MRAView User Manual - Medis medical imaging systems
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1. While editing a sculpture you can hide the axes if they get in the way by toggling the Axes toolbar button 9 You can restore the complete volume temporarily If you are editing the sculpture clear the Apply sculpture checkbox on the Properties pane If you are not editing the sculpture right click on the sculpture on the Results pane and clear the checkbox next to Apply 9 You can undo or redo an action by clicking the 5 or the button You can undo all actions by clicking the button 5 4 2Editing Sculptures You can edit the sculpture label in any state but to edit the sculpture itself you must enter its edit mode To edit sculpture text 1 2 Or On the Results pane select the sculpture On the Properties pane click the ellipsis on the right of the Label field and select a predefined label or type a custom label and press Enter On the Results pane right click on the result and select Edit Select a predefined label or type a custom label and press Enter To edit a sculpture 1 On the Results pane right click on the result and select Edit MRAView 1 1 User Manual 37 Working With MRAView 2 Follow the instructions in section 5 4 1 beginning at step 3 5 4 3Deleting Sculptures You can delete any sculpture To delete a sculpture 1 Select the sculpture in the Sculptures list on the Results pane 2 Press Delete on your keyboard or right click and select Remove2. MRAView 1 1 User Manual 11 Getting Started 3 4 4LUT Editor Pane You can create a new lookup table LUT on the LUT Editor pane A LUT transforms the grey scale values in the original image into colors which can help to visualize the data with the volume rendering 3DVR view LUT Editor Name 6 shades 5 L sss Window Level Index Opacity Reset To aid in creating a LUT a histogram is shown in grey in the chart on the LUT Editor pane This indicates how many voxels in the original image occur for each grey scale value You may choose to display the grey values in a certain range with a specific color To create a LUT you define any number of points each with its own position color and opacity To create a new point e Click anywhere on the chart except on a point To delete a point e Click on the point and press the Delete key Or e Select the point then right click on the chart and select Delete Active Point To change the color of a point e Click on the Color field to open the color picker The transition between neighboring colors is smoothed The position ranges from 0 0 to 1 0 and the opacity ranges from 0 to 100 MRAView is delivered with a set of predefined LUTs which may be modified but not saved To return a predefined LUT to its default settings MRAView 1 1 User Manual 12 Getting Started e Click the Reset button To save a modified LUT with a new name e Click
3. Browse to the license file with the non expiring license e Make sure all licenses are selected e Click Install e Click Close You are now able to see the licenses with their correct expiration date in View available licenses MIP and 3DVR images are black Some graphics adapters exhibit incompatibility with MRAView by not displaying the MIP 3DVR and LUT thumbnail images If only the 3DVR and LUT thumbnails are black see below In many cases this is also accompanied by errors related to VTK in CMS Monitor This may be resolved by having the system administrator update the graphics adapter driver Otherwise operation of MRAView using only the double oblique views DOV is still possible by disabling the option in lt Options lt Hangings lt DoubleOblique Enable hardware rendering MRAView 1 0 User Manual 51 Troubleshooting 3DVR image is black Some graphics adapters exhibit incompatibility with MRAView by not displaying the 3DVR and LUT thumbnail images although the MIP is displayed In many cases this can be resolved by disabling the option in Options lt Hangings lt DoubleOblique lt Enable hardware shading Hardware rendering disabled is displayed on the MIP 3DVR view If the option in lt Options Hangings lt DoubleOblique Enable hardware rendering is unchecked the MIP 3DVR and LUT thumbnails will not be generated Custom LUT is not saved as expected It may appear that y
4. Create a reformat E MRAView 1 1 User Manual Getting Started Icon Function B Create a radial reformat E Create a sculpture A Copy all measurement information to clipboard Image Control Toolbar Scroll through the images Zooming Swivel m Panning Alter Window width and Window Level 3 4 Workspace Panes By default the workspace displays the following panes to the right of the image view gt LUTs e Results e LUT Editor e Properties You can show or hide panes make panes float dock panes combine panes into one tabbed panel and remove panes from a panel To show or hide a pane e Select the button and choose Panes and select a pane to show it Clear its check box to hide it To show or hide all panes e Click in the toolbar or press F11 to show or hide all panes MRAView 1 1 User Manual 7 Getting Started To make a pane float e Click and drag the title bar of the pane over the area of your screen to which you want to move it To dock a pane e Double click the title bar to move a pane back to its original docked position Or 1 Click and drag the title bar of the pane to the left or right side of the workspace as shown in the picture on page 3 2 Move the pane up or down to select one of the anchor areas available As the pane approaches an anchor area the area is highlighted with a dotted line The pane can be
5. MRAView 1 1 User Manual September 2 2015 9 40 400 11 2 v4 0 Medis medical imaging systems bv Schuttersveld 9 2316 XG Leiden the Netherlands http www medis nl Medis medical imaging systems bv Medis medical imaging systems Inc Schuttersveld 9 9360 Falls of Neuse Road Suite 103 2316 XG Leiden Raleigh NC 27615 2484 P O Box 384 USA 2300 AJ Leiden The Netherlands Telephone 31 71 522 32 44 Telephone 1 919 278 7888 Fax 31 71 521 56 17 Fax 1 919 847 8817 E mail support medis nl E mail support medis nl Web www medis nl Web www medis nl MRAView 1 1 User Manual Legal Notices Copyright Notice 2013 2015 Medis medical imaging systems bv All rights reserved This manual is copyrighted and is protected by worldwide copyright laws and treaty provisions No part of this manual may be copied reproduced modified published or distributed in any form or by any means for any purpose without prior written permission of Medis medical imaging systems bv Permission is granted to freely print unmodified copies of this document as a whole provided that copies are not made or distributed for profit or commercial advantage Trademark Acknowledgments MRAView and CMS are trademarks of Medis medical imaging systems bv DICOM is the registered trademark of the National Electrical Manufacturers Association for its standards publications relating to digital communications of medical informat
6. Sculpted MRAView 1 1 User Manual 35 Working With MRAView To create a sculpture 1 Click in the toolbar or select Results Sculpture in the menu 2 Onthe Properties pane click the ellipsis on the right of the Label field and select a predefined label or type a custom label and press Enter 3 Click and drag to draw the contour The contour is automatically closed when you release the mouse button 9 Anytime a contour is active you can delete it by pressing the Delete key 4 Modify the contour as necessary e Near the existing contour click and drag an altered contour The alteration will be combined with the original Or e Right click on the contour and drag it using the rubber band tool 5 Onthe Properties pane select the desired Action With Exclude selected the mouse cursor changes to an eraser in the viewport 6 Click inside or outside the contour to perform the selected action 9 Pressing the SHIFT key before the click performs the selected action on the opposite region inside instead of outside or outside instead of inside 7 Navigate in the volume as desired MRAView 1 1 User Manual 36 Working With MRAView 8 9 e Stacking Wheel e Zooming CTRL wheel e Panning CTRL click and drag or middle click and drag e Rotate ALT click and drag e Window width and level Right click and drag Repeat steps 3 7 as necessary Click Finish on the Properties pane
