[A case of mediastinal parathyroid adenoma with primary hyperparathyroidism]. by N Itoh, S. Hosokawa, Takuo Koide, Takao Sonoda, Y Monden.
A 21-year-old man with a history of recurrent urolithiasis was admitted. Hypercalcemia found and diagnosis primary hyperparathyroidism made. Neck exploration performed without success. Localization studies were done. Repeated selective arteriography revealed mediastinal parathyroid adenoma. CT scan as well showed the adenoma in anterior mediastinum. Ultrasonotomography, 201Tl-chloride 131I scintigraphy subtraction image two venous samplings negative. Mediastinal partial sternotomy subsequently removed. Serum calcium phosphorous levels normalized, several postoperative days.
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