Aneurysms of the basilar artery.
D000293:Adolescent; D000368:Aged; D001488:Basilar Artery / Q000473:pathology*; D002533:Cerebral Angiography; D005260:Female; D006801:Humans; D002532:Intracranial Aneurysm / Q000175:diagnosis*; D008297:Male