7. This deletes the sculpture 5 5 Reformatting You can create a new volume based on a sampling of the existing volume at any affine transformation such as scaling rotation or translation achieved through the MRAView user interface You can also create a new volume based on a radial sampling of the existing volume 5 5 1Stack Reformatting A stack reformat is a sampling of the existing volume at the translation rotation and zoom currently displayed in the double oblique view The sampling is stored as a series of slices The sample spacing is defined as a property of the reformat MRAView 1 1 User Manual 38 Working With MRAView You can change the default properties by selecting and Options Results lt Reformat Stack reformats can be saved in DICOM format and reopened in MRAView Stack reformats can also be saved as a video in AVI format Videos must be opened with a compatible viewer 5 5 1 1 Creating Stack Reformats You may want to orient the volume before performing a stack reformat Stack reformats are listed on the Results pane To create a stack reformat 1 Click Ed in the toolbar or m and Calipers gt Reformat in the menu 2 Click in the viewport that is coplanar to the first slice Overlay graphics appear that indicate the initial geometry of the stack The lower right viewport switches to the Stack view and shows the reformatted slices 3 On the Properties pane click the ellipsis on the righ
8. Distance measurements are displayed in the Image View and listed on the Results pane To measure a distance 1 Click in the toolbar or press the D key or select Results Distance Measurement in the menu 2 Click and drag in the image from the start point of the measurement to the end point 3 Select a predefined label or type a custom label and press Enter 4 Click and drag either arrowhead or the text to adjust the points of the image between which you want to measure 5 Click outside the measurement The graphic changes to white indicating it has left edit mode This adds the measurement to the Measurement list in the Results pane At any time while the measurement is still active you can press Esc to remove the measurement 5 2 1 2 Editing Distance Measurements You can modify the text and location of distance measurements that were added previously To edit distance measurement text 1 On the Results pane select the result 2 Onthe Properties pane click the ellipsis on the right of the Label field and select a predefined label or type a custom label and press Enter MRAView 1 1 User Manual 30 Working With MRAView Abdominal MRA gt Chest MRA 2 Or 1 On the Results pane right click on the result and select Edit 2 Select a predefined label or type a custom label and press Enter To edit distance measurement end points 1 Click the distance measurement graphic 2 Click and dra
9. but neither can be reopened in MRAView Videos must be opened with a compatible viewer 5 5 2 1 Creating Radial Reformats You may want to orient the volume before performing a radial reformat Radial reformats are listed on the Results pane To create a radial reformat 1 Click in the toolbar or select m and Calipers Reformat Radial in the menu 2 Click in the viewport where you want to view the radial spoke pattern Overlay graphics appear that indicate the initial geometry of the reformat The lower right viewport switches to the Stack view and shows the reformatted slices 3 Onthe Properties pane click the ellipsis on the right of the Label field and select a predefined label or type a custom label and press Enter MRAView 1 1 User Manual 44 Working With MRAView 4 Adjust other properties as necessary see sections 5 5 2 2 and 5 5 2 3 You can also position the overlay graphics with the mouse or modify the size using the circular grip handles The currently displayed slice in the Stack view is updated for each change 5 Click Finish on the Properties pane The remaining slices for the Stack view are calculated 5 5 2 2 Radial Reformat Interactive Graphics When a radial reformat is active you can manipulate the interactive graphics in several ways hn When the Pointing mouse cursor is visible you can translate the volume on any double oblique viewport MRAView 1 1 User Manual 45 Working Wit
10. 3Deleting Annotations You can delete any annotation that was added to a viewport To delete an annotation e Click the annotation graphic and press Delete Or 1 Select the annotation in the Annotations list in the Results pane 2 Press Delete on your keyboard or right click and select Remove This deletes the annotation 5 2 Measurements This section covers the following topics e Creating editing and deleting distance measurements and e Creating editing and deleting area measurements 5 2 1Distance Measurements You can measure the distance from one point to another When you have measured a distance you can modify the annotation and the end points of the measurement You can change the default text label graphics color and arrowhead style by selecting and Options Results Distance measurement The new graphics color and arrowhead style are applied to existing distance measurements 9 When you navigate to another location in the volume your measurement may not be displayed on the double oblique viewport This is because the points between which you measured do not lie on the currently visible slice To see your measurement again right click on the measurement on the Results pane and select Locate or double click on the measurement on the Results pane MRAView 1 1 User Manual 29 Working With MRAView 5 2 1 1 Creating Distance Measurements You can add distance measurements to a viewport for analysis
11. 5 6 1 Saving Results to File System cece eceec esc e eee ee eee eee eene enne 48 5 6 2 Saving Results to Enterprise Solution esee 49 5 6 3 Finishing and saving the SCSSION sceeceeceee cece eee ee eee eeeeeeeeseeeenes 49 6 Audit Trailihg 5 2 0 50 MRAView 1 1 User Manual IX 6 1 Viewing Audit 50 TROUBLESHOOTING Sesma E E E E EEE 51 7 Uum ce 51 0 eoa 53 8 Shortcut Keys reme IRIS 53 MRAView 1 1 User Manual X Introduction 1 About MRAView MRAView is the Medis software solution for the visualization of magnetic resonance angiography MRA images It provides intuitive tools for manipulating MRA images displaying MRA images in 2D and 3D and provides tools for easy and quick measurements This software solution offers quantification results that enable interventional cardiologists and radiologists to review MR angiograms and it provides a solid basis for the assessment of new therapies e MRAView must be used by qualified medical personnel or trained technicians If the analysis results are used to reach a diagnosis the results must be interpreted by a qualified medical professional MRAView should not be used for purposes other than those indicated in the section Intended Use and the section Indications for Use 1 1 More Information You can find background information in a number of additional documents These are available in the Documents fold
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13. a predefined label or type a custom label and press Enter Or annotations measurements and snapshots only 1 On the Results pane right click on the result and select Edit 2 Select a predefined label or type a custom label and press Enter To modify the other properties of a reformat or sculpture 1 On the Results pane right click on the reformat or sculpture and select Edit 2 On the Properties pane modify the properties MRAView 1 1 User Manual 10 Getting Started 3 4 3LUTs Pane The LUTs pane displays the available LUTs as thumbnails of the volume rendering 3DVR view Use the LUTs pane to select another LUT to apply to the 3DVR view 16 colors 5 ramps 6 shades Cardiac 2 LUTs LUT Editor The LUTs pane has a context menu which you can access by right clicking on a thumbnail From the context menu you can set the selected LUT as the default save the selected LUT with a new name or if the LUT is not one of the standard LUTs delete the selected LUT To set the selected LUT as the default e Right click on the desired LUT and select Set As Default The default LUT is the LUT first used when MRAView starts To save the selected LUT with a new name 1 Right click on the desired LUT and select Save As 2 Type the name of the new LUT and click OK To delete the selected LUT e Right click on the desired LUT and select Delete Or e Click on the desired LUT and press the Delete key
