host from Network pull down menu on the local database manager and then choose a hostname The Query operation will cause the DICOM Server AE to initiate an association to the selected Remote AE when the Query Remote Host entry is selected from the Network pull down menu Once a list of Study Series Image is retrieved the operator can invoke the Pull operation by choosing Get Exam or Get Series or Get Image from the Network pull down menu 2 3 1 2 2 2 Proposed Presentation Contexts When the Real World activity Query or Pull is initiated all presentation contexts shown in table 2 3 1 2 2 2 1 are proposed during association establishment but only the Query Retrieve FIND related contexts are applicable to this activity Table 2 3 1 2 2 2 1 Acceptable Presentation Contexts for DICOM Server AE and Real World Activity Query Request Presentation Context Table Do not duplicate 22 GE MEDICAL SYSTEMS CT E DUAL DICOM CONFORMANCE STATEMENT DIR 2378622 REV 1 0 Abstract Syntax Transfer Syntax Extended Negotiation StudyRoot 1 2 840 10008 5 1 4 1 2 2 1 Implicit VR Little 1 2 840 10008 1 2 SCU None Query Retrieve Endian FIND 2 3 1 2 2 2 1 SOP Specific Conformance Statement for C FIND SCU After the Query operation is initiated the DICOM Server AE will perform a study root C FIND RQ request at each of the three levels Study Series and Image in succession The
106. rt copy of SOP instances containing the ISO IR 100 Latin alphabet No 1 supplementary set and DICOM default character sets as defined in PS3 5 Do not duplicate 59 GE MEDICAL SYSTEMS CT E DUAL DICOM CONFORMANCE STATEMENT DIR 2378622 REV 1 0 4 CT INFORMATION OBJECT IMPLEMENTATION 4 1 INTRODUCTION This section specifies the use of the DICOM CT Image IOD to represent the information included in CT images produced by this implementation Corresponding attributes are conveyed using the module construct The contents of this section are 4 2 IOD Description 4 3 IOD Entity Relationship Model 4 4 IOD Module Table 4 5 IOD Module Definition 4 2 CT IOD IMPLEMENTATION 4 3 CT ENTITY RELATIONSHIP MODEL The Entity Relationship diagram for the CT Image interoperability schema is shown in Illustration 4 3 1 In this figure the following diagrammatic convention is established to represent the information organization each entity is represented by a rectangular box each relationship is represented by a diamond shaped box the fact that a relationship exists between two entities is depicted by lines connecting the corresponding entity boxes to the relationship boxes The relationships are fully defined with the maximum number of possible entities in the relationship shown In other words the relationship between Series and Image can have up to 999 Images per Series but the Patient to Study relationship has 1 Study for each
107. rwise shall be encoded Helical Correction Indicator 0043 xx66 1 shall be encoded if helical correction was applied on the image otherwise shall be encoded IBO Correction Indicator 0043 xx67 3 US 1 1 shall be encoded if IBO correction was applied on the image otherwise 0 shall be encoded XT Correction Indicator 0043 xx68 3 US 1 1 shall be encoded if XT correction was applied on the image otherwise 0 shall be encoded Q cal Correction Indicator 0043 xx69 3 US 1 1 shall be encoded if Q cal correction was applied on the image otherwise shall be encoded AV Correction Indicator 0043 xx6A 3 US 1 1 shall be encoded if AV correction was applied on the image otherwise 0 shall be encoded L MDK Correction Indicator 0043 xx6B 3 US 1 1 shall be encoded if L MDK correction was applied on the image otherwise 0 shall be encoded Detector Row 0043 xx6C a 2 shall be encoded Area Size 0043 xx6D US Area size shall be encoded For SEGMENTED or LOCALIZER image this element shall not be encoded AutomA Mode mA Mode 0043 xx6E xx6E 1 Auto mA Mode label shall be encoded Aste ma Mode Creator ID LIN 00xx EENEN tf Aue mA string GEMS_HINO_CT_01 shall be 4B encoded Beam Thickness Thickness 004 01 xx01 1 Beam Thickness shall be encoded R Time 004B xx02 X Previous and next R time from center time of the time values is acquisition start time for Cardiac Scan o
108. s Information Object Definition SOP Class UID Transfer Syntax and UID fees fee e Req Req CT Image Storage 1 2 840 10008 5 1 4 1 1 2 Explicit VR Big Endian Uncompressed 1 2 840 10008 1 2 2 CT Image Storage 1 2 840 10008 5 1 4 1 1 2 JPEG Lossless Process Selection Value 14 1 2 840 10008 1 2 4 70 MR Image Storage 1 2 840 10008 5 1 4 1 1 4 Explicit VR Big Endian Uncompressed 1 2 840 10008 1 2 2 MR Image Storage 1 2 840 10008 5 1 4 1 1 4 JPEG Lossless Process Selection Value 14 1 2 840 10008 1 2 4 70 SC Image Storage 1 2 840 10008 5 1 4 1 1 7 Explicit VR Big Endian Uncompressed 1 2 840 10008 1 2 2 SC Image Storage 1 2 840 10008 5 1 4 1 1 7 JPEG Lossless Process Selection Value 14 1 2 840 10008 1 2 4 70 M Mandatory O Optional NOTE The DICOM MOD Archive Server AE chooses the JPEG Lossless compression selection value 1 as the default transfer syntax for storing images on the media But the transfer syntax is selectable on a per media basis at install time using a method defined by the Application 3 4 3 1 2 Physical Media and Media Formats The CT MR Application Profiles in the STD CTMR MOD12 require the 130mm 1 2GB 512 Byte per Sector Magneto Optical Rewriteable physical media with the PC File System as defined in PS3 12 3 4 3 1 3 Logical Format The STD CTMR MOD12 Application profile media format conforms to the Logical Format specification in PS3 12 Do not duplicate 56 GE MEDICAL SYSTEMS CT E DUAL
