clonorchiasis

clonorchiasis

      chronic infection caused by Clonorchis sinensis, or liver fluke, a parasitic worm some 10 to 25 mm (0.4 to 1 inch) long that lives in the bile ducts of the liver in humans and other mammals. Clonorchiasis is a common disease in China, Vietnam, Korea, and Japan and is acquired by eating freshwater fish containing the fluke larvae. The fish are themselves infected by swallowing the larvae, which have earlier undergone a stage of their development in the liver glands of water snails.

      Raw as well as smoked, salted, or dried fish may constitute a source of human infestation. Early in the infection, there may be signs of indigestion, followed later by enlargement and tenderness of the liver and a light jaundice. Frequently there are no symptoms. Heavy infestations (as many as 21,000 worms) may involve the pancreas and gallbladder and may be associated with fluid accumulation in the abdomen and signs of general body toxicity. No completely effective treatment for clonorchiasis is known; some success has been obtained with chemotherapeutic agents, such as chloroquine, that are toxic to the fluke. Infection can be prevented by thoroughly cooking all freshwater fish.

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Universalium. 2010.

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Look at other dictionaries:

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  • Clonorchiasis —   [griechisch] die, /...ses, die Leberegelkrankheit, Leberegel …   Universal-Lexikon

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  • Clonorchiasis — Klassifikation nach ICD 10 B66.1 Clonorchiasis …   Deutsch Wikipedia

  • clonorchiasis — A disease caused by the fluke Clonorchis sinensis, affecting the distal bile ducts of humans and other fish eating animals after ingestion of raw, smoked, or undercooked fish or raw crayfish; initial infection may be benign, but repeated or… …   Medical dictionary

  • clonorchiasis — clo·nor·chi·a·sis …   English syllables

  • clonorchiasis — n. a condition caused by the presence of the fluke Clonorchis sinensis in the bile ducts. The infection, common in the Far East, is acquired through eating undercooked, salted, or pickled freshwater fish harbouring the larval stage of the… …   The new mediacal dictionary

  • clonorchiasis — …   Useful english dictionary

  • Клонорхоз (Clonorchiasis) — заболевание, вызываемое глистами вида Clonorchis sincnsis, населяющих желчные протоки. Данное инфекционное заболевание особенно распространено на Дальнем Востоке; оно передается при употреблении в пищу плохо приготовленной, непросоленной или… …   Медицинские термины

  • КЛОНОРХОЗ — (clonorchiasis) заболевание, вызываемое глистами вида Clonorchis sincnsis, населяющих желчные протоки. Данное инфекционное заболевание особенно распространено на Дальнем Востоке; оно передается при употреблении в пищу плохо приготовленной,… …   Толковый словарь по медицине

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