Hyperparathyroidism, Primary
Synonyms
Hyperparathyroidisms, Primary
Primary Hyperparathyroidism
Primary Hyperparathyroidisms
A condition of abnormally elevated output of PARATHYROID HORMONE due to parathyroid HYPERPLASIA or PARATHYROID NEOPLASMS. It is characterized by the combination of HYPERCALCEMIA, phosphaturia, elevated renal 1,25-DIHYDROXYVITAMIN D3 synthesis, and increased BONE RESORPTION.