Persistent primitive hypoglossal artery with basilar aneurysm.
D000328:Adult; D001488:Basilar Artery; D002339:Carotid Arteries / Q000002:abnormalities*; D000013:Congenital Abnormalities / Q000150:complications; D005260:Female; D006801:Humans; D002532:Intracranial Aneurysm / Q000000981:diagnostic imaging / Q000209:etiology*; D011859:Radiography; D014711:Vertebral Artery / Q000002:abnormalities*