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Persistent Posterior Fossa Hypoperfusion in the Setting of Vertebrobasilar Dolichoectasia

64-year-old man presented with right gaze devia-tion, left sided visuosensory neglect, and dysarthria, 2 hours after onset. This occurred in the setting of hypertension, dyslipidemia, ischemic heart disease, prior left posterior cerebral artery ischemic stroke without residual deficits and an ex-smoking history. A blood pres-sure of 150/90 mm Hg and heart rate of 90 bpm were observed on initial assessment. A presumptive diagnosis of a right hemispheric stroke was made, and multimodal computed tomography (CT) was performed. A noncontrast CT of the brain posterior cerebral artery infarct. The CT angiogram revealed several established Similar diagnostic criteria have been developed for anterior circulation IADE.