Small bowel (small intestine)

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Small bowel (small intestine)

Infectious disorders

Salmonella

Reviewer: Hanni Gulwani, M.D. (see Reviewers page)
Revised: 18 December 2012, last major update August 2012
Copyright: (c) 2003-2012, PathologyOutlines.com, Inc.

General
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● Bacterial causing food poisoning and typhoid fever (S. typhi)
● Typhoid fever: systemic dissemination with bacteremia, fever, chronic infection of joints, biliary tree, bones and meninges
● From contaminated milk, eggs, beef, poultry
● Usually affects terminal ileum

Gross images
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Various images

Micro description
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● Ulcers overlying Peyer’s patches with minimal inflammatory cells, chiefly mononuclear (plasma cells, histiocytes and lymphocytes)
● Often histiocytes with erythrophagocytosis
● May lead to perforation or toxic megacolon

Micro images
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Lymph node

Various images

Additional references
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● Science 2010;330:390, Gut 1985;26:935

End of Small bowel (small intestine) > Infectious disorders > Salmonella

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