109. s before today e today and a number of days after today e today and a number of days before today and a number of days after today Number of days before after is specified by the user Returned values must be exactly 8 numeric characters in YYYYMMDD format gt Scheduled Procedure Step 0040 0003 1 No This attribute is sent with Start Time zero length Returned values must be exactly 6 numeric characters in HHMMSS format gt Modality 0008 0060 1 Yes Matching is supported as follows either no Modality is supplied universal matching or is supplied for matching this is user selectable gt Scheduled Performing 0040 0006 This attribute is sent with Physician s Name zero length gt Scheduled Procedure 0040 0007 Do not duplicate 81 GE MEDICAL SYSTEMS CT E DUAL DICOM CONFORMANCE STATEMENT DIR 2378622 REV 22 gt Scheduled Procedure Step 0040 0011 2 No Location gt Scheduled Protocol Code 0040 0008 1C No Sequence gt Requested Contrast Agent 0032 1070 KM LOL Displayed on Info screen Do not duplicate 82 GE MEDICAL SYSTEMS CT E DUAL DICOM CONFORMANCE STATEMENT DIR 2378622 REV 22 5 5 3 Requested Procedure Entity 5 5 3 1 Requested Procedure Module TABLE 5 5 3 REQUESTED PROCEDURE MODULE ATTRIBUTES Attribute Name Tag Expected Expected Mapped Attribute Description Matching Restored onto the Key Type Key Type Requested Procedure ID 0040
110. s either Oral IV or Oral amp IV Not sent if no contrast is prescribe by user 4 5 7 Common Lookup Table Modules 4 5 7 1 VOI LUT module This section specifies the Attributes that describe the VOI LUT TABLE 4 5 7 1 VOI LUT MODULE ATTRIBUTES Attribute Name Attribute Description Window Center 0028 1050 3 Window Center for display Display Window Center only is sent Window Width 0028 1051 1C Window Width for display Required if Window Center 0028 1050 is sent Display Window Width only is sent Do not duplicate 71 GE MEDICAL SYSTEMS CT E DUAL DICOM CONFORMANCE STATEMENT DIR 2378622 REV 22 4 5 8 General Modules The SOP Common Module is mandatory for all DICOM IODs 4 5 8 1 SOP Common Module This section defines the Attributes which are required for proper functioning and identification of the associated SOP Instances They do not specify any semantics about the Real World Object represented by the IOD TABLE 4 5 8 1 SOP COMMON MODULE ATTRIBUTES Attribute Name Attribute Description SOP Class UID 0008 0016 1 Uniquely identifies the SOP Class SOP Instance UID 0008 0018 E Uniquely identifies the SOP Instance Specific Character Set 0008 0005 Character Set that expands or replaces the Basic Graphic Set Required if an expanded or replacement character set is used Always ISO IR 100 is sent Instance Creation Date 0008 0012 3 Date the image file was created shall be encoded This element
111. sent the DICOM Server AE will send the image s by invoking C STORE RQ operation for each image on the same association e Query Initiate an association with a Remote AE to query for images on the remote host A Study Root Do not duplicate 15 GE MEDICAL SYSTEMS CT E DUAL DICOM CONFORMANCE STATEMENT DIR 2378622 REV 1 0 Study Level C FIND RQ request will be sent to the Remote AE once an association has been established After all responses are received DICOM Server AE will issue a Series Level C FIND RQ request to get the series for a study in the list An Image Level C FIND RQ will be issued for the first series in the series list e Get Send a C MOVE RQ request to a Remote AE after successful association establishment The DICOM Server AE s Storage SCP will receive the images over a separate association The DICOM Server AE waits for association requests from Remote AEs that wish to perform the following operations e Verification If a C ECHO RQ message is received the DICOM Server AE will send back a C ECHO RSP message with a status of success e Image Storage If a C STORE RQ message is received the DICOM Server AE will receive the image and try to update the local database If the image is stored successfully on storage media and the database updated a status of success will be returned in a C STORE RSP message e Query If a C FIND RQ message is received the DICOM Server AE will search the database for the requested attrib
