title: A rare anatomic variant of a solitary internal carotid artery associated with moyamoya phenomenon of the middle cerebral artery.
abstract: A case of a congenital solitary internal carotid artery with complicated anastomosis is presented. This rare anomaly was an incidental finding at cerebral angiography in a patient with a poor-grade subarachnoid hemorrhage and a ruptured anterior communicating artery aneurysm.
authors.affiliation: Division of Neurosurgery, Prince of Wales Hospital, Chinese University of Hong Kong, SAR, China.
authors.forename: G K C
authors.initials: GK
authors.lastname: Wong
authors.forename: S C H
authors.initials: SC
authors.lastname: Yu
authors.forename: G E
authors.initials: GE
authors.lastname: Antonio
authors.forename: W S
authors.initials: WS
authors.lastname: Poon
mesh_terms: D000369:Aged, 80 and over; D017542:Aneurysm, Ruptured / Q000000981:diagnostic imaging*; D001488:Basilar Artery / Q000000981:diagnostic imaging; D002343:Carotid Artery, Internal / Q000002:abnormalities* / Q000000981:diagnostic imaging; D002533:Cerebral Angiography; D003097:Collateral Circulation / Q000502:physiology; D005260:Female; D006801:Humans; D006849:Hydrocephalus / Q000000981:diagnostic imaging; D020244:Infarction, Middle Cerebral Artery / Q000000981:diagnostic imaging*; D002532:Intracranial Aneurysm / Q000000981:diagnostic imaging*; D009072:Moyamoya Disease / Q000000981:diagnostic imaging*; D013345:Subarachnoid Hemorrhage / Q000000981:diagnostic imaging*; D014057:Tomography, X-Ray Computed; D014711:Vertebral Artery / Q000000981:diagnostic imaging