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Vue PACS MR Perfusion User Guide  

 

Unrestricted Internal Use 

AE9362   C 

Uncontrolled unless otherwise indicated 

Page: 1 of 43 

Vue PACS MR Perfusion User Guide - AE9362.docx  

 

 

Clinical Collaboration Platform 

 

Vue PACS  

MR Diffusion and MR Perfusion  

 

 

User Guide 

 

 

 

 

 

 

Part # AE9362 

2017-05-17 

 

 

 

 

 

 

 

 

 

 

Summary of Contents for Vue PACS MR Diffusion

Page 1: ...restricted Internal Use AE9362 C Uncontrolled unless otherwise indicated Page 1 of 43 Vue PACS MR Perfusion User Guide AE9362 docx Clinical Collaboration Platform Vue PACS MR Diffusion and MR Perfusio...

Page 2: ...3 Erasing Brain Mask 21 6 4 Adding an ROI 21 6 5 Determining the Display 21 7 Perfusion Series 22 7 1 Initial Layout 22 7 2 Calculating Perfusion Input Values 25 7 2 1 Identifying the AIF and VOF 25...

Page 3: ...lied with respect to this information Carestream Health Inc shall not be liable for any loss or damage including consequential or special damages resulting from the use of this information even if los...

Page 4: ...ream Health Inc field service office Hazard Warnings CAUTION To prevent serious personal injury and damage to the system strictly follow the instructions provided in these hazard warnings Always remai...

Page 5: ...grates review dictation and reporting tools to create a productive work environment for the radiologists and physicians The system contains a Perfusion module with interactive tools to analyze and com...

Page 6: ...FN Contrast Frame Number CORBA Common Object Request Broker Architecture COTS Commercial Off the Shelf Software CS Carestream CSH Carestream Health cSVD Circular Singular Value Decomposition CVA Cereb...

Page 7: ...rformed Procedure Step MR Magnetic Resonance MRI Magnetic Resonance Imaging MTT Mean Transit Time NAS Network Attached Storage NFS Network File System OI Oscillating Index OS Operating System oSVD Osc...

Page 8: ...ice Access SSL Secure Sockets Layer sSVD Standard Singular Value Decomposition SUV Standard Uptake Value SVD Singular Value Decomposition TCP IP Transmission Control Protocol Internet Protocol TID Tim...

Page 9: ...n produces maps that help diagnose the clinical question at hand The diffusion module provides 1 Automatic calculation of a brain mask Ability to add or subtract mask areas manually Automatic calculat...

Page 10: ...orking with Perfusion Maps Ability to add ROIs Automatic selection of the affected hemisphere of the brain Segmentation of two ischemic regions marked as Lesion and Hypoperfusion The segmentation of e...

Page 11: ...rfusion calculations the results of which are displayed in a set of maps Measurements of parameters for specific Regions of Interest ROIs are presented in tables Finally a segmentation of the Lesion a...

Page 12: ...ht click menu Load To Perfusion Stroke The Perfusion Stroke application is the main Perfusion application which calculates the Core Penumbra and compares the two brain sides This application is applic...

Page 13: ...ted Page 13 of 43 Vue PACS MR Perfusion User Guide AE9362 docx Load To Perfusion Lesion applicable for any study containing Diffusion groups The Diffusion application is intended for any study that co...

Page 14: ...ep Click to progress to the next step 2 Select Step Select the next step Steps include display of perfusion input data and display of perfusion maps 3 Calculate Perfusion Maps Click to initiate the ca...

Page 15: ...nd graphs performed by the user 14 Show Hide Brain Mask Show hide brain mask You can also add brain mask manually as well as erase added brain mask coloring 15 Show Hide AIF Segmentation Show hide aut...

Page 16: ...lows you to apply various maps and change the windowing scale to minimum and maximum values Use the windowing menu to display values that are beyond the values of the bar In such cases the value displ...

Page 17: ...DC Reverses the colors of the ADC map Because the contrast in the ADC map is the reverse of regular T2 images the system generates the eADC map based on the formula exp b ADC b being a configurable co...

Page 18: ...Vue PACS MR Perfusion User Guide Unrestricted Internal Use AE9362 C Uncontrolled unless otherwise indicated Page 18 of 43 Vue PACS MR Perfusion User Guide AE9362 docx...

Page 19: ...hows more maps than the single monitor display The following illustrations show the dual monitor layout on landscape and portrait monitors To change the maps that are displayed by default right click...

Page 20: ...g of the main direction of diffusivity V1 relative to the main axes X Y Z Red indicates the main direction X green indicates the main direction Y and blue indicates the main direction Z At each point...

