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.


(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.
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.