Six hundred and one intravenous Urograms (IVU) done at the General Hospital, Kuala Trengganu from 1981 to 1985 were reviewed retrospectively for Renal Papillary Necrosis (RPN). It was found that 1.3% of IVUs had RPN. There was a higher incidence of RPN amongst males as compared to females. RPN occurred more commonly in the younger age groups.