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May 1983

Capsular Ataxic Hemiparesis

Author Affiliations

Instituto di Anatomia University of Milan Via L. Mangiagalli 31 20133 Milan, Italy

Arch Neurol. 1983;40(5):326. doi:10.1001/archneur.1983.04050050094021

To the Editor.  —In a recent issue of the Archives (1982;39:528-529), Iragui and McCutchen reported a case of ataxic hemiparesis due to an infarct in the posterior limb of the internal capsule. They referred to it as "capsular ataxic hemiparesis," stressing the absence of signs of brain-stem dysfunction, which are present when the ataxia-hemiparesis syndrome results from pontine lesions.1 We report another case of capsular ataxic hemiparesis.

Report of a Case.  —A 53-year-old hypertensive man was admitted to the hospital for right hemiparesis of sudden onset. Right hemiparesis, dysarthria, and marked dysmetria were found. On the right side, the deep reflexes were brisk, and Babinski's sign was present. There were no sensory defects, nystagmus, or other signs of brain-stem dysfunction. The patient could stand up with an enlarged base.In the following days, the facial and upper-extremity motor defects cleared, and only distal spastic crural paresis was present. However

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