Microbiology, parasitology & COVID-19
Parasites-gastrointestinal (not liver)
Cyclospora cayetanensis
Author: Nat Pernick, M.D.
Last author update: 8 August 2019
Last staff update: 5 October 2020
Copyright: 2019-2023, PathologyOutlines.com, Inc.
PubMed Search: Cyclospora cayetanensis[TI] full text[sb]
Table of Contents
Definition / general | Diagrams / tables | Diagnosis | Case reports | Microscopic (histologic) description | Microscopic (histologic) imagesCite this page: Pernick N. Cyclospora cayetanensis. PathologyOutlines.com website. https://www.pathologyoutlines.com/topic/parasitologycyclospora.html. Accessed June 5th, 2023.
Definition / general
- Coccidian parasite associated with municipal water systems, first reported in late 1970s, causes protracted diarrhea (Clin Microbiol Rev 2010;23:218)
Diagrams / tables
Images hosted on other servers:
Life cycle
Diagnosis
- Oocyst in stool with modified acid fast stain
- Diagnosis can be made by the shape and size of oocysts (~8 micrometers in diameter) (Pritt: Creepy Dreadful Wonderful Parasites Blog - Answer to Case 551 [Accessed 8 August 2019])
Case reports
- Objects were seen on a stool specimen stained by Wright-Giemsa to look for fecal leukocytes (Pritt: Creepy Dreadful Wonderful Parasites Blog - Case of the Week 551 [Accessed 8 August 2019])
Microscopic (histologic) description
- Resembles Isospora
Microscopic (histologic) images
Contributed by Bobbi Pritt, M.D.
Cyclospora cayetanensis oocysts stained by Wright-Giemsa
Images hosted on other servers:
Various images
