Locked-in Syndrome Secondary to Vertebro-basilar Dolichoectasia - An Unfortunate Complication of a Rare Pathology in a Young Patient (P5-5.025)

Dolichoectasia; a rare progressive arteriopathy observed in the posterior circulation, with a prevalence 3% in the general population. Basilar-ectasia is defined as >4.5mm at mid-pontine level. Patients presentation is from recurrent transient ischemic attacks, vestibular symptoms and highly morbid locked-in syndrome, commonly due to vascular events or compressive effects on the brain stem/cranial nerves due to the tortuous vessel.