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Canadian Journal of Gastroenterology
Volume 14, Issue 11, Pages 943-947

Collagenous and Lymphocytic Colitis: A Clinical and Histopathological Review

Johan Bohr, Martin Olesen, Curt Tysk, and Gunnar Järnerot

Department of Medicine, Division of Gastroenterology, Örebro Medical Centre Hospital, Örebro, Sweden

Received 24 June 1999; Revised 28 June 1999

Copyright © 2000 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.


Collagenous colitis and lymphocytic colitis are newly described colitides that are only diagnosable microscopically; therefore, both are known under the umbrella term ’microscopic colitis’. This is a short review of the clinical findings, and epidemiological and basic observations of these relatively little described colitides belonging to the group of inflammatory bowel diseases.