14. and out The current zoom factor is displayed on the scale overlay graphics in each viewport The value above the scale is the physical size of the scale The number below the scale indicates the relative zoom 100 means one display pixel equals one acquisition voxel 4 1 3 Panning You can move the image within the viewport left right up and down using Panning when you see the Hand cursor v To pan the image e Press and hold the CTRL key then click and drag the mouse in any direction Or e Middle click and drag the mouse in any direction Or 1 Select Panning from the context menu 2 Click and drag the mouse in any direction 4 1 4Swivel You can rotate the volume about the axes using Swivel when you see the Rotate cursor y To swivel about an axis e Press and hold the ALT key then click and drag the mouse in any direction Or 1 Select Swivel from the context menu 2 Click and drag the mouse in any direction The volume rotates around the axis red green or blue perpendicular to the direction of mouse movement MRAView 1 1 User Manual 22 Getting Started 4 1 5 Window Width and Level You can adjust the window width and level WWL when you see the WWL cursor To adjust the window width and level e Right click and drag o Right or left to increase or decrease the width o Up or down to increase or decrease the level Or e Click on the window width or level interactive graphics and drag u
15. and reformats to a location on your system or network For snapshots the file formats that you can choose from are BMP DICOM JPEG and PNG For reformats the file formats that you can choose from are DICOM and AVI To save a snapshot to the file system 1 On the Results pane right click on a snapshot and select Export to This opens the Export file dialog Select the location where you want to save the snapshot Type a name for the file in the File name field Select the file type BMP DICOM JPEG or PNG from the Save as type drop down list Click Save 9 You can change the default location to which the files are saved by selecting and choose Options General Export path To save a reformat to the file system 1 On the Results pane right click on a reformat and select Export to This opens the Export file dialog Select the location where you want to save the reformat Type a base name for the files in the File name field For DICOM file type this is a base name to which is appended a number per DICOM file Select the file type from the Save as type drop down list e DICOM The volume is saved as DICOM e AVI stack Exports all the reformatted slices in the active time point AVI time resolved Exports the center slice from all time points Click Save 9 You can change the default location to which the files are saved by selecting m and choose Options General Export path You can also sel
16. graphics and type a specific value into the entry field 3 5 2MIP 3DVR and Stack Views You can toggle the lower right viewport among several different representations By default the maximum intensity projection MIP of the entire volume is displayed You can change the lower right viewport to the volume rendering 3DVR view or when a reformat has been performed to the Stack view The MIP and 3DVR views are enabled by default with the option and choose Options lt Hangings DoubleOblique Enable hardware rendering If this option is unchecked the MIP 3DVR and LUT thumbnails will not be generated To toggle among MIP 3DVR and Stack views e Click the overlay graphic in the lower right viewport MRAView 1 1 User Manual 16 Getting Started Or e Right click the overlay graphic in the lower right viewport and select the view from the context menu 1 Click the lower right viewport to select it 2 Successively press the space bar or the backspace key 3 5 3Multi Time Point Image View You can display images with multiple time points When such an image is loaded additional overlay graphics are displayed TP The time point Total number of time points TD Trigger delay MRAView 1 1 User Manual 17 Getting Started You can move forward or backward in time in several ways To move forward or backward in time e Click EI or 2 on the Viewing toolbar to move to the previo
17. used in a clinical setting on MR images of an individual patient they can be used to support the clinical decisions making for the diagnosis of the patient or the evaluation of the treatment applied In this case the results are explicitly not to be regarded as the sole irrefutable basis for clinical diagnosis and they are only intended for use by the responsible clinicians Warning When the quantified results provided by MRAView are used in a clinical setting they are explicitly not to be regarded as the sole irrefutable basis for clinical diagnosis and they are only intended for use by the clinicians responsible Note on Monitor Aspect Ratio and Resolution The shapes of objects and calipers displayed may get slightly distorted when the resolution is set to an aspect ratio different than the monitor s physical aspect ratio This distortion does NOT affect the accuracy of measurements or analyses To avoid distortion set the resolution of the monitor to an aspect ratio equal to the physical aspect ratio LCD monitors typically operate best at their native resolution Microsoft Windows recommends a resolution when it has sufficient information to do so MRAView 1 1 User Manual IV European Regulations MRAView is qualified as a class lla medical device It complies with the requirements of the Dutch Medical Devices Decree Besluit Medische Hulpmiddelen Stb 243 1995 and the European Medical Device Directi
18. 1 1 User Manual 13 Getting Started 3 5 1Double Oblique View The three viewports highlighted below collectively called the double oblique view DOV are always displayed They show the volume from three perpendicular points of view 3 5 1 1 Slabs Each double oblique image is a maximum intensity projection MIP minimum intensity projection MinIP or Average image from a slice through the volume called a slab The slab thickness is displayed in the upper right corner of each double oblique viewport You can change the projection method performed on each slab among MIP MinIP and Average The MIP displays the maximum voxel value through the slab the MinIP displays the minimum voxel value through the slab and the Average displays the average voxel value through the slab To toggle among MIP MinIP and Average Click the overlay graphic in a double oblique viewport MRAView 1 1 User Manual 14 Getting Started You can change the thickness of the slab from which each double oblique image is generated To change the double oblique slab thickness e Click the dashed segment of one axis and drag up or left to increase the slab thickness or in the opposite direction to decrease the thickness Or e Click the Slab interactive overlay graphics and drag up or down to increase or decrease the thickness MRAView 1 1 User Manual 15 Getting Started Or e Right click the Slab interactive overlay
19. 1 User Manual 42 Working With MRAView Show graphics When checked shows the graphics overlay in the Image View Apply to all time points When checked the reformat is applied for all time points 5 5 1 4 Editing Stack Reformats You can modify the properties of a stack reformat after creating it To edit a stack reformat 1 Right click on the stack reformat on the Results pane and select Edit 2 Modify the properties on the Properties pane as needed Or Click and drag the interactive graphics on the double oblique view 3 Click Finish on the Properties pane The remaining slices for the Stack view are calculated 5 5 1 5 Deleting Stack Reformats You can delete any stack reformat that was created To delete a stack reformat 1 Select the stack reformat in the Reformats list on the Results pane 2 Press Delete on your keyboard or right click and select Remove This deletes the stack reformat 5 5 2Radial Reformatting A radial reformat is a radial sampling of the existing volume at the translation rotation and zoom currently displayed in the double oblique view The sampling is stored as a series of radially spaced slices The sample spacing is defined as a property of the reformat MRAView 1 1 User Manual 43 Working With MRAView You can change the default properties by selecting 4 and Options Results Radial reformat Radial reformats can be exported in DICOM format or as a video in AVI format
