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BBE ° > Tumores neuroblasticos > Flashcards

Tumores neuroblasticos Flashcards

1
Q

de donde se originan los tumores neuroblasticos

A

cresta neural

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2
Q

cuales son los 7 tumores neuroblasticos

A

neuroblastoma indiferenciado
neuroblastoma poco diferenciado
neuroblastoma en diferenciacion
ganglio-neuroblastoma
ganglioneuroma
germinales

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3
Q

pronostico para neuroblastoma indiferenciado

A

muy malo

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4
Q

inmunohistoquimica neuroblastoma indiferenciado

A

desmina -
CD45 -
CD99-
cromogranina +
sinaptofisina +
PGP9.5 +

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5
Q

componentes celulares del neuroblastoma indiferenciado

A

unicamente neuroblastos

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6
Q

componentes celulares del neuroblastoma poco diferenciado

A

neuroblastos
pocas celulas ganglionares en diferenciacion,
neuropilo
MENOS DEL 5% DE CELULAS GANGLIONARES,
ROSETA DE HOMER WRIGHT

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7
Q

porcentaje de celulas ganglionares en neuroblastoma poco diferenciado

A

menos del 5%

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8
Q

componentes delulares del neuroblastoma en diferenciacion

A

mas del 5% de celulas ganglionares, neuropilo

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9
Q

en que tumores neuroblsticos se pide amplificacion de NMYC

A

neuroblastoma indiferenciado
neuroblastoma poco diferenciado
neuroblastoma en diferenciacion

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10
Q

caracteristicas histologicas que se deben evaluar en tumores neuroblasticos %

A

presencia de neuroblastos
neuronas ganglionares
neuropilo (fondo rosa)
estroma schwanniano

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11
Q

V/F entre mas diferenciacion mejor pronostico

A

verdadero

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12
Q

porcentaje de estroma schwanniano en ganglio neuroblastoma

A

MAS del 50%

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13
Q

componentes del ganglioneuroma

A

MAS del 50% de estroma schwanniano
MAS del 90% de celulas ganglionares
MENOS del 5% de neuroblastos

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14
Q

tipos de tumores germinales

A

gonadales
extragonadales

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15
Q

si desmina da + significa

A

rabdomiosarcoma

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16
Q

si CD45 da + significa

A

linfoma

17
Q

si sinaptofisina da + significa

A

nervioso, endocrino y neuroblastoma

BBE ° (15 decks)

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