J Med Assoc Thai 1997; 80 (6):402

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Familial Paroxysmal Dyskinesia
Phanthumchinda K Mail, Yodnoplaklao P

Familial paroxysmal dyskinesia is characterized by recurrent episodic dystonia and/or
choreoathetosis with totally quiescent intervening periods. It is an autosomal dominant with variable
penetrance basal ganglia disorder. An 11 year old girl who presented with brief kinesigenic
paroxysmal dyskinesia is reported. The abnormal movements were dramatically controlled by
diphenylhydantoin. Spontaneous remission was seen in the elder sister of this family.

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