This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: None, Subject name: Medicine
Nephrocalcinosis is seen in all except - 
Select and explain. 
A. Sarcoidosis, B. Distal RTA, C. Milk alkali syndrome, D. Medullary cystic kidney
D: Medullary cystic kidney
Answer: D: Medullary cystic kidney 
Explanation: None