1994 Volume 36 Issue 8 Pages 1583-1590_1
Endoscopic examination of the upper gastrointestinal tract in 17, 788 cases from April 1983 to March 1993 revealed in 130 persons to have ulcers of the pylorus, 3 % of the 4, 392 peptic ulcers. The 130 patients with pyloric channel ulcer included 90 men and 40 women whoes age ranged from 25 to 86 years, the average age being 52.0 years. Upper abdominal pain, hunger pain, nausea and vomiting were observed more frequently in patients with pyloric channel ulcer than in patients with gastric or duodenal ulcers. The incidence of independent pyloric channel ulcer was 41.5%, while the incidence for combined gastric, duodenal and gastroduodenal ulcer was 23.8%, 22.3% and 12.4% respectively. Regarding number and form of pyloric channel ulcer, 106 of the cases (81.5%) were single ulcers, while 12 cases (9.2%) were linear ulcers. Pyloric channel ulcers were frequently located on the lesser curvature (35.0%) and on the anterior wall (31.9%). Gastric ulcer associated with pyloric channel ulcers were frequently located on the lesser curvature (87.5%), in the anglus (56.3%) and on the lesser curvature of the anglus (approximately 50%). Regarding gastric mucosal lesions erythema was observed more frequently in patients with pyloric channel ulcer (33.3%) than in patients with gastric or duodenal ulcer.
