title: Functional obstructive hydrocephalus.
mesh_terms: D001488:Basilar Artery / Q000002:abnormalities / Q000000981:diagnostic imaging; D002533:Cerebral Angiography; D002560:Cerebrovascular Circulation; D006801:Humans; D006849:Hydrocephalus / Q000209:etiology*; D006850:Hydrocephalus, Normal Pressure / Q000000981:diagnostic imaging / Q000209:etiology; D002538:Intracranial Arteriovenous Malformations / Q000150:complications; D007427:Intracranial Pressure; D008297:Male; D008875:Middle Aged; D011011:Pneumoencephalography