The enlarged sella and the intrasellar cistern.
D000328:Adult; D000368:Aged; D014695:Cerebral Ventriculography; D002946:Cisterna Magna / Q000000981:diagnostic imaging*; D005260:Female; D006801:Humans; D008297:Male; D008875:Middle Aged; D011011:Pneumoencephalography; D012658:Sella Turcica / Q000000981:diagnostic imaging*; D014054:Tomography