Dolichoectasia of Vertebrobasilar Arteries as a Cause of Hydrocephalus and Ischemic Cerebral Stroke.

Introduction: Dolichoectasia of vertebrobasilar artery is a rare vasculopathy, which is characterized by ectasia, elongation, and tortuosity of the basilar artery.

Case Description: A 85-year-old man was referred to the Clinic of Neurology with sudden-onset coma. A brain computed tomography scan showed remarkable fusiform dilatation with elongation of basilar artery, with compressive effect on brain stem.