20. Ctrl Shift Panning Ctrl Panning Ctrl Window Level Window Level Stack MIP and 3DVR 9 The default action of the left mouse button can be changed with the option m and Options Hangings DoubleOblique Left Mouse Button Default Action Stack or MIP and VR 4 2 1Rotate You can rotate the volume rendering in 3D space using Rotate when you see the Rotate cursor Gy To rotate e Press and hold the ALT key then click and drag the mouse in any direction Or 1 Select Rotate from the context menu 2 Click and drag the mouse in any direction The volume rotates around the axis perpendicular to the direction of mouse movement 4 2 2Zooming You can zoom in and out of the viewport using Zooming when you see the Magnify cursor Q To zoom in and out e Press and hold the CTRL key while turning the mouse wheel Or e Press and hold SHIFT CTRL then click and drag the mouse up and down Or e Stack only Click and drag on the interactive labels of the scale overlay graphics MRAView 1 1 User Manual 24 Getting Started Or e Stack only Click on the interactive labels of the scale overlay graphics to zoom in Right click on the interactive labels to zoom out Or 3 Select Zooming from the context menu 4 Click and drag the mouse forward and backward to zoom in and out 9 The current zoom factor is displayed on the scale overlay graphics in the Stack viewport The value above the scale is the physical siz
21. P view and 3DVR view 26 MRAView 1 1 User Manual Working with MRAView 5 Results Results are the work products that you can produce with MRAView In this application the results you can create include Annotations Distance measurements Area measurements Snapshots Sculptures to remove extraneous information Reformats in a rectangular format Reformats in a radial format and You can save all the results by various means MRAView is delivered with a default set of predefined result labels The predefined labels can be modified in the file MRAViewProcedureLabels xml found in your application data folder 5 1 Annotations This chapter covers adding editing and deleting annotations You can change the default text label graphics color and arrowhead style by selecting 0 and Options Results Text annotation The new graphics color and arrowhead style are applied to existing annotations 5 1 1Adding Annotations You can add annotations to a viewport to mark it for analysis or to draw attention to specific details Annotations are displayed in the Image View and listed on the Results pane MRAView 1 0 User Manual 27 Working With MRAView When you navigate to another location in the volume your annotation may not be displayed on the double oblique viewport This is because the point to which the annotation refers does not lie on the currently visible slice To see your annotation again right
22. and select Locate or double click on the snapshot on the Results pane 5 3 1Creating Snapshots You can create a snapshot of the current state of any viewport To save a snapshot 1 Click in the toolbar or press the S key or select Results Snapshot in the menu 2 Click the viewport that you want to save as a snapshot 3 Onthe Properties pane click the ellipsis on the right of the Label field and select a predefined label or type a custom label and press Enter 5 3 2Deleting Snapshots You can delete any snapshot that was created To delete a snapshot 1 Select the snapshot in the Snapshots list on the Results pane MRAView 1 1 User Manual 34 Working With MRAView 2 Press Delete on your keyboard or right click and select Remove This deletes the snapshot 5 4 Sculpting You can remove extraneous information from the volume using sculpting This can help draw attention to the subject of interest Once created you can later modify a sculpture Sculptures are usually saved as part of a reformat You can change the default text label by selecting and Options Results lt Sculpture 5 4 1Creating Sculptures Sculpting is done by drawing a 2D contour which is then projected through the volume Thus it can be useful to first orient the volume strategically before drawing the contour You can then remove or restore the voxels inside or outside the contour Original with sculpture contour
23. ard The result label and value s are copied to the clipboard 5 2 2 4Deleting Area Measurements You can delete any area measurement that was added to a viewport To delete an area measurement e Click the area measurement graphic and press Delete Or 1 Select the area measurement in the Measurements list on the Results pane 2 Press Delete on your keyboard or right click and select Remove This deletes the area measurement 5 3 Snapshots You can save snapshots as evidence of a diagnosis Snapshots are displayed on the Properties pane and are listed on the Results pane When a snapshot is created you can modify the name at any time A snapshot can be exported as described in section 5 5 2 5 MRAView 1 1 User Manual 33 Working With MRAView You can change the default text label by selecting m and Options Results Snapshot A snapshot contains by default all graphics elements but no text You can also include all text for future snapshots by checking the option and Options lt Results Snapshot Include overlay text 9 When you navigate to another location in the volume the annotations and measurements shown in the snapshot may not be displayed on the double oblique viewport This is because the points at which the annotations and measurements were created do not lie on the currently visible slice To return to the same slice where a snapshot was created right click on the snapshot on the Results pane
24. ate Edit Export Export to sculptures Copy to Clipboard Sculpture 01 Remove Reformats Reformat 01 Reformat Rac Locate The volume is rotated to the orientation at which the result was originally performed Locate may be grayed out You can make this menu item active by canceling or finishing the active procedure Edit The Properties pane is activated You can modify the properties Save The result is saved to the system Results that are saved as opposed to exported can be loaded back into MRAView This option is only available for systems where MRAView is integrated Export The result is exported to the system Results that are exported as opposed to saved cannot be loaded back into MRAView MRAView 1 1 User Manual Getting Started This option is only available for systems where MRAView is integrated Export to You are prompted to select a file path after which the snapshot is exported to disk Copy to Clipboard The result label and value if applicable are copied to the clipboard Remove The result is deleted 3 4 2Properties Pane The Properties pane shows the properties of the selected result You can always modify the Label but you must activate a reformat or sculpture to view or modify their other properties To modify a Label 1 On the Results pane select the result 2 On the Properties pane click the ellipsis on the right of the Label field and select
25. ck on the measurement on the Results pane and select Locate or double click on the measurement on the Results pane 5 2 2 1 Creating Area Measurements To measure an area 1 Click in the toolbar or press the A key or select Results lt Area Measurement in the menu 2 Click and drag to draw the area The contour is automatically closed when you release the mouse button 3 Modify the contour as necessary see Editing Area Measurements below 4 n the Properties pane check Area or Circumference to display either or both measurements 5 Click outside the contour The graphic changes to white indicating it has left edit mode This adds the measurement to the Measurement list in the Results pane At any time while the measurement is still active you can press Esc to remove the measurement MRAView 1 1 User Manual 32 Working With MRAView 5 2 2 2 Editing Area Measurements To modify the contour 1 Click the contour to make it active 2 Near the existing contour click and drag an altered contour The alteration will be combined with the original Or Right click on the contour and drag it using the rubber band tool 3 Click outside the contour The graphic changes to white indicating it is no longer in edit mode 5 2 2 3 Copying Area Measurements You can copy an area measurement to the clipboard To copy an area measurement e Onthe Results pane right click on the result and select Copy to Clipbo
26. click on the annotation on the Results pane and select Locate or double click on the annotation on the Results pane To add an annotation 1 Click EAS in the toolbar or select Results gt Text Annotation in the menu 2 Click and drag in the image to draw the arrow 3 Select a predefined label or type a custom label and press Enter 4 Click and drag the arrowhead or the text to adjust the exact location of the image that you want to mark 5 Click outside the annotation The graphic changes to white indicating it has left edit mode This adds the annotation to the Annotations list in the Results pane At any time while the annotation is still active you can press Esc to remove the annotation 5 1 2Editing Annotations You can modify the text and location of annotations that were added previously To edit annotation text 1 Onthe Results pane select the result 2 Onthe Properties pane click the ellipsis on the right of the Label field and select a predefined label or type a custom label and press Enter Abdominal MRA gt Chest MRA d Or 1 On the Results pane right click on the result and select Edit 2 Select a predefined label or type a custom label and press Enter MRAView 1 1 User Manual 28 Working With MRAView To edit the annotation location 1 Click the annotation graphic 2 Click and drag the arrowhead or the text to adjust the exact location of the image that you want to mark 5 1
