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Bipolar disorder in idiopathic dystonia: clinical features and possible neurobiology
E C Lauterbach1, T E Spears, S T Price
1Department of Psychiatry and Behavioral Sciences, Mercer University School of Medicine, Macon, Georgia 31207.
Abstract:
The authors report 5 patients with bipolar disorders in the context of primary idiopathic dystonia. Four patients had DSM-III-R bipolar disorder, mixed, and one had cyclothymic disorder as diagnosed using the Structured Clinical Interview for DSM-III-R (SCID). All cases of bipolar disorder manifested rapid cycling. Three patients with bipolar disorder experienced onset of this illness soon after the onset of cervicocranial dystonia (5 neck dystonia, 4 craniofacial, 2 brachial, 1 vocal cord, 1 thoracic). These cases apparently represent a first report of bipolar disorders in dystonia. Clinical management, relevant literature, and putative neurobiology are reviewed.