title: Saccular aneurysm at the basilar artery fenestration.
abstract: The authors describe a 19-year-old patient who was presented with a subarachnoid hemorrhage and was found to have a saccular aneurysm arising at the proximal end of the fenestration of the basilar artery. Previously reported cases are reviewed. Stereoscopic magnification angiography facilitated the analysis of the three-dimensional-anatomical relationship between the aneurysm and its fenestrated parent artery.
mesh_terms: D000328:Adult; D001488:Basilar Artery / Q000000981:diagnostic imaging*; D002533:Cerebral Angiography; D006801:Humans; D002532:Intracranial Aneurysm / Q000150:complications / Q000000981:diagnostic imaging*; D008297:Male; D013345:Subarachnoid Hemorrhage / Q000209:etiology; D014057:Tomography, X-Ray Computed