Re: [Freesurfer] PET PVC - CSF estimation

2016-10-24 Thread Douglas N Greve
Hi Adam, it might depend on which version you are running. I've been working on it over the last year and made some changes related to choroid plexus. The version that I have now does not merge CP with CSF. You can check in your analysis by running cd gtmdir/aux mri_binarize --i seg.nii.gz --m

Re: [Freesurfer] PET PVC - CSF estimation

2016-10-24 Thread Adam Martersteck
Hi, Just want to bump this to the top now that the weekend is over! Thanks for any insights about the CSF estimation, Adam On Fri, Oct 21, 2016 at 1:03 PM, Adam Martersteck wrote: > Thanks for replying Doug, > > Yes, I would like to use my own mask if the choroid plexus is included but > *only

Re: [Freesurfer] PET PVC - CSF estimation

2016-10-21 Thread Adam Martersteck
Thanks for replying Doug, Yes, I would like to use my own mask if the choroid plexus is included but *only* for Tau PET. There is high off-target binding of the new tau PET ligand AV1451 (formerly called T807) in choroid plexus. I wanted to avoid that high signal when estimating CSF. I think chor

Re: [Freesurfer] PET PVC - CSF estimation

2016-10-20 Thread Douglas N Greve
What do you mean? You have your own CSF segmentation and you want to use that instead of the one created by gtmseg? On 10/20/2016 11:32 AM, Adam Martersteck wrote: > Hi FreeSurfer team, > > Hopefully Doug or someone familiar with the new PET PVC implementation > can answer a few things I can't

[Freesurfer] PET PVC - CSF estimation

2016-10-20 Thread Adam Martersteck
Hi FreeSurfer team, Hopefully Doug or someone familiar with the new PET PVC implementation can answer a few things I can't seem to find on http://surfer.nmr.mgh.harvard.edu/fswiki/PetSurfer or either of Doug's PVC publications (2013 or 2016). 1) Is the choroid plexus included in the binarized the