You could remove the brain (as found in aseg.mgz) from the brainmask.mgz. This will leave some dura. It is not an elegant or accurate solution
On 03/06/2017 02:24 PM, Albrecht, Daniel S. wrote: > Hello, > > We have a PET dataset where we expect to see pathogenic changes in the > meninges. We'd like to extract the meningeal signal in subject space, > and were hoping to come up with an automated strategy to create > meningeal ROIs, containing no brain or scalp. > So my question is: can you suggest any way within the FreeSurfer > pipeline that we can create a meningeal-only ROI, or alternatively an > ROI containing both skull and meninges, but still no scalp or brain? > > Your help is greatly appreciated! > > Daniel S. Albrecht, PhD > Research Fellow in Radiology > Martinos Center for Biomedical Imaging > > Massachusetts General Hospital > 149 Thirteenth Street, Room 2301 > Charlestown, MA 02129 > Phone: (617) 643-6748 > Fax: (617) 726-7422 > dsalbre...@mgh.harvard.edu > <https://owa.partners.org/cvpn/aHR0cHM6Ly9wcm94eS1vd2EucGFydG5lcnMub3Jn/owa/redir.aspx?C=8A9OJCUaPkOLxUmmjc0_cF-xdjAP2NEI4aEbq2JpVjitXhs_QYjcIRXVbcEtTXWjym0XzqsaDNI.&URL=mailto%3amarco%40nmr.mgh.harvard.edu> > > > _______________________________________________ > Freesurfer mailing list > Freesurfer@nmr.mgh.harvard.edu > https://mail.nmr.mgh.harvard.edu/mailman/listinfo/freesurfer -- Douglas N. Greve, Ph.D. MGH-NMR Center gr...@nmr.mgh.harvard.edu Phone Number: 617-724-2358 Fax: 617-726-7422 Bugs: surfer.nmr.mgh.harvard.edu/fswiki/BugReporting FileDrop: https://gate.nmr.mgh.harvard.edu/filedrop2 www.nmr.mgh.harvard.edu/facility/filedrop/index.html Outgoing: ftp://surfer.nmr.mgh.harvard.edu/transfer/outgoing/flat/greve/ _______________________________________________ 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.