Penfigo Vulgar Flashcards

1
Q

Gold estándar

A

Inmunofluorescencia directa; se observan depósitos IgG isotipos IgGI e IgG4 en todo el espesor de la epidermis (pañal de abejas).

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2
Q

Contra que va dirigido los Ab encontrados en penfigo

A

Desmogleina (desmosomas)

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3
Q

Características del penfigo vulgar

A

> 60 años
Ampollas flácidas (intraepidermicas)
Boca 70%
Nikolsky +
IgG en forma de red

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4
Q

Penfigoide Bulboso

A

> 50años
Ab contra hemidesmososmas (BP180, BP230, BPAG12)
Ampollas subepidermicas tensas
La boca se respeta
Nikolsky -
IgG y C3 en la unión dermoepidermica lineal

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5
Q

Dx Inicial

A

Clínico

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6
Q

Dx Inicial

A

Clínico

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7
Q

Dx Confirmatorio

A

Biopsia de una ampolla reciente

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8
Q

Antígeno principal en el penfigo vulgar

A

Desmogleina 3

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9
Q

Factores de Riesgo

A

D- penicilamina
HLA-B15// HLA-DRA14
Quemaduras
Virus
Radioterapia

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10
Q

Tipo de depósitos en Penfigo Vulgar

A

Depósitos en red de IgG

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11
Q

Tipo de depósitos en Penfigoide Bulboso

A

Depósitos lineales de C3 e IgG a lo largo de la membrana basal

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12
Q

Ab que va dirigido va desmogleina 3

A

IgG tipo 4

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13
Q

Tx inicial

A

Prednisona VO

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14
Q

Si no hay respuesta con prednisona que se agrega

A

Azatriopina, ciclofosfamida o micofenolato.

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15
Q

Tx para Penfigoide Foliaceo

A

1.Corticoesteroide topico
2.Prednisona VO

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