A Case of Cystoisospora ( Isospora ) belli Infection With Multiple Life Stages Identified on Endoscopic Small Bowel Biopsies

Adl SM Bass D Lane CE , et al. Revisions to the classification, nomenclature, and diversity of eukaryotes. J Eukaryot Microbiol. 2019;66:4-119.

Certad G Arenas-Pinto A Pocaterra L , et al. Isosporiasis in Venezuelan adults infected with human immunodeficiency virus: clinical characterization. Am J Trop Med Hyg. 2003;69:217-222.

Centers for Disease Control and Prevention. Cystoisosporia-sis. https://www.cdc.gov/dpdx/cystoisosporiasis/index.html. Published 2017. Accessed October 27, 2019.

Gellin BG Soave R. Coccidian infections in AIDS. Toxoplasmosis, cryptosporidiosis, and isosporiasis. Med Clin North Am. 1992;76:205-234.

Garcia LS Arrowood M Kokoskin E , et al. Laboratory diagnosis of parasites from the gastrointestinal tract. Clin Microbiol Rev. 2017;31:e00025-17.

Kim MJ Kim WH Jung HC Chai JW Chai JY. Isospora belli infection with chronic diarrhea in an alcoholic patient. Korean J Parasitol. 2013;51:207-202.

Velasquez JN Carnevale S Mariano M , et al. Isosporosis and unizoite tissue cysts in patients with acquired immunodeficiency syndrome. Hum Pathol. 2001;32:500-505.

Sun T Ilardi CF Asnis D. Light and electron microscopic identification of Cyclospora species in the small intestine. Evidence of the presence of asexual life cycle in human host. Am J Clin Pathol. 1996;105:216-220.

Klassen-Fischer MJ Neafie RC Meyers WM. Crypto-sporidiosis, isosporidiosis, cyclosporiasis, sarcocystosis. In: Meyers WM Firpo A Wear DJ , eds. Topics on the Pathology of Protozoan and Invasive Arthropod Diseases. Washington, DC: Armed Forces Institute of Pathology; 2011.

Lamps LW . Infectious disorders of the gastrointestinal tract. In: Odze RD Goldblum JR , eds. Odze and Goldblum Surgical Pathology of the GI Tract, Liver, Biliary Tract, and Pancreas. Philadelphia, PA: Elsevier Saunders; 2015:86-88.

Swanson E March JK Clayton F , et al. Epithelial inclusions in gallbladder specimens mimic parasite infection. Am J Surg Pathol. 2018;42:1346-1352.