Dermatofitos (microsporum , trichophyton, epidermophyton) Flashcards

1
Q

Microsporum:
-Microscopio
-Colonias

A

-Macroconidos fusiformes (5-15 septos)
-Café marrón con hifas y reverso amarillo

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2
Q

Trichophyton:
-Microscopio
-Colonias

A

-Microconidios globosos piriformes (Pocos macroconidios)
-Blancas algodonozas con pigmento rojizo al reverso

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3
Q

Epidermophyton:
Microscopio
-Colonias

A

-Macroconidios en forma de mazo (4 septos)
-Radiadas, purulentas, color verdoso

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4
Q

Forma infectiva de dermatofitos (microsporum, trichophyton y epidermophyton)

A

Artroconidios o clamidioconidios

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5
Q

Dermatofito + frecuente

A

Trichosporum

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6
Q

Factores de virulencia

A

Queratinofilicos
Se unen a capa cornea
Ectothrix y Endothrix
Queratinasas
Elastasas
Lipasas (cuadros crónicos)

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7
Q

Tiñas causadas por dermatofitos (microsporum, trichophyton, emipermophyton)

A

Tiña de la cabeza
1°: Tiña de las uñas (onicomicosis)
2°: Tiña del pie (pie de atleta)
Tiña del cuerpo
Tiña de la ingle
Tiña de las manos
Tiña de la barba

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8
Q

Tiña de la cabeza se divide en

A

Seca e inflamatoria

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9
Q

Tiña de la cabeza seca:

A

Endothrix: alopecia “granos de polvora” (trichophyton)
Ectothrix: placas “segadora de cesped” (micrsporum)

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10
Q

Tiña de la cabeza inflamatoria

A

Querion del celso: alopecia definitiva

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11
Q

Cultivo

A

Sabourand dextrosa

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