A condition caused by a deficiency of PARATHYROID HORMONE (or PTH). It is characterized by HYPOCALCEMIA and hyperphosphatemia. Hypocalcemia leads to TETANY. The acquired form is due to removal or injuries to the PARATHYROID GLANDS. The congenital form is due to mutations of genes, such as TBX1; (see DIGEORGE SYNDROME); CASR encoding CALCIUM-SENSING RECEPTOR; or PTH encoding parathyroid hormone.

An endocrine disorder characterized by decreased production of parathyroid hormone by the parathyroid glands. It is usually caused by damage of the parathyroid glands during head and neck surgery. Signs and symptoms include muscle cramps, abdominal pain, dry skin, brittle nails, cataracts, tetany, and convulsions.

Condition produced by greatly reduced function of the parathyroids possibly due to autoimmune disease or genetic factors, or by the removal of those bodies; lack of parathyroid hormone leads to a fall in plasma calcium level, which may result in increase neuromuscular excitability and ultimately tetany followed by a rise in plasma phosphate level.

Decreased production or secretion of parathyroid hormone by the parathyroid gland, resulting in hypocalcemia due to decreased release of calcium and phosphate from bone matrix, decreased renal calcium reabsorption, and decreased renal production of 1,25-dihydroxyvitamin D-3, which decreases intestinal absorption of calcium. Hypoparathyroidism is also associated with hyperphosphatemia as a result of hypophosphaturia.

A disorder characterized by a decrease in production of parathyroid hormone by the parathyroid glands.

Hypoparathyroidism is a deficiency of parathyroid hormone often caused by an autoimmune disorder or by iatrogenic damage or removal of the glands during thyroidectomy or parathyroidectomy. Symptoms of hypoparathyroidism are due to hypocalcemia and include tingling in the hands or around the mouth and muscle cramps. In severe causes,...

Hypoparathyroidism is a condition of parathyroid hormone (PTH) deficiency. Primary hypoparathyroidism is a state of inadequate PTH activity.

Hypoparathyroidism is an uncommon condition in which your body produces abnormally low levels of parathyroid hormone (PTH). PTH is key to regulating and maintaining a balance of two minerals in your body - calcium and phosphorus.

Hypoparathyroidism is is an endocrine disorder in which the parathyroid glands in the neck do not produce enough parathyroid hormone (PTH). Common signs and symptoms include abdominal pain, brittle nails, cataracts, dry hair and skin, muscle cramps, tetany, pain in the face, legs, and feet, seizures, tingling sensation, and weakened...

The disorder is caused by relative or absolute deficiency of plasma parathyroid hormone (PTH) synthesis and secretion. This leads to low albumin-corrected serum total calcium and elevated serum phosphate. Signs and symptoms can involve the neuromuscular, psychiatric, cardiac, ocular, dermatologic, gastrointestinal, and renal/urologic...

Hypoparathyroidism, inadequate secretion of parathormone. Hypoparathyroidism can be due to decreased secretion of parathormone or, less often, to decreased action of parathormone (pseudohypoparathyroidism). In either case, hypoparathyroidism results in decreased mobilization of calcium from bone...