Echinococcus: Difference between revisions
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Echinococcus
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* Parasitic disease caused by infection with the echinococcus tapeworm |
* Parasitic disease caused by infection with the echinococcus tapeworm |
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= Species = |
== Species == |
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* ''Echinococcus granulosus'' (cystic echinococcosis) |
* ''Echinococcus granulosus'' (cystic echinococcosis) |
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* ''Echinococcus canadensis'' |
* ''Echinococcus canadensis'' |
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= Risk Factors = |
== Risk Factors == |
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* Exposure to sheep |
* Exposure to sheep |
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* Exposure to dogs fed home-slaughtered animals |
* Exposure to dogs fed home-slaughtered animals |
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= Clinical Presentation = |
== Clinical Presentation == |
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* Hydatid cysts with surrounding daughter cysts |
* Hydatid cysts with surrounding daughter cysts |
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** Lung second-most common |
** Lung second-most common |
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== Alveolar echinococcosis (''E. multilocularis'') == |
=== Alveolar echinococcosis (''E. multilocularis'') === |
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* Presents as a metastatic malignancy of unknown primary |
* Presents as a metastatic malignancy of unknown primary |
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Revision as of 11:38, 16 August 2019
- 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
