Incidence of peptic ulcer in the Zambian African - a radiological study.

Five hundred and sixty-eight (568) consecutive barium meal examinations have been studied. 152 showed peptic ulcer. There were 146 duodenal and six gastric ulcers. Eight were post-bulbar ulcers, and multiple ulcers were seen in only 4. Clinically, none had pancreatic adenoma. The ratio of male to female was as follows:- referral 4.7 to 1.0; of those who had peptic ulcer, 4.1. The incidence of peptic ulcer was equally distributed in all social classes.