112. sufran lesions provocadas por causas el ctricas mec nicas o de otra naturaleza ATEN O e Este Manual de Assist ncia T cnica so se encontra dispon vel em Ingl s e Se qualquer outro servi o de assist ncia t cnica quE a GEMS solicitar estes manuais noutro idioma da responsabilidade do cliente fornecer os servi os de tradu o e Nao tente reparar o equipamento sem ter consultado e compreendido este Manual de Assist ncia T cnica e nao cumprimento deste aviso pode por em perigo a seguran a do t cnico operador ou paciente devido a choques el tricos mec nicos ou outros AWERTENZA e presente manuale di manutenzione disponibile soltanto in inglese e Se un addetto alla manutenzione esterno alla GEMS richiede il manuale in una lingua diversa il cliente tenuto a provvedere direttamente alla traduzione Si proceda alla manutenzione dell apparecchiatura solo dopo aver consultato il presente manuale ed averne compreso il contenuto Non tenere conto della presente avvertenza potrebbe far compiere operazioni da cui derivino lesioni all addetto alla manutenzione all utilizzatore ed al paziente per folgorazione elettrica per urti meccanici od altri rischi e e n Te mS TT EAT e AVESSE TTA METE e BRAVE ISSA TAME BREA Asma PLUS
113. t MPPS object MPPS object and Billing and Material Code Module Note 1 When PPS start N CREATE message is sent this element will have the value INPROGRESS When PPS end N SET message is sent this element will have either COMPLETE or DISCONTINUE based on user selection 8 2 CT DICOM IMAGE HEADER MAPPING Do not duplicate 105 GE MEDICAL SYSTEMS CT E DUAL DICOM CONFORMANCE STATEMENT DIR 2378622 REV 22 Attribute Name Tag Description Patient Level Copied from SPS if selected Copied from SPS if selected Patient Birthdate 0010 0030 Copied from SPS if selected Patient Sex 0010 0040 Copied from SPS if selected Referenced Patient 0008 1120 Copied from SPS if selected Sequence gt Ref SOP class uid 0008 1150 gt Ref SOP Instance uid 0008 1155 Study Instance UID 0020 000D Copied from SPS if selected Study ID 0020 0010 Copied from SPS if selected Referring Physicians Name 0008 0090 Copied from SPS if selected Accession Number 0008 0050 If multiple SPS s are selected then accession number from the first selection determined by the user is used Referenced Study 0008 1110 Copied from SPS if selected Sequence gt Ref SOP class uid 0008 1150 gt Ref SOP Instance uid 0008 1155 Series Level Modality 0008 1060 Value CT is copied Protocol Name 0018 1030 Name of the selected protocol is copied 0008 0090 Copied from SPS if selected 0008 1111 Will be pr
114. t can be specified for query by selecting a specific date range The date ranges available are Today Days Before Today Days After Today and All Days These selections and their affects on worklist query parameters are given below Today e Scheduled Procedure Step Start Date 0040 0002 set to YYYYMMDD where this date is the current date Days Before Today and Days After Today e Scheduled Procedure Step Start Date 00040 0002 set to YYYYMMDD YYYYMMDD where this date range represents the specified number of days before today and or after today Note that number of days both before and after can be specified in the same query and that each always includes today All Days e Scheduled Procedure Step Start Date 0040 0002 zero length universal matching 2 3 2 1 2 Presentation Context Table Table 2 3 2 1 2 1 Proposed Presentation Contexts for Worklist Server AE and Real World Activity Query Worklist Presentation Context Table Abstract Syntax Transfer Syntax Extended Negotiation Modality Worklist 1 2 840 10008 5 1 4 1 31 Implicit VR 1 2 840 10008 1 2 SCU Information Model Little Endian FIND 2 3 2 1 2 1 SOP Specific Conformance Statement for the Worklist SOP Class If the remote AE does not support the proposed Presentation Context an appropriate error is logged and the operator is notified Do not duplicate 37 GE MEDICAL SYSTEMS CT E DUAL DICOM CONFORMANCE STATEMENT DIR 2378622 REV 1 0 This implemen
115. t listed in the appendix but are supported by the implementation NOTE The modality attribute 0008 0060 in the DICOMDIR Series records should be CT MR for Secondary Capture SOP Class Images Otherwise the CT e Dual DICOM media display browser will not list up the series for contents rendering the retrieval to local storage impossible 3 4 3 2 4 1 Additional Keys None 3 5 EXTENSIONS SPECIALIZATIONS PRIVATIZATIONS OF SOP CLASSES AND TRANSFER SYNTAXES 3 5 1 Extensions Specializations and Privatizations of SOP Classes The CT MR SOP Class Images have definitions extended for Defined Terms and include GE specific Private Data elements The following sections describe the details for these SOP classes 3 5 1 1 SOP Specific Conformance Statement for CT SOP Class Refer to section 2 5 for standard extensions and Appendix A for private data elements 3 5 1 2 SOP Specific Conformance Statement for MR SOP Class Refer to section 2 5 for standard extensions 3 5 2 Private Transfer Syntax Specification None Do not duplicate 58 GE MEDICAL SYSTEMS CT E DUAL DICOM CONFORMANCE STATEMENT DIR 2378622 REV 1 0 3 6 CONFIGURATION The DICOM MOD Archive Server AE will have only 2 6GB drive installed Table 3 6 1 Supported Profiles for various Drive Configurations Disk Drive Installed Profiles Supported 2 6GB Optical Disk Drive STD CTMR MOD 12 3 7 SUPPORT OF EXTENDED CHARACTER SETS The DICOM MOD Archive Server AE will suppo
