ISO Analyze User Manual
Contents
1. TABLE PC IMAGE 1 O O O IMAGE 2 O 180 0 IMAGE 3 90 O 0 IMAGE 4 90 180 0 IMAGE 5 180 O O IMAGE 6 180 180 O IMAGE 7 270 O 0 IMAGE 8 270 180 0 Table 9 Configuration of acquisition sequence 1 Acquisition sequence 2 8 images IMAGE 1 0 90 0 IMAGE 2 O 270 0 IMAGE 3 90 90 0 IMAGE 4 90 270 0 IMAGE 5 180 90 0 IMAGE 6 180 270 0 IMAGE 7 270 90 0 IMAGE 8 270 270 0 Table 10 Configuration of acquisition sequence 2 Note The Gantry Position corresponds to the position of the MV source Image obtained Figure 7 Typical image of the CIRS ISO Cube Daily QA Phantom for the MV radiation isocenter parameter 2 2 7 _ 2DkV Isocenter The 2DKV Isocenter is computed with 4 images corresponding to 4 gantry positions No collimation of the XR beam is necessary Therefore the following table describes the only possible acquisition sequence KV SOURCE POSITION TABLE POSITION IMAGE 1 0 0 IMAGE 2 90 0 IMAGE 3 180 0 IMAGE 4 270 0 Table 11 Configuration of acquisition sequence Image obtained Figure 8 Typical image of the CIRS ISO Cube Daily QA Phantom for the 2DkV Isocenter parameter 2 2 8 kV CBCT Isocenter The kV CBCT Isocenter is computed from an acquisition in CBCT mode with a gantry rotation of 360 and the table2. Computation did not take place normally generally oc curring when an image selection is not appropriate The results of a parameter can be displayed by clicking on its name in the results list If this parameter is marked by a red label clicking on its name will cause a return to the image selection of the main interface 6 1 2 Tabulated Results Each parameter is characterized by a given number of elements These ele ments are computed from the selected images and the values obtained are displayed under a tabular format 29 7 REPORT After computing parameters you can generate a report by clicking any This will display a report as shown in Figure 35 Bore Fax 150 Analyze Report PPE dee Date of 201207109 POWERED EY Tested davice i PANTERA mur unr Sant as Model Lira ELT 1r Phantom information Barto erai nbn Central marier Cram master Pixel size of the MV detector Pixel size of the MV detector Computed Value Theoretical Value X oos gine iwn 0 5382 0 5127 Y moo moe mm Por by iy Pixel size of the kV detector Pixel size of the kV detector isis bend Taher Theresa Value in u lw E Hd 0 1588 Figure 35 Typical Report Note All the distances presented in the report are calculated using the Theoretical Value of Pixel size for both the MV and kV detec tors The user can see and assess the impact of the Comput
3. Warning It is very important that the Pixel size saved in DICOM option is checked correctly Checking the wrong option for this info will lead to improper image segmentation as shown below mm LLITH identity Acquisition conditions Acquisition sequences DICOM Image Modality RTlmage C CR Irradiated areas Black C While Pixel size saved in DICOM Detector socenter Images Parameters association type RT Image Label Figure 12 Pixel size saved in DICOM option checked correctly Identity Acquisition conditions Acquisition sequences DICOM Image Modality RTlmage C CR Irradiated areas Black C White Pixel size saved in DICOM Detector socenter Images Parameters association type RT Image Label Figure 13 Pixel size saved in DICOM option checked incorrectly 13 Note If the user is presented with such improper image segmentation the Pixel size saved in DICOM option may be checked incorrectly in the Acquisition conditions tab of Linac definition window Review this op tion selection and click Validate for a new computation of the results mages Parameters association type Selection of the DICOM field used to sort images in the lightbox and consequently the image parameter association during the loading of the images There are 2 choices O Acquisition order o RT Image Label Note If CR images are used the Ima
4. Pixel Size of the kV Detector parameter the 7 ISO 2 2 3 The collimator rotation isocenter is computed with either 4 or 8 images corre sponding to various collimator positions A field size of 10x10 cm is advisable The following tables describe three possible acquisition sequences Collimator rotation isocenter Acquisition sequence 1 4 images GANTRY POSITION COLLIMATOR POSITION TABLE POSITION IMAGE 1 0 0 0 IMAGE 2 10 90 0 IMAGE 3 10 180 0 IMAGE 4 10 270 0 Table 1 Configuration of acquisition sequence 1 Acquisition sequence 2 4 images GANTRY POSITION COLLIMATOR POSITION TABLE POSITION IMAGE 1 O 45 O IMAGE 2 O 135 O IMAGE 3 O 225 O IMAGE 4 O 315 O Table 2 Configuration of acquisition sequence 2 Acquisition sequence 3 8 images GANTRY POSITION COLLIMATOR POSITION TABLE POSITION IMAGE 1 O 0 0 IMAGE 2 O 45 0 IMAGE 3 O 90 0 IMAGE 4 O 135 0 IMAGE 5 O 180 0 IMAGE 6 O 225 0 IMAGE 7 O 270 0 IMAGE 8 O 315 0 Table 3 Configuration of acquisition sequence 3 Note The Gantry Position corresponds to the position of the MV source Image obtained v Figure 4 Typical images of the CIRS ISO Cube Daily QA Phantom for the collimator rotation isocenter parameter 2 2 4 Gantry rotat
