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  • Title: Does Helicobacter pylori colonize the gastric mucosa of Meckel's diverticulum?
    Author: Fich A, Talley NJ, Shorter RG, Phillips SF.
    Journal: Mayo Clin Proc; 1990 Feb; 65(2):187-91. PubMed ID: 2304363.
    Abstract:
    Helicobacter pylori (formerly, Campylobacter pylori) is a highly adapted organism that seems to infect only gastric-type mucosa. In this study, we attempted to determine whether gastric epithelium at a site distant from the stomach, the heterotopic gastric mucosa of Meckel's diverticulum, was susceptible to colonization by H. pylori. Retrospectively, we examined biopsy specimens from 23 patients who had undergone resection of Meckel's diverticulum that contained heterotopic gastric mucosa. As a methodologic control, we also reviewed antral biopsy specimens from 18 patients with chronic duodenal ulcer who had undergone antrectomy. Heterotopic gastric mucosa in Meckel's diverticulum was of antral type in 13 patients and fundic type in 10 patients. Six patients had an ulcer in the diverticulum. No evidence of chronic or active chronic gastritis was detected in the heterotopic gastric mucosa. H. pylori was not found in any Meckel's diverticula but was present in the antrum of 89% of patients with duodenal ulcer. These results suggest that H. pylori may not colonize the heterotopic gastric mucosa of Meckel's diverticulum and has no role in the development of ulceration at this site.
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