Lung - nontumor

Topic Completed: 1 September 2011

Revised: 29 January 2019, last major update September 2011

Copyright: (c) 2003-2017,, Inc.

PubMed search: cryptosporidium pulmonary

Elliot Weisenberg, M.D.
Page views in 2019: 287
Page views in 2020 to date: 152
Cite this page: Weisenberg E. Cryptosporidium. website. Accessed May 28th, 2020.
Definition / general
  • Waterborne protozoal infection that mostly infects intestinal epithelium causing diarrhea or malabsorption
  • Often causes self limited illness in immunocompetent patients
  • In HIV / AIDS, may spread to hepatobiliary tree or airways
Microscopic (histologic) description
  • Characteristic spores on luminal epithelial cells
  • Mucosa with mild lymphocytic infiltrate
Cytology images

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Cryptosporidium in sputum

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