5. of the mouse To control the Pan mode movement within the image press both but tons of the mouse at the same time or press the left mouse button and the Spacebar while dragging the mouse The image is moved in real time in conjunction with the movement of mouse The Zoom and Pan apply to the entire series the values remain un changed during movement through the series of images It is alSo possible to select one or the other mode by left clicking to activate the buttons provided for this purpose on the left side of the lightbox as indicated on Figure 26 next page 23 Patient s Name RT Image Label Z Position Text Display Zoom Control Window Controls Image Directory Angles Gantry Collimator Couch Figure 26 Control Mode Shortcuts 5 1 2 Main Window Control The selection of the Manual sub item of the Main window item opens the Window adjustment interface as shown in Figure 27 CD Window adjustment BE xl Predetined window INNER SUE 2 Center T 31124 Max 1 4955 unit Create Cancel Figure 27 Window Adjustment Interface _ Predefined window This is used to select a predefined display window from the pro posed list By default this list is empty e Min Moving the cursor with the mouse allows interactive adjustment of the minimum visualization window value Center Moving the cursor with the mouse allows interactive adjustment
6. 016 SOP Class UID 1 2 840 10008 5 1 4 1 1 481 1 SOP Instance UID 1 3 48 423832 131794 1309975958 8 Study Date 20110706 Acquisition Date 20110706 Content Date 20110706 Study Time 201059 Acguisition Time 201059 609000 Content Time 201059 609000 Accession Number 0008 0060 Modality RTIMAGE 0008 0064 Conversion Type 0008 0070 Manufacturer ELEKTA 0008 0090 Referring Physician s Name ann 0008 1010 Station Name Synergy2 inne 107n ynerotrec Nome Figure 30 Main Dump Interface The information supplied in the standard display mode comprises the TAG the title and the value of the various non proprietary DICOM field details in the image There are several information display modes which can be selected from the menu displayed on Figure 31 Display private attributes Print Figure 31 Dump Menu The display of all information gives access for each field to the VR type and size in addition to the previously mentioned default fields The display of private attributes gives access to the proprietary fields that are potentially loaded into the DICOM image The display of full value provides access to the entire value that is without the truncation of the field Any combination of these three first items can be selected simultaneously The next two items on the menu are used for printing the Dump and quit ting the interface 27 6 IMAGE ANALYSIS Select a Linac by clicking on the Select Linac b
7. 200 Source Axis Distance mm hoo Source Image Distance mm Acquistion conditions Check the acquisition conditions Cany of condoni scquang mages m h DACOM tage Cany Ange Bean Lm ng Derce Ange and Fated Suae Ange Angle tolerance 02 Phantom infoematior Central marker type Ceramic mathet Phantom serial number o Figure 11 Linac Definition Window Acquisition Conditions Tab Qui asd DICOM Images e Modality 2 DICOM modalities are supported by ISO Analyze o RIT Image CR lrradiation areas Gray level of the irradiation areas in the images There are 2 choices o Black ELEKTA and VARIAN Portal device o White SIEMENS Portal device e Pixel size saved in DICOM Specify if the pixel size saved in the DICOM header is given at the isocenter or at the detector By de fault the pixel size is given at the detector following the DICOM standard of DICOM RT Image tag 8002 0012 Image Plane Pixel Spacing is Note According to the DICOM standard the pixel size stored in header given at the detector at the value in the tag 3002 0026 RT Image SID Some manufacturers don t comply with this standard and the pixel sized stored in the header is given at isocenter at the value in the tag 3002 0022 Radiation Machine SAD If the modality of images is set to CR then the Pixel size saved in DI COM option is not available 12
8. 26 in the header of DICOM RT Image modality im ages If the tag is not present or specified then the value entered by the user is taken into account for the calculation of various parameters For DICOM images modality CR the value entered by the user is taken into account for the calculation of various parameters 3 1 2 3 2DkV images acquisition setting source Image Distance in mm Specify the distance and its tol erance between the kV source and the kV detector of the device Detector X size in mm Physical dimension X of the detector This information is required to determine the theoretical pixel size at SAD when it is not given or present in the header of DICOM images If the pixel size is present and filled in the header of RT Image or CR images are analyzed then this information is not taken into account Detector Y size in mm Physical dimension Y of the detector This information is required to determine the theoretical pixel size at SAD when it is not given or present in the header of DICOM images If the pixel size is present and filled in the header of RT Image or CR images are analyzed then this information is not taken into account 3 1 2 4 _ Acquisition conditions Check the acguisition conditions Verify that the gantry collimator and couch angles from the DICOM header of each image corre spond to the selected acquisition conditions Note Before activation of this option be sure that these values are
