Fasciolopsiasis
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| Fasciolopsiasis Classification and external resources | |
| Adult Fasciolopsis buski | |
| ICD-10 | B66.5 |
| ICD-9 | 121.4 |
| MeSH | D014201 |
Fasciolopsiasis results from infection by the trematode Fasciolopsis buski (Lankester, 1857) Odhner, 1902, the largest intestinal fluke of humans (up to 7.5 cm in length).[1]
Geographic distribution
This disease occurs in Asia and the Indian subcontinent, especially in areas where humans raise pigs and consume raw aquatic plants.
Infection cycle
The parasite infects an amphibic snail (Segmentina nitidella, Segmentina hemisphaerula, Hippeutis schmackerie, Gyraulus, Lymnaea, Pila, Planorbis (Indoplanorbis)) after released by infected feces; from this intermediate host metacercaria infest on aquatic plants, which are eaten (raw) by pigs and humans. Also the water is possibly infective when drunk unheated ("Encysted cercariae exist not only on aquatic plants, but also on the surface of the water.".)[1]
Clinical features
Most infections are light and asymptomatic. In heavier infections, symptoms include diarrhea, abdominal pain, fever, ascites, anasarca, and intestinal obstruction.
Laboratory diagnosis
Microscopic identification of eggs, or more rarely of the adult flukes, in the stool or vomitus is the basis of specific diagnosis. The eggs are indistinguishable from those of Fasciola hepatica.
Treatment
Praziquantel is the drug of choice for treatment of fasciolopsiasis.
Incidence/prevalence
- "It has been estimated that there may be 10 million people in East Asia infected with this fluke, yet its radiological identification remains unreported." [1]
References
External links
- Graczyk TK, Gilman RH, Fried B (2001). "Fasciolopsiasis: is it a controllable food-borne disease?". Parasitol. Res. 87 (1): 80-3. PMID 11199855.
- Mas-Coma S, Bargues MD, Valero MA (2005). "Fascioliasis and other plant-borne trematode zoonoses". Int. J. Parasitol. 35 (11-12): 1255-78. doi:10.1016/j.ijpara.2005.07.010. PMID 16150452.
fr:Fasciolopsiase it:Fasciolopsiasi umana
Acknowledgement and Attribution Regarding Sources of Content
Some of the initial content on this page may be incorporated in part from copyleft sources in the public domain including wikis such as Wikipedia and AskDrWiki. Drug information for patients came from the The National Library of Medicine. Infectious disease information may have come from the Centers for Disease Control (CDC). Differential Diagnoses are drawn from clinicians as well as an amalgamation of 3 sources: 1.The Disease Database; 2. Kahan, Scott, Smith, Ellen G. In A Page: Signs and Symptoms. Malden, Massachusetts: Blackwell Publishing, 2004:3; 3. Sailer, Christian, Wasner, Susanne. Differential Diagnosis Pocket. Hermosa Beach, CA: Borm Bruckmeir Publishing LLC, 2002:7 .
