Bilateral cerebellar infarction caused by dominant medial posterior inferior cerebellar artery

Abstract
A 71-year-old man with a history of hypertension presented with an abrupt gait disturbance. On neurologic examination, he could stand but not walk due to gait ataxia. He did not have tremor or dysdiadochokinesia. Brain MRI revealed an acute infarction in the vermis and adjacent areas on the bilateral cerebellar hemispheres, which were consistent with the involvement of the territories of the bilateral mPICA (figure, A).1 A selective …