9. ISO Analyze Software Model 023 03 CIRS ims POWERED BY AQUILAB USER GUIDE CIRS 2428 Almeda Avenue Suite 316 Norfolk Virginia 23513 USA Tel 757 855 2765 WWW CIRSINC COM TABLE OF CONTENTS 1 INTRODUCTION 1 1 1 HARDWARE REQUIREMENTS een ug 1 1 2 SOFTWARE REQUIREMENTS een nn KI nn 1 1 3 DESCRIPTION oi err R eases GX IP DR KEEN ee anes 1 BHOENSE AG yD DDYN ea 2 2 IMAGE ACQUISITION 2 2 1 INIBUDUCTION RO PPS ie 2 2 1 1 CIRS ISO Cube Daily QA Phantom without the ISO 3 2 1 2 CIRS ISO Cube Daily QA Phantom with the ISO Base 3 22 MABDUISIMIUN GT ease otek ane beer coon isa M EUER Ra d 4 221 Pixelheize or ine My deleclof oue GERI DD ORUG AE 4 222 Pelee MM dle IO HT cect Tae 4 209 COMMA ei Ms COGNE TT edd dy X ACE KS Ce FFF ES ES 5 2 2 4 Gantry rotation ace es ae wee lt 6 200 BE os te io Le ISOCCIICR ackoR e Ro i RH ARREARS P 7 22C MV radiation Eccles ER READ DEAR DDOD RR RR Ed 8 22 2D ISOCEMIEr he DRDD RUDD 10 225 RECECH BOCONG 2t20 44862006853 206282460482200056508 50088605048 10 3 LINAC MANAGEMENT MENU 11 OA ADD LINAC 04095 2245 05 AWR DER TESTS Races DR 11 Oe dad
10. at O The acquisition condi tions are those used in the routine clinical protocol Image obtained Figure 9 Typical image of the CIRS ISO Cube Daily QA Phantom for the KV CBCT Isocenter parameter 10 3 LINAC MANAGEMENT MENU 3 1 ADD LINAC By clicking on Add Linac the Linac definition shown on Figure 10 appears This window is split into 3 tabs Each of these definitions are used for image analysis and report generation e Identity e Acquisition conditions e Acquisition sequences Linac definition Figure 10 Linac definition Window Identity tab 3 1 1 Identity Four fields are mandatory to create the device e Name e Manufacturer e Model e Serial Number Note These fields will be displayed on each report control 11 3 1 2 Acquisition conditions x Linac definition Linac 1 idertly Acquistion conditions Acguasiion sequences DICOM image Modality Inadiated areas Pixel size saved in DICOM Images Parameters association type 20 images acquisition selling Field size in X at isocenter mm Field size in Y at mm v RTImage C CR Black C Whie v Detector C Isocenter RT Image Label 100 100 DetectorX size mm m Detector Y size mm 300 Source Axis Distance mm 1000 t 2 Source Image Distance mm heo t D 1 20 images acquisition telling Detector X size mm 300 Detector Y size mm
11. cated to parameters and contains the list of parameters and the results computed for the current images If there is no loaded image the results area is empty e Bottom left This is the help area containing information about current image and the main image acquisition parameters If there is no loaded image the area is empty e Right Current images are displayed on this lightbox area If there is no loaded im age the area will be empty 22 5 1 LIGHTBOX FUNCTIONALITIES Right clicking on a lightbox image will open the menu displayed on Figure 25 5 1 1 Figure 25 Lightbox Functionalities Main Window control Zoom control The control choice determines whether the right button of the mouse is used for controlling the visualization window or the zoom e Main Window control When the Main Window Control mode is active right click while dragging the mouse over the view If the mouse moves from bottom to top the win dow center value is modified proportionate to the mouse movement If the mouse moves from left to right the visualization window width is modified proportionate to the movement of the mouse Zoom control When the Zoom control mode is active right click while dragging the mouse over the view If the mouse moves from bottom to top the image is enlarged in real time proportionate to the movement of the mouse If the mouse moves from top to bottom the image is reduced in real time proportionate to the movement
12. choose not to use a carrier that offers tracking or insure the product you will be responsible for any loss or damage to the product during shipping CIRS will not be responsible for lost or damaged return shipments Return freight and insurance is to be pre paid WITH RMA NUMBER ITEMS MAY BE RETURNED TO CIRS Receiving 2428 Almeda Avenue Suite 218 Norfolk Virginia 23513 USA PRODUCT WARRANTY PERIOD Model 023 03 ISO Analyze Image Analysis Software 48 Months 31 CIRS COMPUTERIZED IMAGING REFERENCE SYSTEMS INC 2428 Almeda Avenue Suite 316 Norfolk Virginia 23513 USA Toll Free 800 617 1177 Tel 757 855 2765 Fax 757 857 0523 Email admin cirsinc com www cirsinc com Technical Assistance 1 800 617 1177 92013 Computerized Imaging Reference Systems Inc All rights reserved Computerized Imaging Reference Systems Inc has been Specifications subject to change without notice fu certified by UL DOS Inc to ISO 9001 2008 Certificate Y Publication 023 03 SW UG 021114 Registration No 10000905 OMO8
