The possibility of Clonorchiasis should be kept in mind when evaluating patients with a history of exposure to raw fish in endemic areas and who show signs of liver disease.

Stool examination (most reliable):  Detection of eggs in feces: formalin-ether is the preferred method of stool examination.  (Images)

Duodenal intubation: Detection of eggs in bile or fluid obtained (Images)

Surgery: Recovery of the adult fluke (Images)

Enteric capsule or string test (Enterotest): Detection of eggs in small intestinal mucosa.

Serological studies:

Liver biopsy

Gross examination of the liver:

Imaging Diagnosis (See Morphology and Radiology for examples):

This page is based on information from the Tropical Medicine Central Resource: Chapter 21.


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