Vascular ataxic hemiparesis: a prospective clinical and CT study.

Ataxic hemiparesis is a relatively frequent clinical syndrome in which motor and cerebellar deficits on the same side are associated. A prospective study conducted on 27 patients who displayed these vascular symptoms confirms that the areas crucial to the onset of this syndrome are the capsular region (posterior limb-corona radiata) and the upper basis pontis.