Internal Medicine
Online ISSN : 1349-7235
Print ISSN : 0918-2918
ISSN-L : 0918-2918
Spontaneous Remission of Primary Hyperparathyroidism due to Hemorrhagic Infarction in the Parathyroid Adenoma
Koshi NATSUIKiyoshi TANAKAMichio SUDAAkihiro YASODAShin YONEMITSUKazuwa NAKAO
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1996 Volume 35 Issue 8 Pages 646-649

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Abstract

A 59-year-old man visited Kyoto University Hospital because of general malaise, polyuria, and polydipsia. The diagnosis of primary hyperparathyroidism was made based on hypercalcemia and an elevated circulating PTH level. A nodule was palpable in the left anterior neck. Two weeks later, the serum calcium level was normalized and his symptoms subsided. A temporary expansion, followed by reduction of the tumor size was observed by serial ultrasonography. Histology of the resected tumor showed central necrotic tissue, with some peripherally remaining glandular tissue. We report here a rare case of primary hyperparathyroidism with spontaneous remission due to hemorrhagic infarction in the adenoma.
(Internal Medicine 35: 646-649, 1996)

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