The first post-contrast coronal T1-weighted scan was obtained six years prior to the second exam, with coronal FLAIR and post-contrast T1-weighted scans illustrated from the second exam. There has been interval growth of the lesion, substantial when viewed from a volume perspective. The lesion was electively removed, prior to possible involvement of the superior sagittal sinus (with further growth of the lesion).

Part of the on-line supplement to Neuroradiology – The Essentials with MR and CT (© 2015)