Echinococcus spp
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Transcript of Echinococcus spp
![Page 1: Echinococcus spp](https://reader034.fdocuments.mx/reader034/viewer/2022042509/55a97f031a28ab94668b480a/html5/thumbnails/1.jpg)
Por:
Abdías Caballero
Marukyelys Calderón
Ovidio Cortés
Lorain Cossio
Yanina Muñoz
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Ei: Ova embrionada
EDx: Quiste hidatídico
Ei: Quiste hidatídico
Ei: ova embrionada
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DATOS GENERALES
Huésped definitivo: perro ovejero (excepto para E. oligarthrus que tiene como h. definitivo el puma)
Enfermedad: Echinocococsis
Mx de infección: Ingesta de vísceras crudas o mal cocidas con quiste hidatídico.
Hábitat: ID
Huésped intemediario: Hombre
Enfermedad: Hidatidosis
Mx de infección: Ingesta de ova en agua o alimentos contaminados.
Hábitat: en el humano afecta principalmente…Hígado (E. granulosus; E. multilocularis y E. vogeli)
Ojo y musculatura cardíaca (E. oligarthrus)
Todos tienen rostelo armado, y sus escólex son idénticos.3
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Características
Doble corona radiada o embrióforo
Tamaño: 38-40 µm
Color chocolate parduzco
Oncósfera o embrión hexacanto
Es idéntica a la de Taenia spp. , se puede colocar cualquier
género.
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Características
Protoescólex suelto
Protoescólex flotando en líquido hidatídico
En el laboratorio SÓLO hay arenilla hidatidica de E. granulosus
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21Echinococcus granulosus Echinococcus multilocularis
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Características
Cápsula prolígera con
protoescólex dentro
3 capas (de externo a
interno):
1. Fibrosa o adventicia
2. Laminar o hialina
3. Germinal
NO compartimentalizada
Produce hidatidosis
unilocular Tejido hepático
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Capa fibrosa o adventicia
Capa germinal
Capa laminar o hialina
ProtoescólexQuiste hijo
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1. Fibrosa o adventicia; 2. Laminar o hialina; 3. Germinal
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2
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Características
Compartimentalizada
Acéfalo-quiste
Dos capas: laminar o hialina y germinal (CARECE de capa fibrosa).
Abundantes corpúsculos calcáreos
Produce hidatidosis alveolar
*En color característica específicas
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1. Escolices2. Membrana germinal3. Células hepáticas normales 4. Tejido fibroso5. Células degeneradas hepáticas6. Corpúsculos calcáreos
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Quiste alveolar
Alveolos pulmonares
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Características
Compartimentalizado
Macrovesicular
Pocos corpúsculos calcáreos
E. oligarthrus y E. vogeli son endémicos en Panamá
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E. granulosus E. multilocularis E. oligarthrus
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E. granulosus E. multilocularis E. vogeli E. oligarthrus
Útero sacular Útero racemoso Útero racemoso Útero racemoso
Poro genitalposterior
Poro genital anterior Ganchos grandes Ganchos pequeños
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Características
Útero racemoso
Poro genital posterior
Tiene útero racemoso
(¡Parece un racimo!)
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Características
Útero sacular
Poro genital anterior
Tiene útero sacular (¡Parece
un saco!)
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