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
Necrotizing pappillitis is seen in : 
Select and explain. 
A. Salicylate poisoning, B. Glomerulonephritis, C. PNH, D. Diabetes insipidus
A: Salicylate poisoning
Answer: A: Salicylate poisoning 
Explanation: Answer is A (Salicylate poisoning) 'Salicylate poisoning' or analgesic abuse nephropathy is one of the most common causes of necrotizing papillitis.