title: Vertebro-basilar insufficiency due to carotid stenosis.
abstract: Two patients with internal carotid disease and normal/hypoplastic vertebro-basilar system presenting with symptoms of vertebrobasilar insufficiency are presented. The role of associated anomalies of the circle of Willis or major vessels in the pathogenesis of symptoms is highlighted.
authors.affiliation: Department of Neurology, national Institute of Mental Health and Neuro Sciences, Bangalore.
authors.forename: D
authors.initials: D
authors.lastname: Nagaraja
authors.forename: A B
authors.initials: AB
authors.lastname: Taly
authors.forename: L K
authors.initials: LK
authors.lastname: Murthy
authors.forename: S K
authors.initials: SK
authors.lastname: Shankar
mesh_terms: D002340:Carotid Artery Diseases / Q000150:complications*; D002343:Carotid Artery, Internal / Q000002:abnormalities; D002941:Circle of Willis / Q000002:abnormalities; D003251:Constriction, Pathologic / Q000150:complications; D006801:Humans; D008297:Male; D008875:Middle Aged; D014715:Vertebrobasilar Insufficiency / Q000209:etiology*