Nefropatía membranosa Flashcards

1
Q

En quienes es mas comun

A

ADultos de europa, medio oriente y descendientes del norte de africa

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2
Q

Causas

A

Primaria

Secundaria

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3
Q

Causas primarias

A

Anti-PLA2R

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4
Q

Causas secundarias

A

1) Infecciones ( HBV, HCV, Malaria, sifilis)
2) Enf autoinmunes (LES)
3) Tumores ( Ca prostata y pulmon, Ca colorectal)
4) Medicamentos (AINES)

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5
Q

Que se observa en microscopia

A

Engrosamiento difuso del capilar glomerular en el asa y membrana basal
Depositos granulares subepiteliales de IgG y C3–> spike and dome appearance

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6
Q

Tx comun

A

Inhibidores de RAA (principalmente)

Prednisona

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7
Q

A que se puede desarrollar si no es tratada

A

Enfermedad renal terminal

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8
Q

Que es lo que causa el daño

A

Deposito de complejos inmunes subepiteliales que activan el sistema de complemento

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9
Q

Antigeno super caracteristico de este Sx nefrotico

A

PLA2R (suero de la persona con IgG’s vs este gen) 70% de los pacientes

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10
Q

Si se tiñe con metinamina de plata que verias

A

expansiones irregulares de GBM como picos (piramides)

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11
Q

Que ves en inmunofluorescencia

A

Complejos inmunes IgG y C3

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12
Q

Que observas en microscopia electronica

A

Borramiento de podocitos y depositos subepiteliales de complejos inmunes

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13
Q

Como es la respuesta a corticoesteroides

A

Mala

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14
Q

Mas comun en hombres o mujeres

A

Mujeres

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15
Q

Tasa de remision

A

50%

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