27. combined with another pane or inserted separately 3 When the anchor area of your choice appears highlighted release the mouse button This moves the pane to the selected position To combine panes into one tabbed panel e Click and drag the title bar of the pane to the title bar of the pane with which you want to combine it This creates a panel You can dock all panes into a panel To remove panes from a panel e Click and drag the title bar of the pane away from the panel To reset the panel layout e Select the button 4 and choose View Reset Layout from the menu or press F6 3 4 1Results Pane The Results pane lists the results of actions performed on the volume annotations measurements snapshots reformats and sculptures MRAView 1 1 User Manual Getting Started Results yp Annotations BC Text Annotation 01 yp Measurements L Distance 01 108 7 mm Area 01 73 94 cm 320 7 mm rv Snapshots n4 v 5 pshot 1 rs Reformats Reformat 01 Reformat Radial 02 Sculptures Sculpture 01 You can collapse and expand the branches of the tree by double clicking the top level nodes You can right click a result to perform actions on the result Depending on the type of result you will get a context menu with several options Results D Annotations BC Text Annotation 01 Measurements L Distance 01 106 7 mm Area 01 79 65 cm 33 Snapshots Snapshot 0 Loc
28. e of the scale The number below the scale indicates the relative zoom 100 means one vertical display pixel equals one acquisition voxel 9 You can reset the zoom factor to 100 by clicking the middle mouse button over the zoom interactive graphics 4 2 3Panning You can move the image within the viewport left right up and down using Panning when you see the Hand cursor 0 To pan the image e Press and hold the CTRL key then click and drag the mouse in any direction Or e Middle click and drag the mouse in any direction Or 1 Select Panning from the context menu 2 Click and drag the mouse in any direction 4 2 4Window Width and Level You can adjust the window width and level WWL in two ways when you see the WWL cursor t To adjust the window width and level e Right click and drag e Right or left to increase or decrease the width e Up or down to increase or decrease the level MRAView 1 1 User Manual 25 Getting Started Or 1 Select Window Level from the context menu 2 Click and drag Right or left to increase or decrease the width Up or down to increase or decrease the level 9 The current window width and level are displayed in the lower right overlay graphics 9 The 3DVR window width and level can also be adjusted on the LUT Editor 9 You can reset the window width and level by pressing the 1 key Different window width and level values are maintained for the double oblique view MI
29. e viewport The selection in the context menu defines what the click and drag mouse function does v Stacking Alt Shift Zooming Ctri Shift Panning Ctrl Swivel Alt Window Level 9 The default action of the left mouse button can be changed with the option select E and Options Hangings DoubleOblique Modify Left Mouse Button Default Action DOV 4 1 1Stacking You can move into and out of the viewport slices using Stacking when you see the Stack cursor w To move in and out e Scroll the mouse wheel Or e Press and hold ALT SHIFT then click and drag the mouse up and down Or 1 Select Stacking from the context menu 2 Click and drag the mouse forward and backward to scroll through the slices With either technique if scrolling reaches either end it will stop at the first or last slice 4 1 2Zooming You can zoom in and out of the viewport using Zooming when you see the Magnify cursor Q To zoom in and out e Press and hold the CTRL key while turning the mouse wheel Or e Press and hold SHIFT CTRL then click and drag the mouse up and down Or e Click and drag on the interactive labels of the scale overlay graphics MRAView 1 1 User Manual 21 Getting Started Or e Click on the interactive labels of the scale overlay graphics to zoom in Right click on the interactive labels to zoom out Or 1 Select Zooming from the context menu 2 Click and drag the mouse forward and backward to zoom in
30. ect whether to create a subfolder automatically MRAView 1 1 User Manual 48 Working With MRAView 5 6 2Saving Results to Enterprise Solution If your system is configured to work with Enterprise Solution you can save snapshots and reformats to Enterprise Solution Snapshots will be included in the results section of the current study reformats will be included as new series in the current study You can change the title address and port number by selecting m and choose Options General and entering new values under Remote DICOM Node Settings Store SCP Click Test to verify that your settings are configured correctly Remote DICOM Rode Settings Store SCP To save a snapshot or reformat to Enterprise Solution e On the Results pane right click on a snapshot or reformat and select Save To save all snapshots or all reformats to Enterprise Solution e Onthe Results pane right click on the Snapshots group or the Reformats group and select Save 5 6 3Finishing and saving the session When you have finished with MRAView press the save session button on the Medis Suite if you choose to Save any results For a detailed description on stopping a Medis Suite session refer to the Medis Suite Quick Start User Manual MRAView 1 1 User Manual 49 Working With MRAView 6 Audit Trailing Audit trailing is used to log a number of user activities in MRAView such as starting or closing MRAView and export
31. elected action on the opposite region inside instead of outside or outside instead of inside Your issue was not resolved in this troubleshooting section You may find it useful to run the CMS Monitor diagnostic tool click Start All Programs Medis System Tools CMS Monitor 3 5 and view the messages displayed If the logged messages do not resolve your problem click on the Send button in CMS Monitor to send relevant information to the Medis help desk Additional contact information can be found by clicking Help About MRAView 1 1 User Manual 52 Reference 8 Shortcut Keys When you are working with MRAView you can use several combinations of keys on your keyboard and mouse actions to quickly perform the following tasks Press To General F1 Access the user manual CTRL G Open the Medis website CTRL X Close MRAView Alt F4 Close MRAView Layout F6 Reset toolbar and workspace window pane layout F10 Expand the currently selected viewport SPACE Toggle among MIP 3DVR and Stack view with the lower right viewport selected BACKSPACE Toggle in reverse order among MIP 3DVR and Stack view with the lower right viewport selected F11 Show or hide the workspace window panes Results D Create a distance measurement A Create an area measurement MRAView 1 0 User Manual 53 Reference Press To S Create a snapshot Esc Stop ed
32. er on the MRAView CD and in the Documents folder in the MRAView installation directory on your system or network MRAView 1 0 User Manual 1 Introduction 2 Support Medis is committed to offering high quality products and services If you have questions about the software or if you would like to make suggestions for improvements in the software or in the documentation please contact the Medis helpdesk If you contact the Medis helpdesk by e mail mention the name of the software and the version number in the subject field To look up the version number of your software select Help About in the menu bar North America and South America Medis medical imaging systems Inc E mail support medis nl Telephone 1 919 278 7888 working days 9 00 17 00 EST Europe Africa Asia and Australia Medis medical imaging systems bv E mail support medis nl Telephone 31 71 522 32 44 working days 9 00 17 00 CET MRAView 1 1 User Manual Getting Started 3 The MRAView Workspace This chapter covers the following topics e overview e toolbars e workspace panes e image view 3 1 Overview The main workspace consists of toolbars multiple workspace panes and the image view Toolbars Workspace rA xo You can customize the main workspace by hiding or moving the workspace panes and toolbars Any changes that you make to the main workspace are saved on a per user basis for future sessi
