Liver Flukes Liver Flukes Opisthorchis viverrini Opisthorchis felineus

Liver Flukes: พยาธใบไมทอยในตบหรอท อนำด Opisthorchis viverrini Opisthorchis felineus (cat liver fluke) Clonorchis sinensis (Chinese

Epidemiology Liver flukes: 17 million (C. sinensis 7, O. viverrini 9 And O. felineus

Opisthorchis viverrini in Thailand (2002) North: 19. 3% Northeast : 15. 7%; decline from

Morphology Egg Size: 17 X 25 µm Operculum and knob Miracidium Shape: Bulb

F. gigantica 3 -7. 5 x 1 -2 cm. hepatica 2 -3 x 1

130 -150 x 60 -90µm เหมอน F. buski, Echinostoma spp.

Surgical specimen of Fasciola hepatica-induced liver abscess (54 y-o F). Irregularly fused abscess is

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Liver Flukes

Liver Flukes: พยาธใบไมทอยในตบหรอท อนำด Opisthorchis viverrini Opisthorchis felineus (cat liver fluke) Clonorchis sinensis (Chinese liver fluke) Fasciola hepatica Fasciola gigantica

Epidemiology Liver flukes: 17 million (C. sinensis 7, O. viverrini 9 And O. felineus 1. 2) Opisthorchis viverrini: Thailand, Loa and Cambodia Opisthorchis felineus: Russia and eastern Europe Clonorchis sinensis: China, Taiwan, Korea, Vietnam

Opisthorchis viverrini in Thailand (2002) North: 19. 3% Northeast : 15. 7%; decline from 34. 6% in 1981 Variation in prevalence from 4 -33% Central: 3. 8% South 0%

Morphology Egg Size: 17 X 25 µm Operculum and knob Miracidium Shape: Bulb

Adult Size: 7. 4 X 1. 4 mm Lancet shape

F. gigantica 3 -7. 5 x 1 -2 cm. hepatica 2 -3 x 1 -2 cm.

130 -150 x 60 -90µm เหมอน F. buski, Echinostoma spp.

Surgical specimen of Fasciola hepatica-induced liver abscess (54 y-o F). Irregularly fused abscess is formed in the subcapsular region of the liver. Fasciola hepatica reaches the bile duct via the peritoneum and then the liver parenchyma.