Hyperparathyroidism-jaw tumor syndrome


Type of disease: Rare conditions

Hyperparathyroidism-jaw tumor syndrome is an inherited condition characterized by overactivity of the parathyroid glands (hyperparathyroidism), which regulate the body’s use of calcium. In people with this condition, hyperparathyroidism is caused by benign tumors (adenomas) that form in the parathyroid glands. About 15 percent of people with this condition develop a cancerous tumor called parathyroid carcinoma. About 25 to 50 percent of affected individuals can also develop a benign tumor called a fibroma in the jaw. Other benign or cancerous tumors can also develop, including tumors of the uterus in women; benign kidney cysts; and rarely, Wilms tumor. This condition is caused by mutations in the CDC73 gene and is inherited in an autosomal dominant fashion. Source: Genetic and Rare Diseases Information Center (GARD), supported by ORDR-NCATS and NHGRI.

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