Most common cause of Papillary necrosis is: (A) Diabetes Mellitus, (B) Sickle cell anaemia, (C) Analgesics, (D) Pyelonephritis
Answer is C. Major causes of Papillary Necrosis1. Analgesic nephropathy2. Sickle cell nephropathy3. Diabetes with UTI4. Prolonged NSAID use Reference: Harrison&;s Principles of Internal Medicine; 19th edition; Chapter 340; Tubulointerstitial Diseases of the Kidney