116. t session will be terminated 6 3 1 2 2 2 Basic Film box SOP Class The Print SCU supports the following DIMSE Service Elements for the Basic Film Box SOP Class N CREATE Requests the Print SCP to create an instance of Film Box N ACTION Requests the Print SCP to print the Film Box onto Printer N DELETE Requests the Print SCP to delete the Film Box Instance The Following Attribute values are supported Attribute DICOM Tag Valid Range Default Value STANDARD C R Image Display Format 2010 0010 Printer Dependent Set in User Interface Mv SND Sequence Film Orientation 2010 0040 PORTRAIT in Configuration Film Size ID 2010 0050 Sent zero length Sent zero length BILINEAR CUBIC REPLICATE 2010 i igurati Magnification type 2010 0060 Set in Configuration File Smoothing type 2010 0080 Printer Dependent e in Configuration BLACK Set in Configuration Border density 2010 0100 WHITE BLACK Set in Configuration Empty image density 2010 0110 WHITE File Min density 2010 0120 0 4094 Es in Configuration ile Note Attributes sent zero length use the camera default values Note denotes that the attribute is optional for the SCU However we do provide values for all of these optional Do not duplicate 91 GE MEDICAL SYSTEMS CT E DUAL DICOM CONFORMANCE STATEMENT DIR 2378622 REV 22 attributes and if the SCP does not support the requested value it may
117. t starts once the first C STORE request has been issued on association or received and is reset each time a C STORE response has been received or when subsequent C STORES are sent This time out is 300 seconds Each C STORE operation also supports a Session Timer This timer starts when the association is established and stops when the association is ended This time out is 60 minutes If any of the three timers mentioned above expires the connection is closed and the operation in progress is considered failed When DICOM Server AE initiates an association to issue a C STORE one of the following two operations will be performed If the image is stored locally on the CT e Dual in DICOM format Dic appears in the Fmt column at the exam level of the local database manager the image will be transmitted by the DICOM Server AE with the same elements as was originally received or created locally for the standard elements only If the image is stored locally on the CT e Dual in a non DICOM Advantage format Adv appears inthe Fmt field at the exam level of the local database manager the image will be translated and then transmitted by the DICOM Server AE to the identical profiles specified by the CT Advantage Conformance Statement for DICOM Direction 2118781 and the MR Signa Advantage Conformance Statement for DICOM Direction 2118782 2 3 1 2 2 Query Remote AE 2 3 1 2 2 1 Associated Real World Activity The operator must fi
118. t to the remote AE MPPS SCP in order to create a MPPS SOP instance at the remote AE Do not duplicate 42 GE MEDICAL SYSTEMS CT E DUAL DICOM CONFORMANCE STATEMENT DIR 2378622 REV 1 0 which is actually a replica of the locally created MPPS SOP instance 4 The remote AE returns response indicating the success failure of the request execution If the response indicates success PPS Server AE initiates a MPPS N SET request to the remote AE in order to update the MPPS SOP instance that is already created with the additional information 5 The remote AE returns response indicating the success failure of the request execution The PPS state information is updated in the system based on the response data and is presented to the user 2 4 COMMUNICATION PROFILES 2 4 1 Supported Communication Stacks PS 3 8 PS 3 9 DICOM Upper Layer PS 3 8 is supported using TCP IP 2 4 2 OSI Stack OSI stack not supported 2 4 3 TCP IP Stack The TCP IP stack is inherited from a UNIX Operating System 2 4 3 1 API Not applicable to this product 2 4 3 2 Physical Media Support Ethernet V2 0 IEEE 802 3 2 4 4 Point to Point Stack A 50 pin ACR NEMA connection is not applicable to this product 2 5 EXTENSIONS SPECIALIZATIONS PRIVATIZATIONS 2 5 1 Private SOP Classes ID Net v2 0 Private IODs are based upon the April 1993 draft version of the DICOM ID Net v2 0 IODs are supported for backward compatibility The following private SOP classes ar
