Colon non tumor
Reviewer: Hanni Gulwani, M.D. (see Reviewers page)
Revised: 12 May 2013, last major update February 2013
Copyright: (c) 2003-2013, PathologyOutlines.com, Inc.
- Chronic watery diarrhea of unknown etiology with acute onset and long duration (Centers for Disease Control, Wikipedia)
- First case in 1983 in Brainerd, Minnesota (USA)
- Similar to epidemic infectious diarrhea, but symptoms usually last 4+ weeks, often years
- Most patients recover within 3 years or less
- Surface epithelial lymphocytosis (similar to lymphocytic colitis) with no architectural distortion, no degenerative changes, no thickened subepithelial collagen (Am J Surg Pathol 1996;20:1102)
End of Colon non tumor > Colitis (non-infectious) > Brainerd diarrhea
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