title: Pneumoencephalographic presentation of a saccular aneurysm at the bifurcation of the basilar artery.
mesh_terms: D000368:Aged; D001488:Basilar Artery / Q000000981:diagnostic imaging; D001932:Brain Neoplasms / Q000175:diagnosis; D002533:Cerebral Angiography; D003072:Cognition Disorders / Q000209:etiology; D003388:Cranial Fossa, Posterior; D004569:Electroencephalography; D005260:Female; D006801:Humans; D007031:Hypothalamus; D002532:Intracranial Aneurysm / Q000150:complications / Q000175:diagnosis / Q000000981:diagnostic imaging*; D011011:Pneumoencephalography; D011877:Radionuclide Imaging; D014711:Vertebral Artery / Q000000981:diagnostic imaging