119. ta MWL data Patients Name 0010 0010 Copied from SPS User input on the Copied from source if selected scanner image Patient ID 0010 0020 Copied from SPS User input on the Copied from source if selected scanner image 0010 0032 Copied from SPS User input on the Copied from source if selected scanner image 0010 0040 Copied from SPS User input on the Copied from source if selected scanner image Referenced Patient 0008 1120 Copied from SPS Not used No Item Sequence if selected Performed Procedure Step 0040 0253 Created at the Created at the New generated ID scanner Will scanner Will have may not be unique have the the following PPS_ID following PPS ID _ lt exam _ lt exam number number 0040 0241 Local system AE Local system AE Local system AE Title Title Title 0040 0242 Local system Local system suite Local system suite id id host name 0040 0243 Local system Local system suite Not used suite id id 0040 0244 Same as exam Same as exam Same as exam start start date start date date 0040 0245 Same as exam Same as exam Same as exam start start time start time time 0040 0254 Copied from SPS Not sent as part of Not sent as part of if selected MPPS object MPPS object Patient s Birth Date Patient s Sex Performed Station AE Title Performed Station Name Performed Location Performed Procedure Step Start Date Performed Procedure Step Start Time Performed Procedure Step
120. tation can receive multiple C FIND results over a single association Only one association is opened at a time Each C FIND response received from the remote AE is parsed to verify the length type of the items in the response see section 2 3 1 2 1 2 2 for more information Upon detecting any error in the response data the Worklist Server AE will correct or discard the data and continue to receive rests of C FIND RESP On receipt of any error from the remote AE the Worklist Server will issue a C FIND CANCEL and upon receipt of a C FIND RSP or if an applicable timer expires will abort the association Any previously received worklist items are discarded Warnings received from the remote AE are ignored Each C FIND operation supports a configurable Association Timer This timer starts when the association request is sent or received and stops when the association is established The default time out value is 30 seconds Each C FIND operation supports a configurable Session Timer This timer starts when an association is established and stops when the association is ended The default time out value is 3600 seconds If any of the above timers expires the association is aborted A ABORT and the operation in progress is considered to be failed Any previously received worklist items are discarded 2 3 2 1 3 Record Acceptance Policy The CT e Dual implementation adheres to strict value checking of incoming query responses from the remote AE
121. the Frame of Reference IE Do not duplicate 65 GE MEDICAL SYSTEMS CT E DUAL DICOM CONFORMANCE STATEMENT DIR 2378622 REV 1 0 4 5 4 1 Frame Of Reference Module This section specifies the Attributes necessary to uniquely identify a frame of reference which insures the spatial relationship of Images within a Series It also allows Images across multiple Series to share the same Frame Of Reference This Frame Of Reference or coordinate system shall be constant for all Images related to a specific Frame Of Reference TABLE 4 5 4 1 FRAME OF REFERENCE MODULE ATTRIBUTES Attribute Name Attribute Description e Frame of Reference UID 0020 0052 See 4 5 4 1 1 1 for further explanation Position Reference Indicator 0020 1040 See 4 5 4 1 1 2 for further explanation 4 5 4 1 1 Frame Of Reference Attribute Descriptions 4 5 4 1 1 1 Frame Of Reference UID The Frame of Reference UID 0020 0052 shall be used to uniquely identify a frame of reference for a series Each series shall have a single Frame of Reference UID However multiple series within a Study may share a Frame of Reference UID All images in a Series which share the same Frame of Reference UID shall be spatially related to each other 4 5 4 1 1 2 Position Reference Indicator The Position Reference Indicator 0020 1040 specifies the part of the part of the patient s anatomy which was used as an anatomical reference point associated with a specific Frame of Reference UID
122. the image is SEGMENTED image Total Segments Required 0019 xx43 3 SS 1 Total number of segments shall be encoded if the image is SEGMENTED i image Do not duplicate 108 GE MEDICAL SYSTEMS CT E DUAL DICOM CONFORMANCE STATEMENT DIR 2378622 REV 22 Private Creator ID 0027 00xx 1C LO 1 Character string GEMS IMAG 01 shall always be encoded This element shall be encoded only when group 27 den any data element in this group is encoded Scan Start Location 0027 50 3 FL 1 Table position when x ray started shall be encoded This element shall be encoded only for scout images Scan End Location 0027 51 Table position when x ray terminated shall be encoded This element shall be encoded only for Scout images Private Creator ID 0043 00xx Character string GEMS PARM 01 shall be group 43 encoded Delta Start Time msec 0043 xx1E DS Delta start time shall be encoded if the scan option is HELICAL MODE CINE MODE or CARDIAC MODE Scan Pitch Ratio 0043 xx27 SH For helical scan 0 75 1 or 1 5 1 shall be encoded For other scan type nothing shall be encoded CUI Center Coordinates 0043 xx31 ls Resmi O Reconstruction center shall be encoded Raw Data iD 0043 63 E 1 RawdatalDshallbeencoded Image Filter 0043 xx64 CS 1 n Image filter names that applied on the image shall be encoded Motion Correction Indicator 0043 xx65 US 1 shall be encoded if motion correction was applied on the image othe
