title: Fenestrated basilar artery with an associated saccular aneurysm. Case report.
abstract: A patient who presented with a subarachnoid hemorrhage was found to have a saccular aneurysm arising from the proximal basilar artery. The aneurysm was bilobed, directed anteriorly and inferiorly, and associated with a proximal fenestrated segment of the basilar artery.
mesh_terms: D001488:Basilar Artery / Q000000981:diagnostic imaging / Q000473:pathology / Q000601:surgery*; D002533:Cerebral Angiography; D003128:Coma / Q000150:complications; D005260:Female; D006801:Humans; D002532:Intracranial Aneurysm / Q000000981:diagnostic imaging / Q000601:surgery*; D008875:Middle Aged