2019
DOI: 10.1017/s0031182019000957
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Cystoisospora belliinfections in humans: the past 100 years

Abstract: Cystoisospora belli is a coccidian parasite of humans, with a direct fecal–oral transmission cycle. It is globally distributed, but mainly found in tropical and subtropical areas. Many cases of C. belli infections have been reported in patients with HIV, and in patients undergoing immunosuppressive therapy for organ transplants or those treated for tumours worldwide. Unsporulated or partially sporulated oocysts of C. belli are excreted in feces. When sporulated oocysts in contaminated water or food are ingeste… Show more

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Cited by 47 publications
(78 citation statements)
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References 217 publications
(366 reference statements)
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“…The unsporulated oocysts of C. cayetanensis in fresh feces are 8-10 lm in diameter (Almeria et al, 2019); their dimensions in histological sections have not been reported before. In the immunosuppressed patient reported here, C. cayetanensis-like oocysts were found in bile drainage; the oocysts in Ziehl-Neelsenstained smears were pink and 10 lm in diameter (de Go´rgolas et al, 2001).…”
Section: Discussionmentioning
confidence: 77%
See 1 more Smart Citation
“…The unsporulated oocysts of C. cayetanensis in fresh feces are 8-10 lm in diameter (Almeria et al, 2019); their dimensions in histological sections have not been reported before. In the immunosuppressed patient reported here, C. cayetanensis-like oocysts were found in bile drainage; the oocysts in Ziehl-Neelsenstained smears were pink and 10 lm in diameter (de Go´rgolas et al, 2001).…”
Section: Discussionmentioning
confidence: 77%
“…The parasitic stages of C. cayetanensis are one of the smallest in size among coccidian parasites. Cystoisospora belli is the other coccidian known to parasitize intestines, bile ducts, and gallbladder of humans (Dubey and Almeria, 2019). However, schizonts and gamonts of Cystoisospora belli are more than twice the size of C. cayetanensis .…”
Section: Discussionmentioning
confidence: 99%
“…Other intestinal parasites such as Cryptosporidium sp., Cystoisospora belli, and Strongyloides stercoralis are commonly found in immunocompromised hosts [4,8]. Symptoms and treatment of the intestinal parasitic infections previously cited have been described elsewhere [9][10][11][12][13][14][15][16][17].…”
Section: Introductionmentioning
confidence: 99%
“…Mild-to-moderate self-limiting diarrhea is common in immune-competent patients. Patients with immune dysfunction can experience severe disease with prolonged diarrhea, anorexia, and weight loss (Almeria et al, 2019;Dubey and Almeria, 2019). Microscopy using acid-fast staining is the most widely used screening technique for the diagnosis of C. cayetanensis and C. belli with or without stool concentration (Ribes et al, 2004).…”
Section: Introductionmentioning
confidence: 99%