title: Double origin of the posterior inferior cerebellar artery.
abstract: Double origin of the posterior inferior cerebellar artery (PICA) has rarely been demonstrated by angiography in the peer-reviewed literature. Of the three previous reports, this PICA variant arose from the left vertebral artery. We report a right-sided, double-origin PICA.
authors.affiliation: Departments of Radiology and Surgery, Section of Surgical Neuroradiology, Saint Louis University School of Medicine, 3635 Vista Avenue, St. Louis, MO 63110, USA.
authors.forename: Walter S
authors.initials: WS
authors.lastname: Lesley
authors.forename: Henry J
authors.initials: HJ
authors.lastname: Dalsania
mesh_terms: D000368:Aged; D015901:Angiography, Digital Subtraction; D002531:Cerebellum / Q000098:blood supply*; D002533:Cerebral Angiography; D003937:Diagnosis, Differential; D006801:Humans; D002538:Intracranial Arteriovenous Malformations / Q000175:diagnosis*; D018810:Magnetic Resonance Angiography; D008297:Male; D014057:Tomography, X-Ray Computed; D014711:Vertebral Artery / Q000002:abnormalities* / Q000473:pathology