Clonorchis sinensis is a Trematode that causes the disease clonorchiasis.
Disease / Pathology
Location in the Host
Clonorchis sinensis is located in the bile ducts of the liver.
Clonorchis sinensis is distributed throughout the Orient.
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.