13. ctivation Please enter your license activation code then click the Activate button to unlock your software Station 10 7140MX OK6IXI EYEVEO ERUUSB Automatically filled generated by ISO Analyze installation PC specific Serial number CIRS S0 201207 0102 Displayed on CD Activation code ud Obtained from the AQUILAB website during registration setup get an activation code go to http aquilab com Activate Cancel Verify that the Station ID has been automatically filled in the Activation Window Fill in the Serial Number Displayed on the CD ROM Click on Generate Activation Code Type in the Activation Code and press Activate Note To obtain activation code go to www cirs aguilab com and fol low the instructions on License Activation Window 2 IMAGE ACQUISITION 2 1 INTRODUCTION Image acquisition for complete accelerator isocenter quality assurance requires two test objects e CIRS ISO Cube Daily QA Phantom Model 023 e CIRS ISO Base 023 04 support platform for ISO Cube Daily QA Phanto necessary when MV amp kV pixel size are to be computed The image acquisition sequence proposed in this document is provided for informa tion only and may be adjusted by the user However once the acquisition sequence has been established the user should perform acquisitions in compliance with this sequence or run the risk of being unable to perform aut
14. dware requirements for the ISO Analyze Software workstation are as follows e High resolution 19 monitor e Keyboard and mouse e Central processing unit with Core Duo Dual Core processor 1GB of memory ATI or Nvidia 256 MB graphics adapter 160GB hard disk CD ROM burner O O O 1 2 SOFTWARE REQUIREMENTS The software configuration of the ISO Analyze Software workstation includes e Microsoft Windows XP Pro SP2 or later e Internet Explorer Note The software and hardware requirements are provided for documenta E tion and are subject to change without notice 1 3 DESCRIPTION ISO Analyze Software is an integrated solution that enables the isocenter quality assurance of your Linac by analyzing DICOM images acquired with the EPID de tector and OBI system CBCT Controls are run automatically analyzing CIRS ISO Cube Daily QA Phantom images and quantifying a large number of evaluation parameters ISO Analyze Software allows report generation for each tested isocen ter collimator gantry couch MV radiation 2DkV CBCT as well as MV and kV pixel size Warning ISO Analyze Software is designed to check consistency of equipment performance and can not be used for acceptance or commission of equipment 1 4 LICENSE During startup the ISO Analyze Software prompts the user to activate the license using the dialog box shown on Figure 1 License Activation Window gt License X 7 License A
15. e ce ANT AO HA AN EC NF FR 11 31 2 COuISION COMOIIONS sss acido Ro r8 di eie e ADI ER RC t had Oe ea See 12 ER LEES Se gest EE YN HF 12 3 1 2 2 2DMV images acquisition Sell fw x saat ca need oe dh wkend eed Un 14 3123 2D images aegu On os ase vex Xu xcu es oe RU ERE e CH ee 16 dq ou ipsun CONES er ardere qud Vu ERE RR A EO ETE RE NEF ee 16 DID Pianon Monat ur ekr KE SEA EN 17 23 8 ACQUISIIONSEQUGNCES a aua back gb 06 owe eee ERROR AO ERA UR A EAR d 18 3 2 RECONFIGURE A LINAC 0 ccc cece eee m m mm nmn 3 3 DELETE LINAC 2505340620044 208 coon 8 reat eens EDD OR Eh UR yd Ed dese dcn 3 4 CLOSE CURRENT LINAC EYE ERO REG eee P 3 5 CLOSE APPLICATION SOC CW Y OW eR C es OPTIONS MAIN INTERFACE 5 1 LIGHTBOX FUNCTIONALITIES FF RF ud 5 1 1 Main Window control Zoom control cessisse ns 5 1 2 Main Window control ss eese ehe Auto VOW Gad CY sae yeas sean YD DU E Y Fn I CS GALA MOOG aa DAD O CU YS GEY 5 1 5 Modification oF LUT Main LUT us y n a s tex acean UU GE OD yn GOR os E EE EE PIENE ACE PNE PI IE Eo DWR GOD RUDD EDD CDU SUDD O T UE CES IMAGE ANALYSIS 6 1 RESULTS WINDOW bau EAR Y iA GR UG Ae Ete el T deo nea ee newer RIZ ERRARE TRW 6 12 TaBe Ol eee ia eee I eee Se ee eee TOT REPORT WARRANTY 1 INTRODUCTION 1 1 HARDWARE REQUIREMENTS The minimum har
