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Small bowel (small intestine)

Infectious disorders

Escherichia coli

Reviewer: Hanni Gulwani, M.D. (see Reviewers page)
Revised: 17 December 2012, last major update August 2012
Copyright: (c) 2003-2012, PathologyOutlines.com, Inc.

General
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● Causes traveler’s diarrhea (watery diarrhea, hemorrhagic colitis / hemolytic-uremic syndrome)

Different types of E. coli infection:
● Enterotoxigenic: cholera like, not invasive, from food or water, toxins activate adenylate cyclase and guanylate cyclase
● Enterohemorrhagic: shiga-like toxin, not invasive, from undercooked beef
● Enteropathogenic: enterocyte effacement, no invasion, from weaning foods, water; fatal diarrhea in newborns, colonize proximal small intestine
● Enteroinvasive: invasion and local spread, from cheese, water, person-to-person spread
● Enteradherent: noninvasive, adherent to epithelial brush border; chronic prolonged diarrhea, villous atrophy

End of Small bowel (small intestine) > Infectious disorders > Escherichia coli

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