Comparison of hypocalcemic hypercalciuria between patients with idiopathic hypoparathyroidism and those with gain-of-function mutations in the calcium-sensing receptor: is it possible to differentiate the two disorders?

Abstract excerpt

Gain-of-function mutations in the calcium ion-sensing receptor (CaR) cause hypocalcemia with low PTH levels. It is stated that patients with activating CaR mutations generally show milder degree of hypocalcemia before treatment and more profound hypercalciuria during treatment than those with idiopathic hypoparathyroidism (IHP). To test this validity we analyzed the data of serum and urinary calcium collected...

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