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Canadian Journal of Gastroenterology
Volume 15 (2001), Issue 7, Pages 475-478
http://dx.doi.org/10.1155/2001/243198
Brief Communication

Topographic Mapping of Collagenous Gastritis

Hugh J Freeman

Department of Medicine (Gastroenterology), University of British Columbia, Vancouver, British Columbia, Canada

Received 23 May 2000; Accepted 24 July 2000

Copyright © 2001 Hindawi Publishing Corporation. This is an open access article distributed under the Creative Commons Attribution License, which permits unrestricted use, distribution, and reproduction in any medium, provided the original work is properly cited.

Abstract

A 74-year-old woman was investigated for abdominal pain and diarrhea. Endoscopic examinations including biopsies of the stomach and colon demonstrated the typical subepithelial deposits characteristic of collagenous gastritis and collagenous colitis. Histochemical and ultrastructural methods confirmed the presence of collagen in the subepithelial deposits. The topographic distribution of these collagen deposits and their relationship to the inflammatory process in the stomach were then defined by endoscopic mapping and multiple site biopsies of the mucosa in the gastric body and antrum. These studies indicate that collagenous gastritis not only is distinctive, but also is a far more extensive and diffuse inflammatory process than has previously been appreciated.