retinoblastoma Flashcards

1
Q

retinoblastoma es

A

tumor intraorbitario mas frecuente en niños <15 años

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2
Q

retinoblastoma es antes de los 5a

A

en 95% de casos

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3
Q

dx retinoblastoma se da por

A

pediatra o medico general

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4
Q

40% de tumores son hereditarios por

A

alteración RB1
modificaciones MDM2 y 4

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5
Q

porcentaje de retinoblastoma esporadico

A

60%

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6
Q

retinoblastoma tambien se asocia a

A

VPH vertical

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7
Q

mutaciones genéticas de doble hit se refiere a

A

dos hits en el mismo cromosoma

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8
Q

retinoblastoma puede ser

A

bilaterales
trilaterales (ojos y glándulas pineal)

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9
Q

tx retinoblastoma bi y trilateral

A

quimio intraocular post resección y resección del mas agresivo

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10
Q

tx retinoblastoma unilateral

A

extirpación y prótesis

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11
Q

retinoblastoma se origina en

A

retina

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12
Q

es muy agresivo cuando el retinoblastoma

A

lesiona el nervio optico

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13
Q

histologicamente este cuerpo es el unico de retinoblastoma

A

rosetas de felxner wintersheiner

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14
Q

cxcx retinoblastoma

A

leucocoria
estrabismo
procesos inflamatorios
dolor ocular

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15
Q

dx retinoblastoma

A

oftalmoscopia directa
tomografía intracraneal
RNM (ambos ojos ara conocer bilateralidad)

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