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Cystoisospora belli, Molecular Detection

Includes 1 test
Faeces
2 Days
70€

Molecular testing for Cystoisospora belli is used for the diagnosis and laboratory documentation of cystoisosporiasis.

More information

Cystoisospora belli, previously known as Isospora belli, is a parasite that causes an intestinal disease known as cystoisosporiasis. This protozoan parasite primarily exists in the epithelial cells of the small intestine and develops in the cell cytoplasm. 

The distribution of this coccidian parasite is cosmopolitan but is mainly found in tropical and subtropical areas of the world. 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 tumors worldwide. Cystoisospora belli belongs to Coccidia subclass, a subclass of microscopic, spore-forming, single-celled obligate intracellular parasites. In Coccidia subclass are classified the more common parasites, Cryptosporidium and Toxoplasma.

The life cycle of C. belli is similar to that of Cryptosporidium, except that oocysts passed in stool are not sporulated. Thus, when freshly passed in stools, the oocysts are not infective, and direct fecal-oral transmission cannot occur. The oocysts require days to weeks in the environment to sporulate and, therefore, direct person-to-person transmission is unlikely. The sporulated oocysts are ingested in contaminated food or water and exocyst in the gastrointestinal tract, releasing sporozoites. The sporozoites invade the epithelial cells of the small intestine, replicate, and mature into oocysts, which are shed in stool.

The Infection causes acute, non-bloody diarrhea with crampy abdominal pain, which can last for weeks and result in malabsorption and weight loss. In immunosuppressed patients, and in infants and children, diarrhea can be severe. Eosinophilia may be present.

Microscopic demonstration in the stool of the large, typically shaped oocysts is the basis of diagnosis. Because the oocysts may be passed in small amounts and intermittently, repeated stool examinations and concentration procedures are recommended. Molecular testing of feces for the presence of Cystoisospora belli DNA using the technique of real-time PCR (RT-PCR), is a faster, more sensitive, and more effective method for detecting the parasite.

 

Additional information
Tests includedIncludes 1 test
Sample Faeces
Procedure completion test
Step 1

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Step 2

Sampling

We send you the certified package - sampling collection kit, to collect your sample, always in accordance with the instructions contained within the kit.

Step 3

Sending your sample

After you have collected your sample, place it in the prepaid shipping package, contact the courier company and send it to our certified laboratory.

Step 4

Receiving the test results

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Step 1

Book an appointment and buy the test online

Select from the most complete range test of Prevention, Andrology and Diagnostics, book an appointment in real time and purchase them online.

Step 2

Sampling

Visit the certified laboratory of Diagnostiki Athinon on the date and time you have chosen, to perform the sampling.

Step 3

Receiving the test results

Download your test results easily and securely anytime you want by logging in to your personal account.

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