Do all images and time points have contrast? If some do and some don't, 
then I don't think you can properly do the analysis?

On 11/15/19 10:06 AM, Darko Komnenić wrote:
>
>         External Email - Use Caution
>
> Dear Freesurfer experts,
> I wanted to run the Freesurfer's longitudinal processing pipeline 
> (described here 
> https://surfer.nmr.mgh.harvard.edu/fswiki/LongitudinalProcessing) on a 
> series of MRI scans from a single patient. However, after looking at 
> the scans, i realized that for most time points, the patient doesn't 
> have a "simple/normal" T1 MPRAGE sequence available. Instead, they 
> have a T1 sequence with a contrast agent, as well as T1 mp2rage 
> sequences.
>
> Is it possible/advisable to run recon-all in general or this pipeline 
> in particular on T1 MPRAGE scans that have a contrast agent, or that 
> are mp2rage instead of MPRAGE?
>
> Thanks in advance!
> Best,
> Darko
>
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