Duodenitis.

"Duodenitis" remains a controversial area in clinical medicine. This review discusses the various methods of diagnosis (histology, radiology, endoscopy) and concludes that "endoscopic duodenitis" is a definite clinical entity. Studies are presented on the changes in duodenitis in relation to peptic ulcer disease, and it is concluded that "endoscopic duodenitis" is unlikely to be the cause of symptoms unless accompanied by a peptic ulcer.