dtv.ii SR diffusion TENSOR Visualizer II, the Second Release Rev.0.90 (2005.08.22)
dtv 3 6 ROI ROI 10 11 15 21 23 25 2
dtv dtvdiffusion TENSOR Visualizer MR VOLUME-ONE dtv VOLUME-ONE ROI 1.1 dtv.ii SR (the Second Release) VOLUME-ONE 1.72 VOLUME-ONEdTV.II SR VOLUME-ONE dtv.ii SR VOLUME-ONE: http://www.volume -one.org/ dtv: http://www.ut-radiology.umin.jp/people/masutani/dtv.htm PC CPU Pentium III GH RAM 512M byte D OS Windows 98SE NT PC dtv dtv dtv 3
図 1.1 VOLUME-ONE 1.72 と dtv.ii SR による拡散テンソル解析 また VOLUME-ONE の機能や他のプラグインと併用することで より効果的な解析や表示が 可能となります 図 1.2 図 1.2 VOLUME-ONE の機能による表示効果 左 VOLUME-ONE の Volume Texture によるボリュームレンダリング像と線維追跡の同時表示 右 VOLUME-ONE の標準プラグイン LEGO-RENDER による表示オブジェクトの追加 4
MR MPG MR MR MRI VOLUME-ONE VOLUME-ONE 5
dtv.ii SR MR 2 dtv DICOM VOLUME-ONE VOLUME-ONE VOLUME-ONE VOLUME-ONE dtv b=0 VOLUME-ONE dtv VOLUME-ONE VOLUME-ONE dtv 1.72 dtv.ii SR VOLUME-ONE Tools ->Launch Plug-in... dtv.iisr.exe dtv.iisr.exe VOLUME-ONEplug-ins 2.1 OK dtv.ii SR dtv.ii SR File Open dtv VOLUME-ONE import flip VOLUME-ONE dtv 6
DICOM File Open DICOM directory VOLUME-ONE 1 DICOM DICOM DICOM MPG FOV Pixel Spacing DICOM DICOM grosadicommricro RAW VOLUME-ONE DTI dtv DTI dtv MPG MPG VOLUME-ONE VOLUME-ONE MPG MPG, MPG 2.2 MPG 2.3 7
2.3 MPG MPG b=0 b 2.3 MPG 8
VOLUME-ONE VOLUME-ONE VOLUME-ONE dtv 1.72 VOLUME-ONE VOLUME-ONE RAW dtv.ii SR VOLUME-ONE Tools Launch Plug-in... dtv.iisr.exe dtv.ii SR 2.1 9
ROI dtv.ii SR fiber tracking diffusion profile Voxel Statistics study object 3.1 ROI ROI ROI ROI ROI ROI ROI export ROI 3.2 10
GUI dtv.ii SR GUI Graphical User Interface Study performer ROI editor Utility 4.1 ROI 4.1 VOLUME-ONE dtv.ii SR 11
GUI GUI ROI ROI ROI ROI ROI 4.2 VOLUME-ONE ROI ROI ROI ROI ROI Ctrl ROI ROI level width ROI 2 VOLUME-ONE VOLUME-ONE 2 (4.3) ROI AxialSagittalCoronalObliqueSpherical Oblique 12
VOLUME-ONE VOLUME-ONE oblique VOLUME-ONE oblique D Spherical 4.4 ROI 4.3 ROI 4 2 ROI 4.4 Spherical 13
ROI ROI 4.5 ROI ROI ROI Seed ROI 14
GUI 3.1 5. <> Seed ROI Target ROIAvoidance Fiber Tracking 1 New->Fiber tracking Seed ROI Seed ROI Seed ROI ROI ROI ROI ROI ROI ROI Spherical Freehand Listed 15
Target ROIAvoidance ROI ROI Seed ROI Use ROI Seed ROI 5.2 Setting Tracking basic Advanced [4] Setting Display (anisotropy coding)seed (distance coding) (directional coding) (unique color) (uniform color) 5.3 5.3 Analyze and Display VOLUME-ONE Seed dtv.ii SR Summary Study->Summary string->record current 16
<> Diffusion Profile 1 New-> Diffusion profile ROI ROI ROI ROI ROI ROI ROI VOLUME-ONE Volume Of Interest ROI Box VOI ROI tensor ellipsoid envelop surface star anosotropy direction anisotropy emphasis 5.4 Analyze and Display VOLUME-ONE dtv.ii SR Summary Summary 17
<> Voxel Statistics 1 NewVoxel statistics ROI ROI ROI ROI ROI ROI ROI ROI VOLUME-ONE Volume Of Interest Box VOI ROI Analyze and Display ROI VOLUME-ONE dtv.ii SR Summary Summary ROI So(b=0) FA ADC ROI export ROI ROI export ROI ROI Special->ROI palette frame ->Export ROI to Editor GUI ROI 18
5.6 ROI distance coding unique color anisotropic coding directional coding 19
5.7 directional coding ROI 20
ROI export ROI ROI 3.2 ROI VOLUME-ONE ROI ROI ROI 6.26.4 ROI ROI p 6.2 0.1 1.0 dilation erosion 6.3 21
6.4 ROI 2 6.4 2 3 22
Special->Add computational channels FA FA XYZ RGB FA ADC VOLUME-ONE FA 100 ADC 100,000 3 2 Special->Voxelize visible trackline as ROI ROI VOLUME-ONE T1 ROI ROI Analyze and Display Study->Special->Analyze and dump result Special Start realtime analysis VOLUME-ONE FA ADC Analyze and Display 23
ROI VOLUME-ONE Special->Setting->ROI VOLUME-ONE ROI ROI ROI ROI visible ROI File->Save work data File->Open work data Study->Special->Analyze all studies 24
[1] VOLUME-ONE VOLUME-ONE [2] MRI 2005 [3] MR Tractography, 20:5, 584-592, 2002 [4] Tractography Tracking (CD-ROM ), 2002 [5] Masutani Y, et al., MR Diffusion Tensor Imaging: Recent Advance and New Techniques for Diffusion Tensor Visualization, European J. of Radiology, vol.46 no.1, pp 53-66, 2003 MPG #dtv-ii MPG description file (not used in earlier dtv) 1.0 0.0 0.0 0.0 1.0 0.0 7 1 0.0 0.000000 0.000000 0.000000 1000.0 0.707000 0.000000 0.707000 1000.0-0.707000 0.000000 0.707000 1000.0 0.000000 0.707000 0.707000 1000.0 0.000000 0.707000-0.707000 1000.0 0.707000 0.707000 0.000000 1000.0-0.707000 0.707000 0.000000 DICOM Image Orientation 25
b 26