External Email - Use Caution

7.4.1

From: freesurfer-bounces@nmr.mgh.harvard.edu freesurfer-bounces@nmr.mgh.harvard.edu On Behalf Of Iglesias Gonzalez, Juan E. Sent: Wednesday, October 30, 2024 4:52 PM To: Freesurfer support list freesurfer@nmr.mgh.harvard.edu Subject: [EXTERNAL] Re: [Freesurfer] recon-all-clinical output brainvol.stats vs synthseg.vol.csv

WARNING: This email originated from outside of Advocate Health (freesurfer-bounces@nmr.mgh.harvard.edumailto:freesurfer-bounces@nmr.mgh.harvard.edu). DO NOT click links or open attachments unless you know and trust the sender. NEVER provide your login information to anyone. USE Squish the Phish to report suspicious email. Hi Melissa, What version of FreeSurfer are you using? Kind regards, /Eugenio

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From: freesurfer-bounces@nmr.mgh.harvard.edumailto:freesurfer-bounces@nmr.mgh.harvard.edu <freesurfer-bounces@nmr.mgh.harvard.edumailto:freesurfer-bounces@nmr.mgh.harvard.edu> on behalf of Melissa Marie Rundle <mrundle@wakehealth.edumailto:mrundle@wakehealth.edu> Date: Wednesday, October 30, 2024 at 4:13 PM To: freesurfer@nmr.mgh.harvard.edumailto:freesurfer@nmr.mgh.harvard.edu <freesurfer@nmr.mgh.harvard.edumailto:freesurfer@nmr.mgh.harvard.edu> Subject: Re: [Freesurfer] recon-all-clinical output brainvol.stats vs synthseg.vol.csv

External Email - Use Caution Hello,

Recon-all-clinical outputs several files, including brainvol.stats and synthseg.vol.csv, that have volumetric data that don't match each other. See example data below. Are the stats for brainvol (as well as lh.aprac.stats/rh.aprac.stats) generated from the synthseg processing? And if not, how is the data generated?

Thanks so much for your help,

Melissa Rundle

In brainvol.stats:

Left hemisphere cerebral white matter volume=225511.42 mm3

Left hemisphere cortical gray matter volume=194309.18 mm3

In synthseg.vol.csv:

left cerebral white matter volume=224286.48 mm3

left cerebral cortex volume=252060.19 mm3

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