Abstract
A case of primary hyperparathyroidism with a thyroid adenoma following two times histories of myocardial infarction was experienced. A 69-year-old female was transferred to the hospital with the diagnosis of myocardial infarction. With 210Tl-chloride scintigram image, an accumulation in the neck was demonstrated. Serum calcium and C-PTH were as high as 7.9 mEq/l and 13.5 ng/ml (<0.5), respectively. This case was diagnosed as primary hyperparathyroidism. CT scan and echogram showed the coexisting thyroid tumor. Partial resection of the left lobe of the thyroid and resection of the parathyroid tumor were performed. Histological examination demonstrated the parathyroid adenoma and follicular adenoma of the thyroid. Serum calcium and C-PTH level have become normal. The hypercalcemia due to the primary hyperparathyroidism seemed to have something to do with the myocardial infarction on this case. Careful attitude would be mandatory in the treatment of such cases having both diseases combinedly.
