Collagenous colitis


67 year old woman with 4 month history of watery diarrhea. Colonic mucosa with thickening

of the subepithelial collagen table with entrapment of capillaries and an increased

 population of lymphocytes, plasma cells and eosinophils within the lamina propria.

Contributed by: Drs. James Carlsten and Murray Resnick

1 minute clinical correlation

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