Small intestine & ampulla
Infectious disorders

Topic Completed: 1 August 2012

Minor changes: 14 July 2020

Copyright: 2003-2019,, Inc.

PubMed Search: Cryptosporidium parvum[TI] small bowel

Hanni Gulwani, M.B.B.S.
Page views in 2019: 1,302
Page views in 2020 to date: 823
Cite this page: Gulwani H. Cryptosporidium. website. Accessed August 14th, 2020.
Definition / general
  • Acid fast protozoa which causes self limited disease in immunocompetent but severe watery diarrhea resistant to most therapy in immunocompromised (J Biomed Res 2012;25:1)
  • Acid fast infective oocyst in stool
Microscopic (histologic) description
  • 2 - 5 micron basophilic spherical structures attached to microvillus surface of epithelium
  • Variable villus abnormality, may have eosinophils infiltrating mucosa
Microscopic (histologic) images

Images hosted on other servers:

Various images

Positive stains
Differential diagnosis
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