Related Experiment Videos
Histologic spectrum of diversion colitis.
1Department of Pathology, Medical College of Wisconsin, Milwaukee.
The American Journal of Surgical Pathology
|June 1, 1990
Summary
Diversion colitis, an inflammation in bypassed colonic segments, presents diverse histologic changes. Pathologic diagnosis requires clinical history, comparing colonic segments, and assessing response to short-chain fatty acid therapy.
Area of Science:
- Gastroenterology
- Pathology
Background:
- Diversion colitis is an inflammatory condition affecting bypassed colonic segments.
- It arises due to the diversion of the fecal stream, altering the colonic environment.
Purpose of the Study:
- To characterize the spectrum of histologic changes in diversion colitis.
- To identify key diagnostic features and therapeutic considerations.
Main Methods:
- Histologic examination of biopsy specimens from six patients with diversion colitis.
- Comparison of colonic segments with and without fecal stream diversion.
- Evaluation of clinical history and response to therapy.
Main Results:
- Histologic findings ranged from mild colitis to severe active chronic ulcerative colitis-like changes.
- Abnormalities included aphthous ulcers, crypt distortion, atrophy, abscesses, villous surface, and inflammatory infiltrates with lymphoid hyperplasia.
- Diagnosis depends on clinical context and comparative histology.
Conclusions:
- Diversion colitis exhibits a wide range of histologic alterations.
- Accurate diagnosis necessitates integrating clinical information, comparative colonic morphology, and therapeutic response, particularly to short-chain fatty acids.