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Heterotopic Gastric (Fundic) Mucosa in the Duodenum
17 March 2008 (online)
Twenty cases of heterotopic fundic mucosa in the duodenum are reported. The patients had several small polyps ranging from one to three mm tightly grouped to form a plaque in a limited zone of the duodenal bulb. In some cases the polyps were separated from one another. They were round or conical and manifested a frosted-glass appearance with a pale-pink or redded coloration. In two cases a whitish solitary polyp of five mm was located in the 2nd part of the duodenum.
Biopsies obtained from the polyps revealed them to be composed of fundal mucosa, thus representing a particular form of heterotopia, other than the steroid-induced type, and that of patients undergoing regular dialysis for uraemia. The different clinical and morphological data in the various forms of fundal heterotopia are discussed.
Duodenum - Fundal mucosa - Heterotopia - Polyps