Hi,
orbital CSF is CSF around the optic nerve, i.e. within the optic nerve
sheaths.
I donšt think you can estimate this reliably using standard acquisitions
or automatic software.
Cheers,
Andreas
Am 01.12.16, 11:19 schrieb "FSL - FMRIB's Software Library on behalf of
Angelique Van Ombergen" unter <[log in to unmask] on behalf of
[log in to unmask]>:
>Hi all,
>
>I've did analyses with SIENA/SIENAX/SIENAr and we've found some
>interesting ventricular volume changes which we would like to go a bit
>more into detail in.
>
>Apart from calculating the volumes for the different ventricles (e.g.
>with FreeSurfer or the ALVIN toolbox), we have an interesting in
>calculating the orbital CSF and the external CSF.
>
>Does someone have an idea on the best way to do this (preferably with
>SIENA/VIENA)? Adapting the ventricular mask provided by SIENA does seem
>like an option, but I'm not quite sure on how to do this to correctly
>include only orbital CSF or external CSF.
>
>Any help would be much appreciated!
>
>Best wishes,
>Angelique
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