title: Anomalous origin of the posterior inferior cerebellar artery from the internal carotid artery.
abstract: A rare anomalous origin of the posterior inferior cerebellar artery arising from the internal carotid artery is described. The embryologic explanation postulated is the persistence of a primitive communicating vessel (presegmental artery) between the anterior and posterior circulation.
authors.affiliation: Department of Radiology, University of Wisconsin, Clinical Science Center, Madison 53792-3252.
authors.forename: A
authors.initials: A
authors.lastname: Ahuja
authors.forename: V B
authors.initials: VB
authors.lastname: Graves
authors.forename: D L
authors.initials: DL
authors.lastname: Crosby
authors.forename: C M
authors.initials: CM
authors.lastname: Strother
mesh_terms: D000368:Aged; D001158:Arteries / Q000002:abnormalities; D002343:Carotid Artery, Internal / Q000002:abnormalities*; D002531:Cerebellum / Q000098:blood supply* / Q000196:embryology; D006801:Humans; D008297:Male