16. ed Value of Pixel size on these distances by multiplying them with the ratio between the Computed Value to Theoretical Value The report can be printed on any previously configured physical or virtual printer on the workstation by clicking on the Print button The values are grouped by parameters in a tabular format Click on the Close button to close the report Note The Date of Control displayed on the report corresponds to e the acquisition date of the oldest image analyzed in the control 30 8 WARRANTY All standard CIRS products and accessories are warranted by CIRS against defects in material and workmanship for a period as specified below During the warranty period the manufacturer will repair or at its option replace at no charge a product containing such defect provided it is returned transportation prepaid to the manufacturer Prod ucts repaired in warranty will be returned transportation prepaid There are no warranties expressed or implied including without limitation any implied warranty of merchantability or fitness which extend beyond the description on the face hereof This expressed warranty excludes coverage of and does not provide relief for incidental or consequential damages of any kind or nature including but not limited to loss of use loss of sales or inconvenience The exclusive remedy of the purchaser is limited to repair recalibration or replacement of the product at manufacturer s o
17. elect the Calculate this parameter option Note Sequence 2 of the Gantry sequence 1 of the MV Isocenter Sequence 3 of the Gantry sequence 2 of the MV Isocenter Consequence It is only necessary to acquire the considered sequence once These images can be used for both parameters 19 3 2 RECONFIGURE A LINAC The user can reconfigure each added Linac by selecting the Linac in the Linac Man agement Menu as shown in Figure 20 This will open the Linac Definition Window Linac 1 5 N 1111 Linac 2 E N Linac 3 S N 3333 Figure 20 Linac Management Menu 3 3 DELETE LINAC To delete a Linac e Open the Linac deletion window Figure 21 e Select the Linac that you want to delete e Validate gt Linac deletion Delete Close Figure 21 Linac Deletion Window The 8 icon shows that the associated Linac is already selected A selected Linac cannot be deleted see error message shown on Figure 22 o Can t delete the linac Linac 1 because it s currently opened Figure 22 Message error shown when deleting a selected Linac 20 4 3 4 CLOSE CURRENT LINAC This button closes the current Linac After this action is executed no image can be analyzed Select a Linac to analyze images Note The user must generate a report before closing the current Linac E to keep a record of the results 3 5 CLOSE APPLICATION This action closes the application Note The user must gene
18. encoded in the DICOM header Angle tolerance Tolerance between angles from the DICOM header of the images to analyze and those in the gueue by the selected acquisition Sequences Note If the Coordinate System of the Linac to be analyzed is differ ent from international standard IEC 61217 it is advisable that the user unchecks the Check the acquisition conditions box and acknowledges the warning message in order to validate the Linac as seen in Figure 16 A Coordinate System of the Linac to be analyzed different from inter national standard IEC 61217 and a checked Check the acquisition conditions box will lead to the software algorithm failing to analyze the images A more burdensome fix of such cases is for the user to use a DICOM editor to edit the DICOM tags related to angles in such a way as to match international standard IEC 61217 16 Check the acquisition cenditeonz Cannan of cendon acqumy mages m h DICOM tage Ganty Anae Rem Lining Derice ano Spot Ange Angle tolerance faz The acquisition conditions wil be unchecked The displayed results should be corrupted a wrong selection of images is made Please respect the acquisition conditions cited in the acquisition protocol and make sure that the selection of images is correct Figure 16 Message acknowledging that the angles specified in DICOM header for Gantry Angle Beam Limiting Device and Pat
19. g is complete This positioning step is critical to obtain optimal results WARNING In order to ensure accurate calculation of MV and kV pixel size it is imperative that the ISO Cube rest against the bottom face of the pocket that is machined in the center of the ISO Base 2 2 ACQUISITION 2 2 1 Pixel size of the MV detector Requires 023 04 The MV pixel size is computed from one 1 image A field size of 10x10 cm is advisable Due to the distance between Pixel Size markers in the CIRS ISO Base the field size cannot be smaller than 9 6x9 6 cm to compute this param eter Image obtained Figure 2 Typical image of the CIRS ISO Base with the CIRS ISO Cube Daily QA Phantom from the MV detector Note To compute the Pixel Size of the MV Detector parameter the CIRS ISO Cube Daily QA Phantom must be positioned on the CIRS ISO Base VA 2 2 2 Pixel size of the kV detector Requires 023 04 Keep the test object CIRS ISO Cube Daily QA Phantom in the same position used for the previous parameter A 90 gantry rotation is executed to position the XR source above the test object An image is acquired from the kV detec tor without any collimation of the XH beam Image obtained g Figure 3 Typical image of the CIRS ISO Base with the CIRS ISO Cube Daily QA Phantom from the kV detector CIRS ISO Cube Daily QA Phantom must be positioned on the CIRS Note To compute the
