title: Cerebellar top-of-the-basilar syndrome.
abstract: We present a patient with unusual cerebrovasculature due to the absence of anastomosis between anterior and posterior circulations and bilateral fetal posterior cerebral arteries. This resulted in an atypical 'cerebellar' top-of-the-basilar syndrome, with bilateral superior cerebellar artery infarctions. We review the clinical presentation and radiologic findings and explain the embryologic origin of this vascular anatomy.
authors.affiliation: Department of Neurology, Johns Hopkins University School of Medicine, Baltimore, MD, USA.
authors.forename: I E
authors.initials: IE
authors.lastname: Silverman
authors.forename: M D
authors.initials: MD
authors.lastname: Geschwind
authors.forename: J J
authors.initials: JJ
authors.lastname: Vornov
mesh_terms: D001488:Basilar Artery / Q000002:abnormalities*; D002531:Cerebellum / Q000098:blood supply*; D002536:Cerebral Arteries / Q000002:abnormalities*; D002560:Cerebrovascular Circulation; D005260:Female; D006801:Humans; D007238:Infarction / Q000000981:diagnostic imaging*; D008875:Middle Aged; D011859:Radiography; D013577:Syndrome; D014715:Vertebrobasilar Insufficiency / Q000000981:diagnostic imaging / Q000473:pathology*