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Lab De Pato > Necrosis Caseosa De Ganglio Linfático > Flashcards

Necrosis Caseosa De Ganglio Linfático Flashcards

1
Q

Órgano

A

Ganglio linfático

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2
Q

Proceso

A

Lesión irreversible

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3
Q

Epidemio

A

Inmunodeprimidos (VIH/SIDA) esteroides, transplantes.

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4
Q

Etiopato

A

M. tuberculosis es un BAAR que inhibe la fusión del fagolisosoma impidiendo la digstión de la bacteria por los macrófagos.

El sistema inmune forma un granuloma para tratar de contener la bacteria. Se activan Linfocitos T y macrófagos que ocasionan estas lesiones.

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5
Q

Cuadro clínico

A

Sd B: pérdida de peso, fiebre, sudoración nocturna, disnea, dolor torácico, hemoptisis

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6
Q

Macro

A

Lesiones redondas, blanquecinas que semejan al queso cottage

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7
Q

Micro

A

Granulomas blandos (con necrosis central): macrófagos activados (histiocitos epiteloides), rodeados de fibroblastos, linfocitos, células gigantes de Langhans en herradura, bacilos en el centro NO VISIBLES

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8
Q

Célula característica

A

Histiocito epiteloide

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9
Q

Tinción

A

Ziehl – Neelsen

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10
Q

Cultivo

A

Lowenstein- Jensen

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Lab De Pato (52 decks)

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