Re: [Freesurfer] High intensity blood vessels in children with meMPRAGE

2014-08-01 Thread Bruce Fischl
der Kouwe > [an...@nmr.mgh.harvard.edu] > Sent: Friday, August 01, 2014 1:00 PM > To: Bruce Fischl; Freesurfer support list > Cc: Dylan Tisdall > Subject: Re: [Freesurfer] High intensity blood vessels in children with > meMPRAGE > > Hi, > > Thanks, yes, we have this

Re: [Freesurfer] High intensity blood vessels in children with meMPRAGE

2014-08-01 Thread McLaughlin, Katie
freesurfer-boun...@nmr.mgh.harvard.edu [freesurfer-boun...@nmr.mgh.harvard.edu] on behalf of Andre van der Kouwe [an...@nmr.mgh.harvard.edu] Sent: Friday, August 01, 2014 1:00 PM To: Bruce Fischl; Freesurfer support list Cc: Dylan Tisdall Subject: Re: [Freesurfer] High intensity blood vessels i

Re: [Freesurfer] High intensity blood vessels in children with meMPRAGE

2014-08-01 Thread Andre van der Kouwe
Hi, Thanks, yes, we have this problem on our scans from the Allegra and 7 T scanners, where there's a local transmit coil (no body transmit coil) and therefore blood with non-inverted spins enters the head after the inversion pulse and appears bright in the images. With our Allegra scans this

Re: [Freesurfer] High intensity blood vessels in children with meMPRAGE

2014-08-01 Thread Bruce Fischl
Hi Kate I'll cc Andre and Dylan, but I would have thought some sat bands in the neck would do it. I think vessels are usually bright in the mprage, but don't usually case problems. Comments welcome cheers Bruce On Fri, 1 Aug 2014, McLaughlin, Katie wrote: Hi Doug, Bruce, et al. We'