Nephrocalcinosis is seen in all except?: (A) Polycystic kidney, (B) Hyperparathyroidism, (C) Medullary sponge kidney, (D) Renal tubular acidosis
Answer is A. Causes of Nephrocalcinosis Medullary sponge kidney Hyperparathyroidism/ Hypoparathyroidism Renal tubular acidosis Renal tuberculosis Hyperoxaluria Milk-alkali syndrome Sarcoidosis