Renal papillary necrosis is almost associated with the following condition: (A) Diabetes mellitus, (B) analgesicnephroathy, (C) Chronic pyelonephritis, (D) Post streptococcal GN
Answer is A. Refer p 936 Most common cause of papillary necrosis is diabetes mellitus Acute papillary necrosis is most often a complication of acute pyelonephritis in diabetes. Chronic papillary necrosis is seen in assoscation with analgesic nephropathy