Primary hyperparathyroidism

Hyperparathyroidism is referred to as hyperparathyroidism. There are usually four parathyroid glands, which are closely attached to the inside of the dorsal lobes of the left and right thyroid glands. The glands are oval and flat, 5-6mm long, 3-4mm wide, and about 2mm thick; 30-30mg in weight; tan and soft. The parathyroid glands secrete parathyroid hormone, whose physiological function is to regulate the metabolism of calcium in the body and maintain the balance of calcium and phosphorus in the body. Primary hyperparathyroidism is mostly caused by a single parathyroid adenoma (90%), less by multiple adenomas or hyperplasia of parathyroid glands, and rarely by adenocarcinoma.

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