20. ges Parameters association type is Acquisition order 3 1 2 2 2DMV images acquisition setting e Field size in X at Isocenter in mm Field size used in X direction collimation for the images acquisition e Field size in Y at Isocenter in mm Field size used in Y direction collimation for the images acquisition Note As a reminder field sizes between 5 cm x 5 cm and 11cmx11 cm between 9 6 cm x 9 6 cm and 11 cm x 11 cm if MV Pixel size is to be calculated should be setup for image acquisitions A Linac cannot be validated with a field size outside of the 5 cm x 5 cm to 11cmx 11 cm range 2DMV images acquisition setting Field size in X at isocenter mm 49 Field size in Y at isocenter mm 100 Figure 14 Error message regarding field size value outside of recommended range Note If images were acquired with a field size larger than 4 11 cm x 11 cm there might be cases when the detected radiated field is different from what is being actually radiated due to sudden changes in values of pixels in the images being analyzed as seen in Figure 15 In such cases which are also associated with large differences between the center of ISO Cube phantom and the center of the radiated field it is advisable that a new set of images with a proper field size is acquired and analyzed 14 Figure 15 Improper detection of radiation field due to interface of ISO Cube and ISO base which introduce a
21. ient Support Angle are not checked Ol O Phantom information e Central marker type Depending on the phantom s version spec ify the central marker type used by selecting either Air cavity or Ceramic marker e Phantom serial number Specify the serial number of the phantom used for testing 17 3 1 3 Acquisition sequences 43 Linac definition v Yes Ne Figure 17 Linac Definition Window Acguisition Seguences Tab To configure each parameter there are 2 options compute or do not compute A To Compute the parameter 3 steps 1 Activate the Calculate this parameter option 2 Select the used acquisition sequence except for the Pixel size and the 2DKV Isocenter parameters 3 For each image double click on each line to specify 18 The RT Image Label if chosen in the Acquisition conditions Figure 18 D Image 05 Bi xj RT Image Label Gantry Collimator Couch Validate Cancel Figure 18 Specify the RT Image Label for each image VA Note Before activation of this option be sure that these values are encoded in the DICOM header The Index Image if Acquisition order is chosen in the Acquisi tion conditions Figure 19 D Image 05 xi Index Image Gantry Collimator Couch Validate Cancel Figure 19 Specify the Index Image for each image B Compute without the parameter 1 Des
22. ion isocenter The gantry rotation isocenter is computed with either 4 or 8 images 3 acquisi tion sequences corresponding to various gantry and collimator positions A field size of 10x10 cm is advisable The following tables describe three possible acquisition sequences Acquisition sequence 1 4 images GANTRY POSITION COLLIMATOR POSITION TABLE POSITION IMAGE 1 O O O IMAGE 2 90 O O IMAGE 3 180 O O IMAGE 4 270 O O Table 4 Configuration of acquisition sequence 1 Acquisition sequence 2 8 images GANTRY POSITION COLLIMATOR POSITION TABLE POSITION IMAGE 1 lO 0 0 IMAGE 2 0 180 0 IMAGE 3 90 0 0 IMAGE 4 90 180 0 IMAGE 5 180 0 0 IMAGE 6 180 180 0 IMAGE 7 270 0 0 IMAGE 8 270 180 0 Table 5 Configuration of acquisition sequence 2 Acquisition sequence 3 8 images COLLIN IMAGE 1 0 90 IMAGE 2 0 270 0 IMAGE 3 90 90 0 IMAGE 4 90 270 0 IMAGE 5 180 90 0 IMAGE 6 180 270 0 IMAGE 7 270 90 0 IMAGE 8 270 270 0 Table 6 Configuration of acquisition sequence 3 Note The Gantry Position corresponds to the position of the MV source Image obtained Figure 5 Typical image of the CIRS ISO Cube Daily QA Phantom for the gantry rotation isocenter parameter 2 2 5 Couch rotation isocenter The couch rotat
23. ion isocenter is computed with either 3 or 5 images corre sponding to various couch positions A field size of 10x10 cm is advisable The following tables describe two possible acquisition Sequences Acquisition sequence 1 3 images IMAGE 1 IMAGE 2 O O 0 IMAGE 3 O O 90 Table 7 Configuration of acquisition sequence 1 7 Acquisition sequence 2 5 images GANTRY POSITION COLLIMATOR POSITION TABLE POSITION IMAGE 1 O 0 270 IMAGE 2 O 0 315 IMAGE 3 O 0 0 IMAGE 4 O 0 45 IMAGE 5 O 0 90 Table 8 Configuration of acquisition sequence 2 Note he Gantry Position corresponds to the position of the MV source Image obtained Figure 6 Typical images of the CIRS ISO Cube Daily QA Phantom for the couch rotation isocenter parameter 2 2 6 MV radiation isocenter The MV radiation isocenter of the accelerator is computed with 8 images cor responding to various gantry and collimator positions A field size of 10x10 cm is advisable The following table describes two possible acquisition sequence Note Images used for sequences 2 and 3 of the gantry rotation isocenter parameter can also be used to compute the MV radiation isocen ter parameter In this case the user will not need to acquire im ages detailed below Acquisition sequence 1 8 images 8
