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Myoclonus associated with hyperthyroidism and thymoma: a case report
1Neurological Institute, Veterans General Hospital-Taipei, Taiwan, R.O.C.
Abstract:
Movement disorders associated with hyperthyroidism or thymoma are extremely rare. A 52-year-old woman had developed myoclonus since June, 1989. Hyperthyroidism and thymoma were diagnosed 1 month and 9 months later. Myoclonus improved after thyroid treatment and thymectomy. If the association was not only a coincident phenomenon, autoimmunity should be considered in this previously unrecognized association.