123. tion Center R Coordinate Center A Coordinate Table Start Location Table End Location RAS Letter for Side of Image RAS Letter for Anterior Posterior RAS Letter for Scout Start Location RAS Letter for Scout End Location Image Dimension X Image Dimension Y P 00190010 GEMS ACQU 01 0019 101E Returned P 100191024 Returned P 0019 1026 Returned 0019107 Returned 0021 0010 GEMS 01 EAE 0021 104A Returned pr 0027 0010 GEMS IMAG 01 027 1040 Returned P 0027 1041 Returned 0027 1042 Returned 0027 1043 Returned 027 1080 Returned 027 1081 Returned P 0027 1052 Returned 0027 1053 Returned P 027 1084 Returned P 027 1085 Returned 0027 1060 Returned 0027 1061 Returned Note In the above tables the type field has the following meaning Required Unique O Optional P Private Only keys with Usage type Matched will be matched against values in the database Do not duplicate 34 GE MEDICAL SYSTEMS CT E DUAL DICOM CONFORMANCE STATEMENT DIR 2378622 REV 1 0 Values in keys of type Returned will be ignored and will be filled in with data from the database If an optional key is requested that does not appear in any of the tables above that key will be ignored and no corresponding element will be returned If the database does not have a value corresponding to any requested optional key a zero length element
124. to be printed 6 2 3 Sequencing of Real World Activities e The DICOM printer is installed through a camera installation process The DICOM printer is selected from the Film Composer Interface for Manual Filming Autofilming is enabled using the camera setup via the camera installation process e Images may be acquired for printing in the following manner mages to be printed may be manually dropped from Viewing applications into the manual film composer slots mages to be printed may be automatically dropped from Viewing applications into the manual film composer slots mages to be printed may be manually dropped from Viewing applications into the auto film composer Do not duplicate 87 GE MEDICAL SYSTEMS CT E DUAL DICOM CONFORMANCE STATEMENT DIR 2378622 REV 22 slots Image series to be printed may be automatically dropped from the PrintSeries application into the manual film composer slots Images to be printed may be automatically dropped from the Scanning Application into the auto film composer slots e Based upon the filming mode and the attributes used to acquire images into the film composer films will be automatically printed when the film session is full or the user must press the Print Button to print the images e The Print SCU retrieves the Print SCP status by using the N GET service of Printer SOP Class If the printer returns a FAILURE status the print session will be terminated The printer status
125. ttle Endian Explicit VR Big Endian 1 2 840 10008 1 2 2 1 2 840 10008 1 2 1 NOTE Other Presentation Contexts with private SOP class names may be offered when establishing an association These are private SOP classes that may be ignored See section 2 5 2 2 3 1 2 1 2 1 Image Installation of GE Created CT Images This implementation can perform multiple C STORE operations over a single association A single association for a single series will be used for the multiple C STORE operations necessary for the images in the series Upon receiving a C STORE confirmation containing a successful status this implementation will perform the next C STORE operation The association will be maintained if possible Upon receiving a C STORE confirmation containing a Refused status this implementation will terminate the association Do not duplicate 21 GE MEDICAL SYSTEMS CT E DUAL DICOM CONFORMANCE STATEMENT DIR 2378622 REV 1 0 Upon receiving a C STORE confirmation containing any status that is not Success or Refused this implementation will consider the current request to be a failure but will continue to attempt to send the remaining images in the request on the same association Each C STORE operation supports an Association Timer This timer starts when the association request is sent and stops when the association is established The time out is 300 seconds Each C STORE operation also supports an Operation Inactivity Timer This time ou
