Renal papillary necrosis is caused by?: (A) NSAID, (B) Cocaine, (C) Heroin, (D) Morphine
Answer is A. Ans. (a) NSAIDRef Harrisonys Internal Medicine 18/e, Table 285-3, Radiology Illustrated, Uroladiology: Uroradiology by SeungHyup Ki 2/e, p 471