Source:http://linkedlifedata.com/resource/umls/id/C1864729
NCI: A rare, autosomal dominant hereditary syndrome characterized by hypercalcemia, abnormally high levels of parathyroid hormone, and isolated hyperfunctioning parathyroid tumors.,NCI: A rare inherited condition in which one or more tumors form in the parathyroid glands (four pea-sized organs found on the thyroid) and cause them to make too much parathyroid hormone. The increased parathyroid hormone causes a loss of calcium from the bones and too much calcium in the blood.