Opisthorchis felineus

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O·pis·thor·chis fe·li·n'e·us

the cat liver fluke, a species frequently found as a human parasite in Eastern Europe, Siberia, India, Japan, and Southeast Asia; adults are shaped like lancets, thin, relatively transparent, and hermaphroditic, with sizes ranging from 7-12 by 2-3 mm; ingested eggs hatch in Bithynia snails, and cercariae encyst on various species of freshwater fish; humans acquire the infection by ingesting raw or inadequately cooked fish; the parasites sometimes cause no evidence of disease, but cholangitis, biliary cirrhosis, and chronic pancreatitis may occur.
Farlex Partner Medical Dictionary © Farlex 2012


(o?pis-thor'kis) [? + orchis, testicle]
A genus of liver flukes endemic to Asia.

Opisthorchis felineus

See: Opisthorchis tenuicollis

Opisthorchis sinensis

A species common throughout Asia, acquired by humans who eat poorly cooked fish that contains the larval forms. O. sinensis is a relatively uncommon cause of biliary obstruction in Western nations.

Opisthorchis tenuicollis

A species found in cats and other mammals. Humans become infected by eating raw or poorly cooked fish containing the larval forms. It was formerly called O. felineus.
Medical Dictionary, © 2009 Farlex and Partners
References in periodicals archive ?
Fever, malaise and eosinophilia after consumption of raw fish in Italy: infection by a liver fluke (Opisthorchis felineus) [in Dutch].
([dagger]) Patient finding IFA IgG ELISA IgG Index patient Opisthorchis egg 1:128 < 1:40 Travel companion 1 Opisthorchis egg 1:64 < 1:40 Travel companion 2 Negative < 1:32 1:160 Opisthorchis felineus Patient real-time PCR Index patient Positive, [C.sub.t] 24.7 Travel companion 1 Positive, [C.sub.t] 25.1 Travel companion 2 Negative * IFA, immunofluorescence assay; [C.sub.t], cycle threshold.
A case of Opisthorchis felineus infestation in a pilot from Greece.
Opistorchiasi autoctona del Lago Trasimeno (Perugia): descrizione di due episodi epidemici da Opisthorchis felineus e problematiche diagnostiche differenziali.
Indirect ELISA for the detection of antibodies against Opisthorchis felineus (Rivolta, 1884) and Metorchis bilis (Braun, 1790) in foxes.