Prevalence of subtypes of intestinal metaplasia in gastric antral mucosa

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Abstract
A prospective gastroscopic-bioptic study of 533 patients was performed to assess the prevalence and distribution of intestinal metaplasia (IM) and its subtypes in the antral mucosa of patients with various upper intestinal disorders and to assess whether the presence of certain IM subtypes might be of help in selecting patients for careful endoscopic-bioptic surveillance in the screening for gastric carcinoma. IM was found in 135 patients (25.3%). Its prevalence increased with age (PPPPP<0.01) or diffuse-type carcinoma. These results suggest that type III IM may play a special role in the histogenesis of intestinal-type carcinoma and suggest that the finding of this IM subtype in gastric biopsies may possibly be of help in identifying patients at greater risk of developing carcinoma.

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