Documentation/4.4/gif tutorial v3 3

Tractography exploration of peritumoral white matter fibers

1. a) Make sure the cystic part is selected and visible in the 3 slice views. b) Click on the Dilate Effect tool then click on the cystic part of the tumor on the red slice view.

2. Click on Apply 3 times to generate the peritumoral volume

3. Select the module "Tractography Label Map Seeding" by clicking "Editor" at the top, then "Diffusion", then "Diffusion Tensor Imaging".

4. Make sure that "DTI Volume" is selected for Input DTI Volume and "BaselineVolumeregion_1-label" is selected for Input Label Map

5. a) For Output Fiber Bundle select "Create and rename newFiberBundle". b)When the pop-up appears rename the fiber bundle to to "newFiberBundle".

6. a) Under the Seed Placement Options: Check the Use Index Space. b) Under Tractography Seeding parameter set the stopping value to "0.15" and make sure for Stopping Criteria that "Fractional Anisotropy" is selected.

7. Under Label Definition set the "Seeding Label" to 293, and Click on Apply