In general, it mostly looks ok. There are regions which are labelled as hypointensities, but should be CSF or gray matter, particularly around the parieto-occipital fissure (see attached). Much of the fornix and corpus callosum is also just labelled as  left/right cerebral white matter.

On Wed, Aug 14, 2013 at 11:37 AM, Bruce Fischl <fischl@nmr.mgh.harvard.edu> wrote:

Hi Corinna

how does the rest of the aseg.mgz look? Is it accurate?
Bruce

On Wed, 14 Aug 2013, Corinna Bauer wrote:

Hello all,
I am examining diffusion tracking in the corpus callosum of individuals with
periventricular leukomalacia (PVL). The corpus callosum is particularly
small and the anterior and mid-anterior labels are being applied to the
fornix (see attached Fornix_labelled_as_CC.png). The midposterior and
posterior look ok, while the central is very small, maybe one voxel in size.

The wm segmentation, seen with ?l.white, also shows segmentation defaults
with the anterior corpus callosum (see attached images). I tried to correct
this using control points, which you can see did not fix the segmentation.

Any suggestions?

Corinna

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