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Collagenous gastritis and collagenous colitis: a report with sequential histological and ultrastructural findings
  1. A B Pulimood,
  2. B S Ramakrishna,
  3. M M Mathan
  1. Wellcome Trust Research Laboratory, Christian Medical College and Hospital, Vellore 632004, India
  1. Dr A B Pulimood, Department of Surgery, School of Surgical Sciences, The Medical School, University of Newcastle, Newcastle upon Tyne NE2 4HH, UK.


The case is reported of a young adult man with collagenous gastritis, an extremely rare disorder with only three case reports in the English literature, who subsequently presented with collagenous colitis. Sequential gastric biopsies showed a notable increase in thickness of the subepithelial collagen band. Ultrastructural study of gastric and rectal mucosa showed the characteristic subepithelial band composed of haphazardly arranged collagen fibres, prominent degranulating eosinophils, and activated pericryptal fibroblasts.

  • collagenous gastritis
  • collagenous colitis
  • stomach
  • colon

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