title: Enlargement of an arteriovenous malformation documented by angiography. Case report.
abstract: The authors present a case in which an enlarging arteriovenous malformation was documented angiographically. Enlargement of the malformation concurrent with the appearence of basilar artery insufficiency was ascribed to a sump effect (steal) by the arteriovenous shunt.
mesh_terms: D001488:Basilar Artery; D001921:Brain / Q000098:blood supply; D005260:Female; D006801:Humans; D002538:Intracranial Arteriovenous Malformations / Q000150:complications / Q000000981:diagnostic imaging*; D007511:Ischemia / Q000209:etiology; D008875:Middle Aged; D011859:Radiography