126. umber 0008 0050 Copied from SPS User input on the Copied from source if selected scanner image gt Placer Order 0040 2016 Not sent as part of Not sent as part of Not sent as part of Number Imaging Service MPPS object MPPS object MPPS object Request gt Filler Order 0040 2017 Not sent as part of Not sent as part of Not sent as part of Number Imaging Service MPPS object MPPS object MPPS object Request gt Requested Procedure ID 0040 1001 Copied from SPS User input on the Copied from source if selected scanner image gt Requested Procedure 0032 1060 Copied from SPS Not used Not sent as part of Description if selected MPPS object gt Placer Order 0040 1006 Not sent as part of Not used Not sent as part of Number Procedure MPPS object MPPS object gt Filler Order 0040 1007 Not sent as part of Not used Not sent as part of Number Procedure MPPS object MPPS object gt Scheduled Procedure ID 0040 0009 Copied from SPS Not used Copied from source if selected image gt Scheduled Procedure 0040 0007 Copied from SPS Not used Copied from source if selected image Description gt Scheduled Action Item 0040 0008 Copied from SPS Not used Not sent as part of Code Sequence if selected MPPS object Do not duplicate 103 GE MEDICAL SYSTEMS CT E DUAL DICOM CONFORMANCE STATEMENT DIR 2378622 REV 22 Attribute Name Tag Usage in MPPS Instance Acquisition with Acquisition without Post Processing MWL da
127. uncated to 16 characters Patient s Birth Date 0010 0030 Patient s birth date Patient s Sex 0010 0040 Sex of the patient Referenced Patient Sequence 0008 1120 A sequence which provides reference to a Patient SOP Class Instance pair gt Referenced SOP Class UID 0008 1150 Uniquely identifies the referenced SOP Class gt Referenced SOP Instance UID 0008 1155 Uniquely identifies the referenced SOP Instance 4 5 2 Common Study Entity Modules The following Study IE Modules are common to all Composite Image IODs which reference the Study IE These Module contain Attributes of the patient and study that are needed for diagnostic interpretation of the image Do not duplicate 63 GE MEDICAL SYSTEMS CT E DUAL DICOM CONFORMANCE STATEMENT DIR 2378622 REV 1 0 4 5 2 1 General Study Module This section specifies the Attributes which describe and identify the Study performed upon the Patient TABLE 4 5 2 1 GENERAL STUDY MODULE ATTRIBUTES Attribute Name Tag Type Attribute Description Study Instance UID 0020 000D Unique identifier for the Study Study Date 0008 0020 2 Date the Study started Study Time 0008 0030 2 Time the study started Referring Physician s Name 0008 0090 2 Patient s referring physician Truncated to 26 characters Study ID 0020 0010 2 User or equipment generated Study Identifier Accession Number 0008 0050 2 Patient s accession number Truncated to 16 char
128. utes and send back a C FIND RSP message containing a match and a status of pending After all matching records have been sent a status of success will be returned in a C FIND RSP message The Remote AE can terminate the query by sending C CANCEL FIND RQ message e Retrieve If a C MOVE RQ message is received the DICOM Server AE will lookup its list of configured Remote AEs for the Destination AE If the Destination AE is configured the DICOM Server AE will open a new association to the Destination AE and use C STORE RQ to send the image s The DICOM Server AE will send a C MOVE RSP message with a status of pending after every five images are sent When all images are sent or if DICOM Server AE receives a C CANCEL MOVE RQ a final C STORE RSP will be sent back with an appropriate status The Workllist Server AE is implemented as an application process on the scanner host computer It runs as a daemon serving requests from the user interface to obtain modality worklists query remote AE s and return the results to the user interface The Worklist Server AE initiates the following functions e Query Initiates a DICOM association in order to query a remote AE If the remote AE accepts a presentation context applicable to modality worklist the Worklist Server AE will issue a modality worklist query request via the C FIND service The PPS Server AE is implemented as an application process on the scanner host computer It runs as a daem
129. ve SAVE 2 3 1 2 5 1 Associated Real World Activity The user selects the exam series to be committed All the images currently in the selected exam series will be sent to the selected remote archive node which is also the Storage commitment SCP using DICOM C STORE operations Once all the images are transferred the commitment request will be sent on a separate association The Auto archive API s are used to archive the exams series onto local archive media or the remote archive node which shall be a Storage Commitment SCP without manual interface If the default device selected for Auto Archive is a remote Storage Commitment SCP then all the images currently in the specified exam series will be sent to the selected Storage commitment SCP using C STORE operations On successful transfer of all the images the Storage Commitment request will be sent Do not duplicate 27 GE MEDICAL SYSTEMS CT E DUAL DICOM CONFORMANCE STATEMENT DIR 2378622 REV 1 0 2 3 1 2 5 2 Proposed Presentation Contexts The Proposed Presentation Context table for the DICOM Storage Commitment SCU is as shown in following Table Presentation Context Table Proposed Abstract Syntax Transfer Syntax Extended Storage 1 2 840 10008 1 20 1 Implicit VR Little 1 2 840 10008 1 2 Commitment Endian Push Model SOP Class The Storage Commitment SCU can send the commitment request for following DICOM SOP classes NAME UID CT Image Storage SOP Class 1 2 840 10008 5 1 4 1
