title: Unusual spontaneous entrapment of a dissecting aneurysm of the vertebral artery--case report.
abstract: The authors report a case of subarachnoid hemorrhage due to spontaneous dissection of the intracranial segment of the left vertebral artery. Serial angiography demonstrated spontaneous entrapment of the lesion 4 months after ictus.
authors.affiliation: Neurosurgical Service, Aizawa Hospital, Nagano.
authors.forename: H
authors.initials: H
authors.lastname: Hara
authors.forename: H
authors.initials: H
authors.lastname: Nagashima
authors.forename: G
authors.initials: G
authors.lastname: Koike
authors.forename: K
authors.initials: K
authors.lastname: Sakai
authors.forename: S
authors.initials: S
authors.lastname: Kobayashi
mesh_terms: D000784:Aortic Dissection / Q000150:complications* / Q000000981:diagnostic imaging; D006801:Humans; D002532:Intracranial Aneurysm / Q000150:complications* / Q000000981:diagnostic imaging; D008279:Magnetic Resonance Imaging; D008297:Male; D008875:Middle Aged; D011859:Radiography; D013345:Subarachnoid Hemorrhage / Q000000981:diagnostic imaging / Q000209:etiology*; D014711:Vertebral Artery / Q000000981:diagnostic imaging