Author: Elliot Weisenberg, M.D. (see Authors page)

Revised: 1 December 2016, last major update August 2012

Copyright: (c) 2003-2016,, Inc.

PubMed Search: stomach cryptosporidium
Cite this page: Cryptosporidium. website. Accessed November 21st, 2018.
Definition / general
  • Protozoa that causes persistent watery diarrhea in AIDS patients
  • Most common in small bowel, affects small and large bowel, gallbladder, and stomach
  • Self limited disease in immunocompetent patients, chronic disease in immunosuppressed
Microscopic (histologic) description
  • 2 - 4 micron, rounded basophilic organism adherent to surface epithelial cells
Positive stains