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Extracranial Vertebral Artery Stenosis - Case 2

A 72 year-old man presented with nausea, vomiting and an unsteady gait. On examination, he was discovered to have a left sided visual field abnormality.

Outline the Vertebral Stenosis    Show the Cerebellar and Occipital Diffusion Abnormalities

(Left) Angiogram of the right subclavian artery. Note the high grade stenosis of the origin of the vertebral artery. (Right) Diffusion weighted MRI images - note the areas of acute infarction in the rostal cerebellum and right occipital lobe. This lesion was the cause of the patient's symptoms and was successfully treated by stent placement.

Revised 04/26/06.
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