Clonorchis sinensis

Revision as of 00:54, 20 August 2019 by ClaireLewis (talk | contribs) (Background)


  • AKA oriental liver fluke, found in Asia
  • Transmitted by ingestion of infected, undercooked fish, crabs, or crayfish
  • Infect liver, gallbladder, bile ducts
  • Fluke can live in a person for 25-30 years if left untreated

Clinical Features

  • Usually asymptomatic
  • Abdominal pain, diarrhea, [[constipation
  • Long-term infection can result in severe illness
    • Hepatomegaly
    • Malnutrition
    • Increased risk of cholangiocarcinoma and hepatic cancers due to inflammation

Differential Diagnosis

Helminth infections

Cestodes (Tapeworms)

Trematodes (Flukes)

Nematodes (Roundworms)


  • Definitive diagnosis made by identification of eggs and flukes in stool



  • Discharge, likely

See Also

External Links