24. n of the pixelization ef fect as displayed on Figure 29 a b Figure 29 Lightbox view a without smoothing and b with smoothing Note E e Smoothing activation applies to all images loaded tis always possible to activate or deactivate the smoothing Smoothing only applies to the display of the images and will not influence calculations 5 1 5 Modification of LUT Main LUT This option is used for applying predefined Look Up Table elements to the current view The various tables available are indicated in the list 5 1 6 Reset zoom The Reset zoom option resets the zoom in all the images of the lightbox depending on the selected option 26 5 1 7 Dump The Dump option displays the interface in Figure 30 which gathers the information contained in the DICOM header of the selected image I TET Menu 0002 0000 Group Length 192 File Meta Information Version 01 Medis Storage SOP Class UID 1 2 840 10008 5 1 4 1 1 481 1 Medis Storage SOP Instance UID 1 3 46 423632 131794 1309975958 8 0002 0010 Transfer Syntsx UID 1 2 840 10008 1 2 1 0002 0012 Implementation Class UID 1 2 250 1 59 3 0 3 5 3 0002 0013 Implementation Version Name ETIAM DCMTK 353 0002 0016 Source Application Entity Title Synergy2 0008 0008 Image ORIGINADPRIMARY PORTAL 0008 0012 Instance Creation Date 20110706 0008 0013 Instance Creation Time 201324 656000 0008 0014 Instance Crestor UID 1 3 46 423632 131794 0008 0
25. of the central visualization window value 24 e Max Moving the cursor with the mouse allows interactive adjustment of the maximum visualization window value To make adjustments to the lightbox images left click on the OK button Clicking on the Cancel button closes the window without making any modifications Create a predefined window Clicking on the button Create will open the backup window as shown in Figure 28 Then just fill in the field and click on OK to validate the creation of the new window CD New Window Adjustment Figure 28 Window Creation Window If a predefined window is already loaded it is possible to save the modifica tions by clicking on the Replace button N Note 7 e _ Clicking on Cancel button will stop the current pro cedure and trigger return to the previous window e When saving a specific window the saved values remain active for the current session 5 1 3 Auto Window The Auto Window function applies the visualization window coming from the DICOM file of the selected image if these parameters are present If the parameters are absent the window is registered to between the minimum and maximum pixel values contained in the image VA Note The Auto Window mode is selected by default when the images are loaded 25 5 1 4 Smoothing Smoothing in the lightbox is obtained by selecting the Smoothing item from the lightbox menu Smoothing aids in the eliminatio
26. omatic mode analysis from a predefined protocol collimator a gantry b and treatment table c mentioned in this document comply with the names and directives of international stan dard IEC 61217 All ISO Analyze results are calculated in IEC 61217 Coordinate System VA Note The angular positions of the moving parts of the accelerator c 2 1 1 CIRS ISO Daily QA Phantom without the ISO Base Position the CIRS ISO Cube Daily QA Phantom test object directly on the patient table Adjust the table height to bring the laser alignment marks on either side of the cube onto the side lasers of the accelera tor Adjust the positioning of the table top to bring the laser alignment marks on to the sagittal laser and the transverse la ser Check the general positioning of the test object and refine the adjustments as needed 2 1 2 CIRS ISO Cube Daily QA Phantom with the ISO Base Position the CIRS ISO Cube Daily QA Phantom on the ISO Base Then position the ISO Base on the patient table and adjust the table height to bring the laser alignment marks on either side of the cube onto the side lasers of the accelerator Adjust the positioning of the table top to bring the laser alignment marks on to the sagittal laser and the transverse laser Check the general positioning of the test object and refine the adjustments as needed WARNING Do not move or touch the test object once initial posi tionin
