<prompt> Nephrocalcinosis in a systemic granuomatous disease is due toOver production of 1,25 dihydroxy vitamine DDystrophic calcificationMutation in calcium sensing receptorsIncreased reabsorption of calcium  <response>: Ref Robbins 8e p 433-436 Nephrocalcinosis, once known as Albrights calcinosis after Fuller Albright, is a term originally used to describe deposition of calcium salts in the renal parenchyma due to hyperparathyroidism. The term nephrocalcinosis is used to describe the deposition of both calcium oxalate and calcium phosphate. It may cause acute kidney injury 