33. g either arrowhead to adjust the points in the image between which you want to measure 5 2 1 3 Copying Distance Measurements You can copy a distance measurement to the clipboard To copy a distance measurement e Onthe Results pane right click on the result and select Copy to Clipboard The result label and value are copied to the clipboard 5 2 1 4Deleting Distance Measurements You can delete any distance measurement that was added to a viewport To delete a distance measurement e Click the distance measurement graphic and press Delete Or 1 Select the distance measurement in the Measurements list on the Results pane 2 Press Delete on your keyboard or right click and select Remove This deletes the distance measurement MRAView 1 1 User Manual 31 Working With MRAView 5 2 2Area Measurements You use the area measurement tool to draw and measure 2D areas When you have measured an area you can modify the area contour or annotation You can change the default text label graphics color and which measurements are displayed by selecting and Options Results Area measurement The new graphics color is applied to existing area measurements When you navigate to another location in the volume your measurement may not be displayed on the double oblique viewport This is because the 2D plane on which you measured the area is not coplanar with the currently visible slice To see your measurement again right cli
34. h MRAView Using the scroll wheel in the radial double oblique view or the Stack view in the lower right viewport you can scroll through the current set of slices The position of the slice is indicated by the yellow line and index in the radial double oblique view 5 5 2 3 Radial Reformat Properties You can edit the properties of a radial reformat while creating it or afterward by right clicking on the radial reformat on the Results pane and selecting Edit Properties Label Reformat Radial 01 Method Projection method Ma Rows x Columns Field Of View mm Slice count Slice thickness mm 3 v Enable square field of view v Show graphics Apply to all time points Cancel Finish Label The text label for this reformat Click the ellipsis to choose from a list of predefined labels or type a custom label Method The method Radial used to generate this reformat This cannot be changed Projection method The projection method Maximum Intensity default Minimum Intensity or Average Intensity for this reformat MRAView 1 1 User Manual 46 Working With MRAView Rows x Columns The number of voxel rows and columns for each slice of the reformat If Enable square field of view is checked the format is restricted to square slices Field of View mm Physical size of each slice Slice count Number of slices The slices are always equally spaced over 360 Slice thickness mm Physical thickness
35. ick on the double bar grip handle of the toolbar and drag it You can now move the toolbar to any location in the main window or outside of the application Simply click and drag the toolbar to its new position The position of the toolbar is saved for a next session when you close the application To show or hide a toolbar Select the toolbars menu by right clicking any space in the toolbar This context menu will appear 1 Select the mM and Toolbars 2 Select a check box to show the toolbar clear a check box to hide the toolbar Or 1 Right click in the toolbar area This opens a context menu 2 Select a check box to show the toolbar clear a check box to hide the toolbar The state of the toolbars is saved on a per user basis for future sessions when you close the application MRAView 1 1 User Manual 5 Getting Started Icon Function General Toolbar Go to the initial view state yu Show or hide the workspace Show or hide the axes Movie Toolbar Go to the previous time point Go to the next time point Set to the first time point Set to the last time point Stop the movie Play the movie forward Play the movie backward eee Moderate the speed of the movie z M n c 4 o 5 o D Create a distance measurement Create an area measurement Create an annotation Create a snapshot
36. ing data Audit trailing is usually implemented in an organization as part of a set of measures that need to ensure the security and privacy of patient and study data These measures may be required in order for your organization to comply with a national standard such as the Health Insurance Portability and Accountability Act HIPAA or to comply with the requirements of the organizations for which it works If audit trailing has been implemented in your organization MRAView logs audit trail messages either on your system or on a system in your network For instructions on configuring audit trailing or changing the configuration refer to the CMS Audit Manager User Manual CMS Audit Manager is one of the Medis System Tools This chapter explains how you can view audit trails also referred to as log files 6 1 Viewing Audit Trails You can view audit trails if they are stored on a system for which you have system administrator rights To view an audit trail 1 Log on to the system with system administrator rights 2 From the Start menu select All Programs gt Medis System Tools gt CMS Audit Manager 1 2 3 In the CMS Audit Manager look up the location of the audit trail in the Audit trail logging box under Enable logging of audit trail messages 4 Inthe file system browse to the specified location You can open the log files with a text editor MRAView 1 1 User Manual 50 Troubleshooting 7 Troubleshooting Fl
37. ion Microsoft Windows Windows XP Windows 7 and Windows 8 are either registered trademarks or trademarks of Microsoft Corporation in the United States and or other countries All other brand product and company names mentioned in this document are trademarks or registered trademarks of their respective owners MRAView 1 1 User Manual Regulatory Information Intended Use MRAView is software intended to be used for the visualization and analysis of MR images of the heart and blood vessels This includes e double oblique review of MR Angiographic images e 3Dreview by means of MIP and volume rendering e 3Dreformatting of MR Angiographic images and e performing caliper measurements The measurements are based on contours that are manually drawn by the clinician or trained medical technician who is operating the software The analysis results obtained with MRAView are intended for use by cardiologists and radiologists e to support clinical decisions concerning the heart and vessels and e to support the evaluation of interventions or drug therapy applied for conditions of the heart and vessels Indications for Use MRAView is indicated for use in clinical settings where validated and reproducible quantified results are needed to support the visualization and analysis of MR images of the heart and blood vessels for use on individual patients with cardiovascular disease When the quantified results provided by MRAView are
38. iting the result Delete Delete the currently selected result SHIFT Delete Delete all results Navigation Controls Wheel Stacking SHIFT ALT click and drag Stacking CTRL Wheel Zooming SHIFT CTRL click and drag Zooming CTRL click and drag Panning Middle click and drag Panning ALT click and drag Swivel double oblique or rotate MIP 3DVR Right click and drag Window width and level Viewing Controls Reset the window width and level CTRL K Show or hide the axes ALT right click Hide the overlay graphics Arrow left Display the previous time point MRAView 1 1 User Manual 54 Reference Press To Arrow right Display the next time point MRAView 1 1 User Manual 55
39. l wheel Keyboard SHIFT click Press and hold down the SHIFT key on your keyboard while you click a button or object CTRL K Press and hold down the CTRL key on your keyboard while you press K then release both keys This example shows or hides the axes Typographical Conventions On the Annotations node of the Names of buttons fields menus menu options and tab names Results window are capitalized and in bold Results gt Text Annotation A sequence of menu options that you select to perform a specific task is indicated by angular brackets Label Aortic root Text that you type or that appears on the screen such as annotation labels is displayed in Courier New MRAView 1 1 User Manual VI Symbols Used 6 Tip Provides helpful information or an alternative working method Note Brings additional information to your attention Caution Tells you to be careful when performing a task Warning Warns you for a potentially dangerous situation in the image representation or analysis which may lead to incorrect results You are advised to follow the instructions to avoid this MRAView 1 1 User Manual VII Table of Contents INTRODUCTION oun D 1 1 ABo t MRAVI W 1 1 1 Mor Infotmatioh uos 1 2 I i elgde T M 2 GETTING STARTED 1 42 3 3 The MRAView 3 3 1 OVerview esses x ER RNV ER EQUES RIEN OR