27. ption This warranty does not apply if the product as determined by the manufacturer is de fective because of normal wear accident misuse or modification NON WARRANTY SERVICE If repairs or replacement not covered by this warranty are required a repair estimate will be submitted for approval before proceeding with said repair or replacement RETURNS If you are not satisfied with your purchase for any reason please contact Customer Service prior to returning the product Call 800 617 1177 email rma cirsinc com or fax an RMA request form to 757 857 0523 CIRS staff will attempt to remedy the issue phone or email as soon as possible If unable to correct the problem a return material authorization RMA number will be issued Non standard or customized products may not be returned for refund or exchange unless such product is deemed by CIRS not to comply with documented order specifications You must return the product to CIRS within 20 calendar days of the issuance of the RMA All returns should be packed in the original cases and or packaging and must include any accessories manuals and docu mentation that shipped with the product The RMA number must be clearly indicated on the outside of each returned package CIRS recommends that you use a carrier that offers shipment tracking for all returns and insure the full value of your package so that you are completely protected if the shipment is lost or damaged in transit If you
28. rate a report before closing the current Linac 4 to keep a record of the results OPTIONS There are 2 configurations in the menu options shown on Figure 23 l Options Import directory z CAA4DUILABNISO ANALYZE Personalized logo for report CIRS zima POWERED BY AQUILAB OK Cancel Figure 23 Options Window Import directory This option allows the user to define the image import directory o define a directory click on delete the defined directory click on 96 Personalized logo This option allows the user to choose personal logo which will be displayed in the header of control reports o To define a personal logo click on dy O To delete a defined logo click on 2 In this case the CIRS logo will be displayed by default 21 5 MAIN INTERFACE Once the user has opened the ISO Analyze Software it offers a single interface for managing all the functionalities shown on Figure 24 List of parameters Help area Lightbox Area Frau FE ar hu Man ich Figure 24 Main Window The upper section of the interface gives access to the various functionalities of the soft ware via a series of menus The lower section contains a text field describing the currently opened study If no im ages have been loaded the field with Filename Device etc will be empty The central section of the interface is split into 3 areas e Top left This area is dedi
29. steep gradient in the values of pixels from left side of image Detector X size in mm Physical dimension X of the detec tor This information is reguired to determine the theoretical pixel size at SAD when it is not given or present in the head er of DICOM images If the pixel size is present and filled in the header of RT Image or CR images are analyzed then this information is not taken into account Detector Y size in mm Physical dimension Y of the detec tor This information is reguired to determine the theoretical pixel size at SAD when it is not given or present in the head er of DICOM images If the pixel size is present and filled in the header of RT Image or CR images are analyzed then this information is not taken into account Source Axis Distance in mm Specify the distance and its tolerance between the MV source and the MV Axis of the de vice The value entered is compared to the value entered in the tag 3002 0022 in the header of DICOM RT Image If the tag is not present or specified then the value entered by the user is then taken into account for the calculation of various parameters For CR images the value entered by the user is taken into account for the calculation of various parameters 15 7 source Image Distance in mm Specify the distance and its tolerance between the MV source and the MV detector of the device The value entered is compared to the value entered in the tag 3002 00
30. utton and choosing the Linac in the Linac selection window shows on Figure 32 If no Linac is available see 3 1 CE x Select Figure 32 Linac Selection Window If another Linac is already opened the window shown on Figure 33 will be displayed o Do you really want to select another device Figure 33 Window Confirmation to select another device e Select your images by clicking on lt yj Select nee in 2 ways e a By Directory Select the directory where images to analyze are stored e By Images Select the directory where images to analyze are store Allows individual image selection Warning Before selecting your images ensure that your Linac is correctly F e AN configured see 3 1 2 e When selecting your images ensure that they belong to the select Linac Compute e Click on The selected parameters will be automatically com puted 28 6 1 RESULTS WINDOW When results have been computed they are displayed as seen in Figure 34 The parameters computed by ISO Analyze are given with a precision from 2 to 4 decimal places Several tabs can be used Tabulated Results Results List Images Figure 34 Results Window 6 1 1 List of results The list of results refers back to the list of parameters The parameters for which computation has been performed are marked with the following symbols af Computation took place normally 2
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