HYPOPARATHYROIDISM is characterized by hypocalcemia,hyperphosphatemia and low or inappropriately normal levels of parathyroid hormone(PTH).PTH is a key calcium regulating hormone essential for calcium homeostasis,vitamin D-dependent calcium absorption,renal calcium reabsorption and renal phosphate clearance.Hypoparathyroidism may be due to congenital or acquired disorders.Causes include
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