title: Rupture of a parasellar aneurysm with a coexisting pituitary tumor.
abstract: The unusual occurrence of a pituitary tumor and a parasellar aneurysm is reported. The aneurysm ruptured and mimicked spontaneous infarction of the pituitary tumor. The importance of performing cerebral angiography before emergency surgical decompression of a presumed pituitary tumor infarction is emphasized.
mesh_terms: D000239:Adenoma, Acidophil / Q000150:complications*; D002543:Cerebral Hemorrhage / Q000175:diagnosis / Q000209:etiology; D003937:Diagnosis, Differential; D006801:Humans; D007238:Infarction / Q000175:diagnosis; D002532:Intracranial Aneurysm / Q000150:complications*; D008875:Middle Aged; D010911:Pituitary Neoplasms / Q000098:blood supply / Q000150:complications*; D012422:Rupture, Spontaneous