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  • Title: Paroxysmal choreoathetosis: report of five cases and review of the literature.
    Author: Kinast M, Erenberg G, Rothner AD.
    Journal: Pediatrics; 1980 Jan; 65(1):74-7. PubMed ID: 7355039.
    Abstract:
    Paroxysmal choreoathetosis is a rare, involuntary movement disorder. Attacks occur spontaneously or may be induced by movement, startle, or anxiety. The movements are tonic, dystonic, or choreoathetotic. Sporadic and, more commonly, familial cases have been reported. Onset occurs most often during childhood, and the course is nonprogressive. Response to anticonvulsant therapy is usually excellent. Five cases of the sporadic form of paroxysmal choreoathetosis are reported. Three of the five patients had attacks after initiation of movements such as rising from a chair. Results of physical examination were normal in four patients. One child had mild hemiatrophy and unilateral hyper-reflexia. Results of laboratory studies, including determinations of serum calcium and ceruloplasmin levels, EEGs and CAT scans of the head, were normal. The attacks ceased in all patients after treatment with either phenytoin or carbamazepine.
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