it seems likely you will want to rescan. cheers Bruce
On Mon, 12 Jun 2017, Gullickson, James wrote: > Bruce, > Thanks for the input. We use a 32 channel head coil with two elements: an > anterior one, and a posterior one. Thus, half of the coil was inactive. I > ran the subject through the standard recon -all just to see what happened, > and it looks like there were some significant errors (see attached image as > an example). I will have to try it with anterior control points on and see > if we get a better result. In the end, it looks like we may just have to > bring this subject back in to re-do the scan. > > Thanks! > > James > > On Sun, Jun 11, 2017 at 6:50 PM, Bruce Fischl <fis...@nmr.mgh.harvard.edu> > wrote: > Hi James > > it's hard to say. How many coil elements were off? You could try > with > anterior control points, but you might not be able to include > this subject > in a group study > > cheers > Bruce > > On Sun, 11 Jun 2017, Gullickson, > James wrote: > > > Hello all, > > We have a subject whose T1s were collected without the > anterior head coil > > engaged, due to a technical error. The posterior coil > collected signal. This > > was on a Siemens Prisma 3T scanner. Would you expect > Freesurfer to still be > > able to process/segment this data accurately, or is it a lost > cause at this > > point? > > > > Thanks, > > > > James Gullickson > > > > > _______________________________________________ > Freesurfer mailing list > Freesurfer@nmr.mgh.harvard.edu > https://mail.nmr.mgh.harvard.edu/mailman/listinfo/freesurfer > > > The information in this e-mail is intended only for the person to whom > it is > addressed. If you believe this e-mail was sent to you in error and the > e-mail > contains patient information, please contact the Partners Compliance > HelpLine at > http://www.partners.org/complianceline . If the e-mail was sent to you > in error > but does not contain patient information, please contact the sender > and properly > dispose of the e-mail. > > > > _______________________________________________ Freesurfer mailing list Freesurfer@nmr.mgh.harvard.edu https://mail.nmr.mgh.harvard.edu/mailman/listinfo/freesurfer
