[Aneurysm arising from the abnormal vascular network at the base of the brain--case report and etiological study].
D000328:Adult; D002533:Cerebral Angiography; D002561:Cerebrovascular Disorders / Q000150:complications*; D003097:Collateral Circulation; D006801:Humans; D002532:Intracranial Aneurysm / Q000000981:diagnostic imaging / Q000209:etiology*; D008297:Male