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Reviewers: Elliot Weisenberg, M.D. (see Reviewers page)
Revised: 5 August 2012, last major update August 2012
Copyright: (c) 2003-2012, PathologyOutlines.com, Inc.


● Common opportunistic pathogen in patients with AIDS
● Rarely presents in stomach

Toxoplasma gondii:
● Obligate intracellular coccidian protozoan that infects humans, other mammals, birds
● Sexual reproduction occurs in cats
● Oocytes are passed in cat feces, ingested from contaminated soil, excyst in duodenum, release sporozoites that invade intestine
● Infection also by ingesting viable tissue cysts in undercooked meat

Case reports

● 49 year old man with AIDS (Arch Pathol Lab Med 2003;127:732)

Micro description

● Variable acute and chronic inflammatory infiltrates, usually in antrum or fundus
● Trophozoites present

Micro images

Various images

End of Stomach > Infections > Toxoplasmosis

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