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Title: Patterns of inflammation linked to ulcer disease. Author: Dixon MF. Journal: Baillieres Best Pract Res Clin Gastroenterol; 2000 Feb; 14(1):27-40. PubMed ID: 10749087. Abstract: Peptic ulcers are accompanied by different patterns of chronic gastritis and duodenitis that generally run parallel to the topography of colonization by Helicobacter pylori (H. pylori). Duodenal ulcers arise on a background of a gastroduodenitis; the gastritis is antrum-predominant while the duodenitis requires acid-induced gastric metaplasia in the duodenal mucosa before bacterial colonization can occur. The colonized and inflamed metaplastic areas in the duodenum (and inflamed pre-pyloric antrum) are the initial sites of ulceration. Proximal gastric ulcers arise in a diffuse (pan-) gastritis or a corpus-predominant H. pylori gastritis when the weakened gastric mucosa (especially in the antrum-body transitional zone) is susceptible to ulceration even in the presence of subnormal acid production. These distinctive patterns of gastritis are sufficiently consistent for them to be used to predict ulcer risk.[Abstract] [Full Text] [Related] [New Search]