Primary arachnoid cysts of the sella turcica.
D000293:Adolescent; D000328:Adult; D001099:Arachnoid; D002533:Cerebral Angiography; D014695:Cerebral Ventriculography; D003560:Cysts / Q000000981:diagnostic imaging*; D005260:Female; D006801:Humans; D008297:Male; D012658:Sella Turcica