Nephrocalcinosis is seen in -

Ans. is 'b' i.e., Medullary sponge kidneyo Deposition of calcium stones on renal papillae is called nephrocalcinosis.o Nephrocalcinosis seen in -Renal tubular acidosis type I (A). Bater's syndrome Excess calcium intake Medullary sponge kidney Multiple myeloma Sarcoidosis Severe hypercalciuria Vitamin-D intoxication TB kidney (Love & Bailey) Hyperparathyroidism Metastatic bone disease