👉 Parathyrida, also known as parathyroid gland cancer, is a rare form of bone disease characterized by the overproduction or abnormal function of calcium and phosphorus in the body's parathyroid tissue. Parathyroid glands are located behind the thyroid gland. They produce a hormone called parathyroid hormone (PTH) that helps maintain blood levels of calcium and phosphate in the bones. When PTH is produced too much, it can lead to bone loss and osteoporosis. The
