Effect of capsular infarct size on clinical presentation of stroke.

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Abstract
We reviewed the medical records and cranial computed tomograms of 74 patients with acute capsular infarcts to investigate the correlation between infarct size and clinical symptoms. Average infarct size varied significantly by clinical syndrome; patients with sensorimotor stroke had the largest infarcts, patients with pure motor hemiparesis had middle-sized infarcts, and patients with ataxic hemiparesis or the dysarthria-clumsy hand syndrome had the smallest infarcts. Although it has been proposed that the type of lacunar syndrome is determined entirely by the infarct location, our results suggest that infarct size is another important factor influencing the clinical presentation of lacunar syndromes.

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