title: Co-existing pituitary adenoma and intrasellar arachnoid invagination.
mesh_terms: D000172:Acromegaly / Q000000981:diagnostic imaging / Q000209:etiology; D000236:Adenoma / Q000150:complications* / Q000000981:diagnostic imaging; D000328:Adult; D005260:Female; D006801:Humans; D008297:Male; D008875:Middle Aged; D010911:Pituitary Neoplasms / Q000150:complications* / Q000000981:diagnostic imaging; D011011:Pneumoencephalography; D012658:Sella Turcica / Q000000981:diagnostic imaging; D013346:Subarachnoid Space / Q000000981:diagnostic imaging