The commonest cause of Renal papillary necrosis -: (A) Analgesic nephropathy, (B) Pyelonephritis, (C) Diabetes, (D) Sick cell anemia
Answer is C. Ans- C Most common cause is DM. Renal papillary necrosis is almost always a/w with pyelonephritis(Pyelonephritis is caused by DM, Analgesic, SCA) So MCC is DM&MC association is Analgesic Nephropathy.