Criptococosis Flashcards

1
Q

Etiología de criptococosis

A

Cryptococcus neomorfans; grubii y neomorfans

Cryptococcus gatti

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2
Q

Vía de entrada Criptococosis: Respiratoria o cutánea.

A
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3
Q

Clasificación Clínica

A
Pulmonar
SNC
Cutanea; primaria y secundaria
Ocular
Ósea
Diseminada
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4
Q

Criptococosis pulmonar

A

C. gatti, 95% asintomática, similar a un cuadro gripa. Estertores incnstantes. DX dif bacterias gramnegativas y tuberculosis.

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5
Q

Criptococosis SNC

A
C. neomorfans
Más frecuente, la que mas se diagnostica
Pulmonar>via hematogena> SN
Tres variedades
Meningitis
Meningoencefalitis (fulmianante 2-3 días)
Criptococomas
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6
Q

Porqué le atrae el LCR?

A

No hay factor anticriptococosico y tiene estimulantes; asparagina y creatinina

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7
Q

Criptococosis cutánea

A

Primaria: C.gatti, traumatismos, asbcesos ulcerados, miembros superiores. linfangitis y adenitis.
Secundaria: signo centinela, cara, cuello y miembros. Lesiones solitarias multiples, nodulo-linfangiticas. Enf marcadora de SIDA

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8
Q

Criptococosis ocular

A

Rara, papiledema, parálisis motora, coriorretinitis

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9
Q

Criptococosis ósea

A

Largos>craneales> vértebras, articulciones, osteolisis, fístulas

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10
Q

Criptocososis diseminada

A

Higado, intestino, bazo, corazón, próstata, testículos

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11
Q

Dx

A

LCR, Esputo o biopsias, no se usa KOH, se usa tinta china o Ziehl Neelsen.

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12
Q

Cultivo de criptococosis

A

BHI, Agar Saboraud sin antibioticos. Colonias aspecto de leche condensada y son limitadas y convexas, blanco amarillentas

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13
Q

Tx criptococosis

A

Anfotericina B y Fluconazol (atraviesa barrera hematoencefalica)

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14
Q

Morfología

A

hongo unicelular, sus células son esféricas o elipsoidales, o de forma de limón con cápsulas gruesas

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