Schistosoma: Difference between revisions
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Schistosoma
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| − | = ''Schistosoma'' spp. (schistosomiasis) = |
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| − | == Definition == |
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* Infection with a species of the genus ''Schistosoma'' |
* Infection with a species of the genus ''Schistosoma'' |
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* Increased risk of squamous cell carcinoma, which increase with young age at infection, duration of infection, high burden of infection, and bladder wall fibrosis |
* Increased risk of squamous cell carcinoma, which increase with young age at infection, duration of infection, high burden of infection, and bladder wall fibrosis |
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| + | {{DISPLAYTITLE:''Schistosoma'' species}} |
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| − | == Further Reading == |
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| + | [[Category:Parasites]] |
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Revision as of 07:29, 16 August 2019
- Infection with a species of the genus Schistosoma
Species
- S. mansoni: liver and gut
- S. haematobium: GU/pelvis
- S. japonicum: liver and gut
- S. mekongi: Mekong basin
Risk Factors
- Fresh water exposure in endemic countries
Clinical Presentation
Investigations
- Labs
- CBC, showing eosinophilia
- Schisto serology (only positive 6 weeks after infection)
- Egg detection in stool, urine, semen, or tissue biopsy
- Imaging
- Eggs can cause granulomatous disease in various organs
- Bladder polyps and obstruction may be seen on ultrasound
Management
- Acute
- Praziquantel 40mg/kg/d
- Can cause nausea, dizziness, and fever
- Praziquantel 40mg/kg/d
- Chronic
- Prevention
Prognosis
- Increased risk of squamous cell carcinoma, which increase with young age at infection, duration of infection, high burden of infection, and bladder wall fibrosis
References
- ^ Archana Asundi, Alina Beliavsky, Xing Jian Liu, Arash Akaberi, Guido Schwarzer, Zeno Bisoffi, Ana Requena-Méndez, Ian Shrier, Christina Greenaway. Prevalence of strongyloidiasis and schistosomiasis among migrants: a systematic review and meta-analysis. The Lancet Global Health. 2019;7(2):e236-e248. doi:10.1016/s2214-109x(18)30490-x.
