MRI-based thalamic volumetry in multiple sclerosis using FSL-FIRST: Systematic assessment of common error modes.
Cassondra LymanDongchan LeeHannah FerrariTom A FuchsNiels P BergslandDejan JakimovskiBianca Weinstock-GuttmannRobert ZivadinovMichael G DwyerPublished in: Journal of neuroimaging : official journal of the American Society of Neuroimaging (2021)
In PwMS, FSL-FIRST thalamic segmentation miscalculates thalamic volumetry in a predictable fashion, and may be biased to overestimate highly atrophic thalami. As such, it is recommended that segmentations be reviewed and corrected manually when appropriate for specific studies.