Lymphocytic colitis is a form of microscopic colitis clinically associated with watery diarrhea. Histologically, increased lymphocytes are seen in the colonic epithelium and the lamina propria. Lymphocytic colitis is associated with ≥20 intraepithelial lymphocytes per 100 surface epithelial cells. There is no increase in collagen. Because the epithelium endoscopically appears normal, mucosal biopsy for histological examination is needed to make the diagnosis.

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Lymphocytic Colitis

  • Michelle D. Inkster,
  • Homer O. Wiland,
  • Eric W. Willis,
  • James S. Wu

摘要

Lymphocytic colitis is a form of microscopic colitis clinically associated with watery diarrhea. Histologically, increased lymphocytes are seen in the colonic epithelium and the lamina propria. Lymphocytic colitis is associated with ≥20 intraepithelial lymphocytes per 100 surface epithelial cells. There is no increase in collagen. Because the epithelium endoscopically appears normal, mucosal biopsy for histological examination is needed to make the diagnosis.