Arachnoid cysts in the hypophyseal area.
D000293:Adolescent; D001099:Arachnoid; D001706:Biopsy; D001927:Brain Diseases / Q000000981:diagnostic imaging; D002493:Central Nervous System Diseases / Q000000981:diagnostic imaging / Q000473:pathology; D002533:Cerebral Angiography; D003560:Cysts / Q000000981:diagnostic imaging* / Q000473:pathology; D003937:Diagnosis, Differential; D005260:Female; D006801:Humans; D008875:Middle Aged; D010900:Pituitary Diseases / Q000000981:diagnostic imaging*; D011011:Pneumoencephalography; D012658:Sella Turcica