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We report 9 patients with an isolated infarct of the anterior part of the rostral cerebellum,ie,the territory of the lateral branch of the superior cerebellar artery.Clinicoanatomic correlations are based on CT,MR,or both in 8 patients and on pathologic data in the ninth.The main clinical features were ipsilateral dysmetria and axial lateropulsion,dysarthria,and unsteadiness.In 1 patient,the clinical presentation mimicked a lacunar stroke(dysarthria and clumsy hand syndrome).There were no edematous cerebellar infarcts with signs of brainstem compression,and all patients spontaneously improved without significant sequellae.Angiography in 2 patients and pathologic examination of arteries in 1 patient disclosed no occlusion in the vertebrobasilar system.Six patients had a cardiac source of emboli.In conclusion,infarcts of the anterior part of the rostral cerebellum can be regarded as a benign condition in which there is, frequently,a cardiac source of emboli. |
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