Kinesiogenic Choreoathetosis and Idiopathic Hypoparathyroidism

Abstract
INVOLUNTARY motor derangements and calcification of the basal ganglions as manifestations of hypoparathyroidism have received periodic attention in the medical literature. The patient described below had an unusual paroxysmal motor disturbance due to idiopathic hypoparathyroidism that was corrected with vitamin D.Case SummaryA 30-year-old man had an 11-year history of spells characterized by a sudden tonic contraction of the head, right arm and leg (Fig. 1) occurring several times each week only after vigorous activity such as running or dancing, lasting about 30 seconds and unassociated with premonitory symptoms or sequelae. During the height of the abnormal posture there . . .

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