Familial Paroxysmal Dyskinesia
KAMMANT PHANTHUMCHINDA, M.D.*, PRAPAN YODNOPLAKLAO, M.D.**
Affiliation : * Department of Medicine, Faculty of Medicine, Chulalongkorn University, Bangkok 10330, ** Department of Medicine, Surin Hospital, Surin 32000, Thailand.
Abstract Familial paroxysmal dyskinesia is characterized by recurrent episodic dystonia and/or choreoathetosis with totally quiescent intervening periods. It is an autosomal dominant with vari- able 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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