Echinococcus: Difference between revisions
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Echinococcus
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* ''Echinococcus shiquicus'' |
* ''Echinococcus shiquicus'' |
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+ | === Epidemiology === |
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+ | {| class="wikitable" |
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+ | !Species |
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+ | !Intermediate Hosts |
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+ | !Definitive Hosts |
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+ | !Distribution |
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+ | !Risk Factors |
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+ | |- |
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+ | |[[Echinococcus granulosus]] |
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+ | |sheep, cattle, pigs, camels, and goats |
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+ | |dogs and other canids |
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+ | |worldwide, with highest prevalence in Mediterranean, Russia, China, central Asia, north and east Africa, Australia, and South America |
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+ | |shepherds, exposure to feral dogs, slaughterhouse, unsanitary living conditions |
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+ | |- |
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+ | |[[Echinococcus multilocularis]] |
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+ | |rodents, domestic pigs, wild boars, dogs, monkeys |
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+ | |foxes, dogs, cars |
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+ | |mostly described in Europe and Asia, rare in North America |
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+ | | |
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+ | |- |
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+ | |[[Echinococcus vogeli]] |
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+ | |rodents |
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+ | |bush dogs |
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+ | |Central and South America |
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+ | | |
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+ | |- |
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+ | |[[Echinococcus oligarthus]] |
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+ | | |
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+ | | |
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+ | | |
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+ | | |
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+ | |} |
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+ | |||
+ | == Clinical Manifestations == |
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+ | |||
+ | === Cystic Echinococcus === |
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+ | |||
+ | * Liver most common site followed by lung |
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+ | * Can infect brain and rarely other sites |
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+ | * Can cause anaphylaxis when ruptures |
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+ | * Can cause cholangitis |
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+ | |||
+ | === Alveolar Echinococcus === |
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+ | |||
+ | * Presents as liver cancer or metastases of unknown primary |
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{{DISPLAYTITLE:''Echinococcus'' species}} |
{{DISPLAYTITLE:''Echinococcus'' species}} |
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[[Category:Cestodes]] |
[[Category:Cestodes]] |
Revision as of 10:39, 21 September 2021
Background
- Cestode
Microbiology
- Echinococcus granulosus sensu stricto (G1 to G3), the major cause of cystic echinococcosis
- Echinococcus equinus (G4)
- Echinococcus ortleppi (G5)
- Echinococcus canadensis (G6 to G10)
- Echinococcus multilocularis, the major cause of alveolar echinococcosis
- Echinococcus vogeli
- Echinococcus oligarthrus
- Echinococcus felidis
- Echinococcus shiquicus
Epidemiology
Species | Intermediate Hosts | Definitive Hosts | Distribution | Risk Factors |
---|---|---|---|---|
Echinococcus granulosus | sheep, cattle, pigs, camels, and goats | dogs and other canids | worldwide, with highest prevalence in Mediterranean, Russia, China, central Asia, north and east Africa, Australia, and South America | shepherds, exposure to feral dogs, slaughterhouse, unsanitary living conditions |
Echinococcus multilocularis | rodents, domestic pigs, wild boars, dogs, monkeys | foxes, dogs, cars | mostly described in Europe and Asia, rare in North America | |
Echinococcus vogeli | rodents | bush dogs | Central and South America | |
Echinococcus oligarthus |
Clinical Manifestations
Cystic Echinococcus
- Liver most common site followed by lung
- Can infect brain and rarely other sites
- Can cause anaphylaxis when ruptures
- Can cause cholangitis
Alveolar Echinococcus
- Presents as liver cancer or metastases of unknown primary