This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: Kidney disorders, Subject name: Pathology
[{'content': 'Nephrocalcinosis is seen in all except: \nSelect and explain. \nA. Sarcoidosis, B. Distal A, C. Milk alkali syndrome, D. Medullary cystic kidney', 'role': 'user'}, {'content': 'Answer: D \nExplanation: Nephrocalcinosis Diffuse deposition of calcium salts in the interstitium of the kidney associated with sarcoidosis, milk alkali syndrome and distal renal tubular acidosis Not associated with medullary cystic kidney. (DISTAL A= TYPE ONE A =STONE )', 'role': 'assistant'}]