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肝脾肿大、静脉曲张、腹水
First found southern Thailand 1950; Khong Island (Mekong, Laos). Named S. mekongi 1978. Eggs → snail → cercariae (morning peak). Clinical: fever/hepatosplenomegaly/abdominal pain/diarrhea.
Hepatosplenomegaly; varices; ascites
Female 12-23 mm; eggs round 40-45 µm, terminal knob. Male 15-40 mm, 7 testes. Life cycle similar to S. japonicum: small round eggs; Neotricula aperta snail (3×2 mm, aquatic); long prepatent period (mouse 35 d, dog/hamster 43-49 d vs 20-26 d for japonicum). γ-strain snail (tiger-striped). Pathogenesis: egg granuloma delayed hypersensitivity, Hoeplli phenomenon, pipestem fibrosis, concomitant immunity — same as S. japonicum.
Drug therapy, supportive therapy
Mass screen/treat; niclosamide mollusciding; fecal management; protective boots; artesunate prophylaxis.
It is recommended to visit the Infectious Diseases department; an appointment can be booked on this platform before the visit.
Warm reminder: The above information is for health science reference only and cannot replace professional medical diagnosis. If you have related symptoms, please seek medical attention at a regular hospital promptly.
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