Deformity of duodenal bulb, gastric metaplasia of duodenal regenerating mucosa and recurrence of duodenal ulcer: a correlated study.

Aim: To investigate the correlation among the presence and degree of gastric metaplasia of duodenal regenerating mucosa, the deformity of bulb and the recurrence of duodenal ulcer.

Methods: A total of 99 patients with duodenal ulcer were treated with H(2)-antagonist with or without antimicrobial therapy. All patients received follow-up endoscopic examinations 6 wk after treatment.