Abstract
Most reported cases of paroxysmal kinesigenic dyskinesia (PKD) are idiopathic or familial; however, hypoparathyroidism is another unusual cause of secondary PKD. The pathomechanism of PKD remains poorly understood, and the association between idiopathic and secondary PKD remains an enigma, and has yet to be clearly elucidated. We recently encountered a patient with idiopathic PKD whose symptoms were aggravated by secondary hypoparathyroidism with hypocalcemia after having undergone a thyroidectomy. The patient’s paroxysms were ameliorated by the normalization of serum calcium levels. The results discussed herein may provide support for the hypothesis that PKD is associated with neuronal ion regulation.
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