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- E. dispar, Entamoeba moshkovskii, Entamoeba coli, Entamoeba hartmanni, and Endolimax nana are nonpathogenic parasites of the human intestine. There has been no correlation established between infection with these organisms and gastrointestinal symptoms, and antiamebic treatment is not warranted.
academic.oup.com/cid/article/29/5/1117/337264
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Does Entamoeba dispar cause liver abscess?
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Apr 17, 2023 · Those infected by Entamoeba are mostly colonized by either E. histolytica or E. dispar. E. histolytica is the pathogenic form and can cause amoebic colitis and extraintestinal amoebiasis. E. dispar is considered to be nonpathogenic and causes no signs of disease.
- Arthur Chou, Richard L. Austin
- 2023/04/17
- Causal Agents
- Life Cycle
- Geographic Distribution
Several protozoan species in the genus Entamoeba colonize humans, but not all of them are associated with disease. Entamoeba histolytica is well recognized as a pathogenic ameba, associated with intestinal and extraintestinal infections. Other morphologically-identical Entamoeba spp., including E. dispar, E. moshkovskii, and E. bangladeshi, are gen...
Cysts and trophozoites are passed in feces . Cysts are typically found in formed stool, whereas trophozoites are typically found in diarrheal stool. Infection with Entamoeba histolytica (and E.dispar) occurs via ingestion of mature cysts from fecally contaminated food, water, or hands. Exposure to infectious cysts and trophozoites in fecal matter d...
Pathogenic Entamoeba species occur worldwide and are frequently recovered from fresh water contaminated with human feces. The majority of amebiasis cases occur in developing countries. In industrialized countries, risk groups include men who have sex with men, travelers, recent immigrants, immunocompromised persons, and institutionalized population...
Oct 7, 2024 · Cysts are typically found in formed stool, whereas trophozoites are typically found in diarrhoeal stool. Infection with Entamoeba histolytica (and E. dispar) occurs via ingestion of mature cysts. from faecally contaminated food, water, or hands. Exposure to infectious cysts and trophozoites in faecal matter during sexual contact may also occur.
Jun 14, 2024 · There are four species of intestinal amebae with identical morphologic characteristics: E. histolytica, E. dispar, E. moshkovskii, and E. bangladeshi [1,2]. Most symptomatic disease is caused by E. histolytica; E. dispar is generally considered nonpathogenic. Reported infections with E. moshkovskii are becoming more frequent, with increasing ...
Nov 1, 1999 · Because E. histolytica is identical in appearance to the nonpathogenic parasite Entamoeba dispar, amebic colitis is best diagnosed by detection of E. histolytica in stool. Amebic liver abscess is 10 times more common in men than women.
- William A. Petri, Upinder Singh
- 1999
Jun 14, 2024 · Extraintestinal amebiasis is usually caused by the protozoan Entamoeba histolytica. Most infections are asymptomatic; clinical manifestations include amebic dysentery and extraintestinal disease. Extraintestinal manifestations include amebic liver abscess and other more rare manifestations such as pulmonary, cardiac, and brain involvement [1].
E. histolytica infection is often asymptomatic, but it can cause intestinal symptoms, dysentery, or liver abscesses. Diagnose amebic intestinal infection using stool antigen tests, molecular tests for DNA, or microscopy.