40. n each viewport also indicate orientation Each color axis appears on two viewports forming a plane red green and blue To show or hide the axes e Click 8 in the toolbar or press CTRL K or select and choose Show Hide Axes in the menu You can navigate through the volume in many different ways The primary method of navigation is to click and drag the axes or rotate the axes The axes are re centered in the viewport after translating them To center the image at a new location 1 Move the mouse to the axes center The mouse cursor changes to the Move cursor 2 Click and drag the axes to the desired location MRAView 1 1 User Manual 19 Getting Started By default the axes are re centered in that viewport To disable auto centering select m and Options Hangings DoubleOblique Deselect Enable auto center 9 To drag the axes vertically press the Ctrl key after pressing the mouse key then drag 9 To drag the axes horizontally press the SHIFT key after pressing the mouse key then drag To rotate the image about the center of the axes 1 Move the mouse to a circular grip at the end of one axis The mouse cursor changes to the Rotate cursor A 2 Click and drag the axes to the desired angle MRAView 1 1 User Manual 20 Getting Started You can also select from one of several navigation methods on the left mouse button Each method is available from the context menu of the double obliqu
41. oating license error after a crash of the software In a floating license setup licenses will be returned to the license server when MRAView is closed In case of an MRAView software crash the licenses will not be returned and remain locked on the license server Restarting MRAView will give a warning that the licenses are not available To solve this issue you have to wait at most 2 minutes before you can start the software again The license server checks every 2 minutes if the claimed licenses are still in use on the client machine If the licenses are not in use the license server will release the licenses Expiration date not updated after installing non expiring license When you install a temporal license with CMS License Manager the license will be given an expiration date You can see this expiration date in View available licenses in CMS License Manager When you install a non expiring license after you installed the temporal license the expiration date is not updated To see the correct expiration date of your licenses you have to delete the expiring license before you install the non expiring license You can do this with the following steps e Start CMS License Manager click Start gt All Programs gt Medis System Tools gt CMS License Manager 2 5 Click Advanced e Click Delete licenses e Select all the expiring licenses e Click Delete e Click Close e Click Close e Click Install an additional license
42. of each slice The projection method is performed over this thickness Enable square field of view When checked default the field of view is forced to be square To improve compatibility with other applications images saved with a non square field of view are padded to produce a square image Show graphics When checked shows the graphics overlay in the Image View Apply to all time points When checked the radial reformat is applied for all time points 5 5 2 4 Editing Radial Reformats You can modify the properties of a radial reformat after creating it To edit a radial reformat 1 Right click on the radial reformat on the Results pane and select Edit 2 Modify the properties on the Properties pane as needed Or Click and drag the interactive graphics on the double oblique view 3 Click Finish on the Properties pane The remaining slices for the Stack view are calculated 5 5 2 5 Deleting Radial Reformats You can delete any radial reformat that was created To delete a radial reformat 1 Select the radial reformat in the Reformats list on the Results pane 2 Press Delete on your keyboard or right click and select Remove This deletes the radial reformat 5 6 Saving Results You can save snapshots and reformats This chapter covers saving those results to MRAView 1 1 User Manual 47 Working With MRAView file system and Enterprise Solution 5 6 1Saving Results to File System You can save snapshots
43. ons 3 2 Menu The menu button m contains all of the main functionality that you need when you are working with MRAView These main commands are organized as follows Panes Toolbars Cine Image Control and Calipers For some of these commands tool buttons are available in the toolbars as shortcuts MRAView 1 0 User Manual 3 Getting Started Menu commands may be grayed out when you are performing a procedure such as a radial reformat You can make the menu commands active by canceling or finishing the procedure Show hide panes Panes patient results Toolbars gt Show hide toolbars Cine gt Show different time points Image Control gt Zoom panning swivel and stacking Calipers gt Add measurements annotations sculpture and reformats Reset layout Reset the window and toolbar layout Reset Window Level Reset the Window Level Initial View State Return to volume in original state Show Hide Workspace Show hide workspace panes Show Hide axes Show hide the axes Options Open dialog for general options About Medis About box MRAView 1 1 User Manual Getting Started 3 3 Toolbars The icons in the toolbars are shortcuts to frequently used menu options You can make toolbars float and move them to another part of the main window You can also show or hide toolbars To make a toolbar float e Cl
44. our custom LUT is not saved as expected particularly if you move the first or last point in the LUT however note that this is intended behavior The LUT is displayed in the LUT Editor based on the Window and Level settings defined in the data set Menu commands or toolbar buttons are disabled Menu commands or toolbar buttons may be grayed out when you are performing a procedure such as a radial reformat You can make them active again by canceling or finishing the procedure Window width and level are not applied Different window width and level values are maintained for the double oblique view MIP view and 3DVR view Annotation or measurement is not visible When you navigate to another location in the volume your annotation or measurement may not be displayed on the double oblique viewport This is because the point to which the result refers does not lie on the currently visible slice To see your result again right click on the result on the Results pane and select Locate or double click on the result on the Results pane The mouse cursor inside a sculpture contour will not change to the eraser or fill icon A small contour area may not provide enough distance from the edge of the contour area to enable the eraser or fill cursor icon In this case move the cursor outside the contour until the desired mouse cursor appears press the SHIFT key and then click the mouse button Pressing the SHIFT key before the click performs the s
45. p or down to increase or decrease the window width or level Or e Right click on the window width or level interactive graphics and enter the desires values Or 1 Select Window Level from the context menu 2 Click and drag o Right or left to increase or decrease the width o Up or down to increase or decrease the level 9 The current window width and level are displayed in the lower right overlay graphics in each viewport g To reset the window width and level e Press the 1 key Or e Click the middle mouse button on the window width and level interactive graphics Different window width and level values are maintained for the double oblique view MIP view and 3DVR view 4 2 MIP 3DVR and Stack Views You can view the maximum intensity projection MIP volume rendering 3DVR and Stack views in the lower right viewport as explained in section 3 5 2 MRAView 1 1 User Manual 23 Getting Started The MIP and 3DVR views are enabled by default with the and Options lt Hangings lt DoubleOblique Enable hardware rendering If this option is unchecked the MIP 3DVR and LUT thumbnails will not be generated You can select from one of several navigation methods on the left mouse button Each method is available from the context menu of the lower right viewport The selection in the context menu defines what the click and drag mouse function does v Stacking Alt Shift v Rotate Alt Zooming Ctrl Shift Zooming
