Clonorchis sinensis

Clonorchis sinensis is a Trematode that causes the disease clonorchiasis.

Disease / Pathology

Clonorchis sinensis

Location in the Host

Clonorchis sinensis is located in the bile ducts of the liver.

Geographic Distribution

Clonorchis sinensis is distributed throughout the Orient.

Life Cycle

Clonorchis sinensis

Morphology & Diagnosis

Clonorchis sinensis eggs are best detected in the feces during an ova & parasite examination. They are small eggs at 27-35u long and 27-35u wide.

They characteristically have a small knob located at the abopercular end; a seated operculum that gives the appearance of shoulders; and thick shell wall.

The adult worms are seldom seen but are flattened and hermaphroditic and 10-25mm long by 3-5mm wide. They are seen usually during a surgical procedure or biopsy.