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Stomach

Infections

Anthrax


Reviewers: Elliot Weisenberg, M.D. (see Reviewers page)
Revised: 31 July 2012, last major update July 2012
Copyright: (c) 2003-2012, PathologyOutlines.com, Inc.

General
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● Most severe and rarest form of anthrax occurs in stomach, due to ingestion of raw meat/milk from infected animals (Arch Pathol Lab Med 2003;127:761)
● Only occurs in underdeveloped regions
● Death due to marked fluid/blood loss from GI tract due to bacterial exotoxin (edema factor) that causes endothelial damage
● Also hemorrhagic lymphadenitis, ascites, sepsis, bowel edema, obstruction, perforation

Gross description
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● Gastric ulceration, edema, hemorrhage

Micro description
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● Extensive acute hemorrhagic gastritis and necrosis
● Gram stain: large box car shaped, encapsulated, gram positive rods of Bacillus anthracis

Micro images
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B: gram stain

End of Stomach > Infections > Anthrax


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