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Paroxysmal dystonic choreoathetosis in a patient with familial ataxia

Department of Neurology, Columbia University College of Physicians and Surgeons, New York, NY.

A patient with paroxysmal dystonic choreoathetosis also had familial ataxia. His brother was similarly affected but had rare paroxysmal episodes. No secondary or symptomatic forms of this type of paroxysmal dyskinesia have ever been reported. Episodes were briefly controlled with acetazolamide and were almost completely eliminated by clonazepam therapy.

Address correspondence and reprint requests to Dr. Mayeux, Neurological Institute, 710 West 168 Street, New York, NY 10032.

This work was supported in part by a National Institutes of Health Award No. AG02802-01.

This paper was presented at the thirty-second annual meeting of the American Academy of Neurology, New Orleans, May 1980.

Accepted for publication March 16, 1982.

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