It should not have changed the WM volume. Did you happen to see the
thread about a bug in mri_segstats? It could be causing this. You can
get a new version here:
ftp://surfer.nmr.mgh.harvard.edu/transfer/outgoing/flat/greve/mri_segstats.linuxThe only thing that we have that comes close to quantifying lesions is
the volume of WM hypointensities. This will likely underestimate the
lesion volume by a lot.
doug
On 04/16/2012 04:58 AM, Gabriel Gonzalez Escamilla wrote:
> Dear freesurfers,
>
> May be a silly question:
>
> I'd modified the wm.mgz using the lastest current version of FS as
> suggested in
>
http://surfer.nmr.mgh.harvard.edu/fswiki/FsTutorial/WhiteMatterEdits?highlight=%28matter%29%7C%28White%29 >
> Is there any output on FS that quantifies the lesions as volume or
> something like?
> When I'd checked the aseg.stats the cortical wm for both hemispheres
> has changed, as a matter of fact it has been increased when I filled
> the lesions, which I'm guessing would be a normal behavior, but I'm
> wondering how to know how much of this wm is lesioned ?
>
> Could you guide me on this?
>
> Many thanks in advanced ,
> Gabriel.
>
>
> --
> --------------------------
> PhD. student Gabriel González-Escamilla
> Laboratory of Functional Neuroscience
> Department of Physiology, Anatomy, and Cell Biology
> University Pablo de Olavide
> Ctra. de Utrera, Km.1
> 41013 - Seville
> - Spain -
>
> Email: ggonesc@upo.es
>
http://www.upo.es/neuroaging/es/>
>
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> Freesurfer@nmr.mgh.harvard.edu
>
https://mail.nmr.mgh.harvard.edu/mailman/listinfo/freesurfer--
Douglas N. Greve, Ph.D.
MGH-NMR Center
greve@nmr.mgh.harvard.edu
Phone Number:
617-724-2358Fax:
617-726-7422Bugs: surfer.nmr.mgh.harvard.edu/fswiki/BugReporting
FileDrop: www.nmr.mgh.harvard.edu/facility/filedrop/index.html
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