46. sults pane and selecting Edit Properties Label Reformat 01 Method Projection method Columns Field O Slice count Slice thickness mm 3 Slice gap mm Resize mode Enable square field of view Show graphics Apply to all time points Label Method Projection method Rows x Columns Field of View mm Slice count Slice thickness mm Slice gap mm Resize mode Enable square field of view Cancel Finish The text label for this reformat Click the ellipsis to choose from a list of predefined labels or type a custom label The method Stack used to generate this reformat This cannot be changed The projection method Maximum Intensity default Minimum Intensity or Average Intensity for this reformat The number of voxel rows and columns for each slice of the reformat If Enable square field of view is checked the format is restricted to square slices Physical size of each slice Number of slices Physical thickness of each slice The projection method is performed over this thickness Physical distance between slices A negative value results in overlap between the slices The property that changes when you move the circular grip handles of the stack When checked default the field of view is forced to be square To improve compatibility with other applications images saved with a non square field of view are padded to produce a square image MRAView 1
47. t of the Label field and select a predefined label or type a custom label and press Enter MRAView 1 1 User Manual 39 Working With MRAView 4 Adjust other properties as necessary see sections 5 5 1 2 and 5 5 1 3 You can also position the overlay graphics with the mouse or modify the size using the circular grip handles The currently displayed slice in the Stack view is updated for each change 5 Click Finish on the Properties pane The remaining slices for the Stack view are calculated 5 5 1 2Stack Reformat Interactive Graphics When a stack reformat is active you can manipulate the interactive graphics in several ways hn When the Pointing mouse cursor is visible you can translate the volume on any double oblique viewport MRAView 1 1 User Manual 40 Working With MRAView You can adjust the size of each slice on the top view with the circular grip handles You can adjust the number of slices on the side view with the circular grip handles Using the scroll wheel in the Stack view in the lower right viewport you can scroll through the current set of slices The position of the slice is indicated by the yellow lines and indices in the two side view double oblique views MRAView 1 1 User Manual 41 Working With MRAView 5 5 1 3 Stack Reformat Properties You can edit the properties of a stack reformat while creating it or afterward by right clicking on the stack reformat on the Re
48. tero aie ONU ERU ERE T 25 4 2 4 Window Width and Level sssessossssssssossssssssoossssssesoossssssesosessssseo 25 WORKING WITH MRAVIEW ceeeeeeeeeeee enne A ESE OE sess suse sess secessit esses 27 5 cuc 27 5 1 Annotations 2o oH eene e Cuerpo EE e ONE Ue Mee NP e Ee CEP UE ME MP Oe EUR UE UST 27 27 Adding 5 1 1 521 2 Editing Annotations iie ra rra Re bats REA SRR RA ERSR He SPUR rss 28 5 1 3 Deleting Annotations seessssssssecosssssssccossssseccossssseceossssseeeoeess 29 5 2 E A ERE A E EE EE EK cts bein gieiv e ER NEFF ERIRE EE ER CER TN 29 5 2 1 Distance Measuremehts eser tee re terrx salve xo nere Veg save eR NEUES 29 5 2 2 Area Measurements eese Uv SR Vet Ee V e ORE Yn EUM UNE OR V FUR I EE URS 32 5 3 Snapshots one reset be sere te eese Ue REN od ES EAE 33 5 3 1 Creating Snapshots iens eere Ere nee eye eva deve vaaredd versie 34 5 3 2 Deleting Snapshots iei dence ested eth te rper Eo EVEN Ege eye e ore e rege 34 5 4 calme 35 5 4 1 Creating SCUl ptUf es ree 35 5 4 2 Editing SculptUres 37 5 4 3 Deleting Sculptures iere ree erem en hee nee ove nen annoa 38 5 5 Reformatting stereo e tede eU c I mee 38 5 5 1 Stack Reformatting 2 0 02 38 5 5 2 Radial Reformatting ccesseesseeeseeeseeeee eene hene eene enne 43 5 6 Saving Results iere is e eer sa e RU REPE EUR E UNSER Re Us Ue ERES NO EN P T 47
49. the Save As button Changes to a predefined LUT are reverted with the Save As action and when MRAView is restarted To save changes to a custom LUT e Click the Save button The Save button is only enabled once you have created your own LUT with Save As and then modified the custom LUT It is common to define a LUT with an ascending opacity i e the larger the grey value the larger the opacity To reset the LUT to a ramp e Right click on the chart and select Reset to Ramp A LUT is created with two points with ascending opacity The Window is the range of grey scales displayed Voxels with grey scales outside that range are mapped to the nearest color in the LUT The Level is the grey scale at the center of the Window Thus you can adjust the Window and Level to quickly include a select range of grey scale values 3 5 Image View The Image View displays the currently loaded volume 2x2 in several different representations By default the images in the Image View display a number of patient details and volume information You can show or hide these overlays from the image To show or hide the patient or volume information e Select the button and choose Options select Hangings and select or deselect Show patient information To temporarily hide all overlay graphics e Hold down the ALT key and the right mouse button You can enlarge one of the viewports by double clicking on it MRAView
50. us or next time point Or e Press the left or right arrow key to move to the previous or next time point Or e Click the TP interactive graphics on one of the viewports to move to the next time point Or e Right click the TP interactive graphics and enter the desired number of the time point Or e Select and choose Cine Previous Time Point or View Next Time Point MRAView 1 1 User Manual 18 Getting Started 4 Image Navigation This chapter describes how you can move around inside the volume to focus on what is most interesting To return the volume to its initial state e Click in the toolbar or select 0 and choose Initial View State 4 1 Double Oblique View The three viewports that make up the double oblique view DOV show the volume from three perpendicular perspectives Each perspective shows a slice at a specific depth with a certain thickness The orientation for each viewport is indicated by the orientation cube in the lower right Rotating one viewport has the effect of moving a camera s perspective As you rotate the volume the orientation cube rotates too The letters on the cube indicate position n Anterior Head Left P Posterior F Feet Right 9 Right click on the orientation cube to select and rotate to one of the six primary orientations the Original orientation produced while scanning or Reset to the default orientation when MRAView first started The axes shown o
51. ve 93 42 EEC 6 North American Regulations 0120 MRAView has been cleared for market in the United States by the FDA Food and Drug Administration under the provisions of Section 510 k of the Food Drug and Cosmetic Act Caution Federal law restricts this device to sale by or on the order of a physician MRAView complies with the requirements of the Canadian Medical Devices Regulations and has been licensed as a Class II medical device MRAView 1 1 User Manual V Conventions Used The following conventions are used throughout this manual to indicate mouse and keyboard actions and to refer to elements in the user interface Mouse Click Press and release the primary mouse button If you are left handed you may have set the right mouse button as your primary mouse button Click and drag Press and hold the primary mouse button Drag the mouse to perform a function Release the primary mouse button If you are left handed you may have set the right mouse button as your primary mouse button Right click Press and release the secondary mouse button If you are left handed you may have set the left mouse button as your secondary mouse button Middle click Press and release the wheel button or the middle mouse button If you have a two button mouse press and release the left and the right mouse button simultaneously Double click Press and release the primary mouse button twice Wheel Rotate the mouse scrol
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