<prompt> Nephrocalcinosis is seen in all except :SarcoidosisDistal AMilk alkali syndromeMedullary cystic kidney  <response>: Medullary cystic kidney Nephrocalcinosis Conditions associated with nephrocalcinosis are :- . Hyper ox aluri a . Hyperparathyroidism . Prolonged immobilization . Hypervitaminosis D . Hypophosphatemic rickets excessive bone destruction in metastatic . Coical necrosis malignancies such as multiple myeloma . Cushing syndrome . Hypehyroidism . Hyperuricosuria . Excessive calcium intake . Renal candidiasis milk alkali syndrome . Sarcoidosis . Renal tubular acidosis distal . Medullary sponge kidney Nephrocalcinosis is a diffuse deposition of calcium salts in the interstitium of the kidney. Symptoms The earliest functional defect is the inability to produce a concentrated urine. Other tubular defects such as tubular acidosis and salt losing nephritis might occur. It is radiologically demonstrated by small opacities in the renal papillae. 