Tumores infantiles Flashcards

1
Q

cuales son los tipos de astrocitomas?

A

Pielocitico GI
difuso GII
anaplasico GIII

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2
Q

Caracteristicas del astrocitoma pielocitico GI

A

Lesion quistica con nodulo mural
Pueden ser intratables
Menos de 20 años

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3
Q

Clinica del astrocitoma pielocitico GI

A

PIC alta
cefalea
nausa vomito
sintomas bulbares o cerebelosos

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4
Q

Cual es el mejor estudio para astrocitoma pielocitico GI
y donde se localiza ?

A

RM
60& Cerebelo 40% Nerviooptico

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5
Q

Tratamiento del astrocitoma pielocitico GI

A

Quimioterapia
radioterapia
reseccion

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6
Q

Que es?

A

Astrocitoma pielocitico GI
Quiste + nodulo intramural
En cerebelo

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7
Q

Que es y donde se localiza el astrocitoma difuso GII

A

Neoplasia bien diferenciada penetrante
Hemisfeios
2/3 supratentorial 1/3 infratentorial

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8
Q

Que es?

A

RM
Astrocitoma difuso GII
Hemisferios cerebrales
Masa blanca focal sin realce=NO CAPTA CONTRASTE X ASTROCITOS BARRRERA HEMATOENCEFALICA

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9
Q

Qué es?

A

TC
Astrocitoma difuso GII
Lesion sin captación
Hemisferios

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10
Q

Que es el meduloblastoma?

A

Tumor neuroectodermico de la fosa posterios
Grado IV OMS= MALIGNO
Disceminacion x LCR

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11
Q

Donde se observa el meduloblastoma en imagen?

A

Masa redonda y densa en 4to ventriculo

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12
Q

Que es?

A

Tc de meduloblastoma
Masa densa en 4to ventriculo
90% hiperdenso con contraste
Calcificaciones
quistes intramurales con necrosis

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13
Q

Que es?

A

RM LO MEJOR DWI
MEDULOBLASTOMA
T1= Hipo T2 = Hiper
Signo del galseado= metastasis en gotas o carcinomatosis leptomeningea

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