Figure 1-MRI, sagittal SE 600/20. Intrasellar hypointense mass extending into sphenoid sinus (arrow). Pituitary gland elevated, optic nerve not involved. A 48 year old woman had an MRI examination of the brain which confirmed the clinical diagnosis of multiple sclerosis. Incidentally, a cystic mass was noted in the sella turcica. A pharyngeal soft tissue mass containing cysts was also shown (Fi...