Page 21: ...be manually added in all orientations 6 4 Adding an ROI You can add an ROI on any of the maps to further investigate the diffusion parameters in specific areas To draw an ROI 1 Click Add ROI The curso...

Page 22: ...t data is displayed first and then you continue to map calculation 7 1 Initial Layout The initial layout includes The calculated TMIN images The original series data The AIF and VOF graph displaying s...

Page 23: ...Vue PACS MR Perfusion User Guide Unrestricted Internal Use AE9362 C Uncontrolled unless otherwise indicated Page 23 of 43 Vue PACS MR Perfusion User Guide AE9362 docx...

Page 24: ...d by default right click the map name and change the display see Section 5 5 Determining the display By default the graph shows the AIF and VOF curves representing the average values of all found arte...

Page 25: ...2 2 Adding Arteries and Veins When the Vessel Signal setting is set to Seeds See Input State Settings in Section 8 Using Settings you can decide to manually add arteries and veins in order to investig...

Page 26: ...displays average values 7 2 3 2 Adding Artery and Vein Segmentations 1 Click Add AIF Segmentation or Add VOF Segmentation in the Show Hide AIF Segmentation and Show Hide VOF Segmentation drop down men...

Page 27: ...Mask To erase added brain mask marking 1 Click Erase Brain Mask in the drop down menu of the Show Hide Brain Mask icon 2 Click the left mouse button at the point where you wish to start erasing brain...

Page 28: ...the calculated values The following is displayed A Set of Perfusion Maps In each of the displayed maps a color range represents the calculated values of the perfusion parameters 2 rCBV map Presents th...

Page 29: ...bar is marked with an asterisk You can determine whether the color bar is displayed or not Right click the windowing annotation and click Show Color Bar to display the bar If the bar is displayed clic...

Page 30: ...the entire ischemic region Volume The volume in cc of the tissue TMIN Series The screen displays the same TMIN series that was displayed in the initial layout with the addition of a color based segme...

Page 31: ...n Toggle in the Perfusion ribbon if you want the application to duplicate the ROI you draw on the contralateral side NOTE You can break the symmetry later by right clicking one of the ROIs and clickin...

Page 32: ...All Calculations to discard all ROIs tissues maps and AIF and VOF corrections and revert to the initial stage at the time of loading 7 4 Displaying a Fused Image You can display a fused layout where t...

Page 33: ...e Layout ribbon lists perfusion specific layouts For the input display the menu lists by default a single layout The layout is adjusted to landscape monitors and to portrait monitors For the map displ...

Page 34: ...e no leakage has occurred When Leakage is set to Uncorrected the k2 map is not displayed and all other map calculations take no leakage into account Advanced Leakage Correction When Leakage is set to...

Page 35: ...ange for TTP maps Acceptance Criteria When enabled only values within the set range are used in the ROI statistics and the segmentation of the ischemic region TMAX Parameters Set TMAX parameters Defau...

Page 36: ...s signal to Seeds to show the AIF and VOF candidates and to manually add AIF and VOF points on the image Preprocessing Settings Split data by slice time or slice number Use Slice Time to arrange the...

Page 37: ...value are removed Remove small volume regions Regions with a volume smaller than the set value are discarded Use the slider to change the values The changes are shown immediately on the maps Morpholog...

Page 38: ...ute The criterion is applied to the actual value Relative The criterion is applied to the relative value of the damaged side divided by the opposite side Difference The criterion is applied to the val...

Page 39: ...tables and graph NOTE Only the average curves are included in the report graph Click Preview Report to display a version of the report that contains the patient details including patient name report d...

Page 40: ...n Analysis Click Export in the Perfusion ribbon to export the calculated maps and TMIN images including the ischemic regions segmentation the center line indication and the added ROIs The maps are exp...

Page 41: ...ith acceptable values may indicate noise or artifact in the images Temporal resolution Preferably the temporal resolution should not be lower than the resolution of one image per 4 seconds In general...

Page 42: ...rnal of Biomedical Imaging 2011 20 3 Gobbel G Fike J 1994 A deconvolution method for evaluating indicator dilution curves Physics in Medicine and Biology 39 1833 1854 4 Liao P S Chen T S Chung P C 200...

Page 43: ...nternal Use AE9362 C Uncontrolled unless otherwise indicated Page 43 of 43 Vue PACS MR Perfusion User Guide AE9362 docx 150 Verona Street Rochester NY USA 14608 Carestream Health 2017 CARESTREAM is a...

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