Nevo Intradérmico Flashcards

1
Q

Órgano

A

Piel

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2
Q

Proceso

A

Pigmento endógeno no derivado del Hem ( melanina ). Es una neoplasia benigna.

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3
Q

Epidemio

A

Todos

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4
Q

Etiopato

A

Mutaciones activadoras adquiridas de componentes de la vía de transmisión de señales RAS y BRAF

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5
Q

Cuadro clínico

A

Asintomático

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6
Q

Macro

A

-Máculas planas o pápulas elevadas pequeñas < 6cm.
-Uniformemente pigmentadas de color marrón claro u oscuro
-Bordes redondeados bien definidos
ABCDE (Asimetría, bordes, color, diámetro, evolución).

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7
Q

Micro

A

Epidermis: reservada
Dermis: afectada

Anexos preservados (glándulas, papilas), nidos de células névicas presentes, No hay infiltrado de células inflamatorias. Hay presencia de queratina.

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8
Q

Célula característica

A

Células névicas

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9
Q

Tinción característica

A

Fontana y argéntica

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