Echinococcus: Difference between revisions
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Echinococcus
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Revision as of 21:25, 14 August 2019
Echinococcus spp.
Definition
- Parasitic disease caused by infection with the echinococcus tapeworm
Species
- Echinococcus granulosus (cystic echinococcosis)
- Echinococcus multilocaris (alveolar echinococcosis)
- Echinococcus canadensis
Risk Factors
- Exposure to sheep
- Exposure to dogs fed home-slaughtered animals
Clinical Presentation
- Hydatid cysts with surrounding daughter cysts
- Liver most common
- Lung second-most common
Alveolar echinococcosis (E. multilocularis)
- Presents as a metastatic malignancy of unknown primary
- May also mimic hepatic carcinoma, cirrhosis, and tuberculosis
- Main treatment is surgical resection followed by at least 2 years of antihelminthic therapy
- Poor prognosis, with 90% 10-year mortality if untreated