130. ved in the N EVENT REPORT response Transaction UID 0008 1195 Received from SCP 0008 1199 Referenced SOP 0008 1199 Received from SCP Sequence gt SOP Class UID 0008 1150 Received from SCP Received from SCP Transaction UID 0008 1195 Received from SCP Failed SOP Sequence 0008 1199 Received from SCP gt SOP Class UID 0008 1150 Received from SCP gt SOP Instance UID 0008 1155 gt SOP Instance UID 0008 1155 Received from SCP gt Failure Reason 0008 1197 Received from SCP The Archive flag information for all the successful instances will be turned on Failed SOP instances will have their archive flag information unaltered Only the failure is reported and not the cause of the failure It is left to the user s discretion whether the local sop instances with their archive flag turned on are to be deleted Note that this is a shared flag with local archive In case of complete success the job queue entry will be removed In case of complete partial failure the user will be notified about the status and the job entry will be paused There is no attempt made to retry automatically the failed sop instances However the user can manually retry the failed jobs Such requests will be treated as new requests This will go through the whole sequence of operations once again 7 3 1 5 Association Acceptance Policy A single association will be accepted at any time to receive Storage Commitment responses
131. vice Episode 5 3 1 4 Visit Entity Description A Visit is the context in which the treatment or management of an arbitrary subset of a Patient s medical conditions occurs A Visit is limited to the description of a Patient s activities at a single facility 5 3 1 5 Patient Entity Description A Patient is a person receiving or registered to receive healthcare services 5 3 2 ConnectPro Mapping of DICOM Entities TABLE 5 3 1 MAPPING OF DICOM ENTITIES TO CONNECTPRO ENTITIES DICOM ConnectPro Entity 5 4 INFORMATION MODEL MODULE TABLE Within an entity of the DICOM Modality Worklist Information Model attributes are grouped together into related set of attributes called modules A module facilitates the understanding of the semantics concerning the attributes and how the attributes relate to one another A module grouping does not infer any encoding of information into datasets Table 5 4 1 identifies the defined modules within the entities which comprise the DICOM Modality Worklist Information Model Modules are identified by Module Name See DICOM PS 3 3 and PS 3 4 for a complete definition of the entities modules and attributes Do not duplicate 78 GE MEDICAL SYSTEMS CT E DUAL DICOM CONFORMANCE STATEMENT DIR 2378622 REV 22 TABLE 5 4 1 MODALITY WORKLIST INFORMATION MODEL MODULES coarse 3532 E _ a Patient Demographic 3 5 6 1 Patient Medical 3 5 6 1 5 5
132. yntaxes are proposed in the same presentation context the SCP will accept the first one 2 3 2 Worklist Server AE 2 3 2 1 Worklist Query 2 3 2 1 1 Associated Real World Activity The operator of the system initiates a query for a modality worklist by either opening the Schedule screen or by opening the Schedule screen and pressing the Update button The choice of which of the these two behaviors occurs is user configurable The Worklist Server will then initiate an association with the remote AE in order to query for the worklist A user can configure a number of parameters which directly control the worklist query request The user can request worklist items that are intended for the scanner the user is working at all items that apply to the modality of the scanner the user is working at or all worklist items available These selections and their affects on worklist query parameters are given below This Scanner e Modality 0008 0060 set to CT e Scheduled Station AE Title 0040 0001 set to local AE Title Do not duplicate 36 GE MEDICAL SYSTEMS CT E DUAL DICOM CONFORMANCE STATEMENT DIR 2378622 REV 1 0 This Modality e Modality 0008 0060 set to CT e Scheduled Station AE Title 0040 0001 zero length universal matching All Scanners e Modality 0008 0060 zero length universal matching e Scheduled Station AE Title 0040 0001 zero length universal matching The scheduled dates of procedures of interes

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