Neoplasias medulares Flashcards

1
Q

QUE SON

A

tumores que crecen dentro o alrededor de la medula
25% intramedulares

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2
Q

CLX

A

Raramente asx
cerv/dors/lumbalgia
debilidad
anomalías motoras
parestesias
mielopatía

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3
Q

Astrocitoma

A

Astrocito
medular
crecimiento lento

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4
Q

imagen Astrocitoma

A

RM mejor método
expansión medular
Hipo t1 hiper t2
poca capt contraste

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5
Q

Meningioma

A

masa extramedular, intradural
loc: torácica > cervical >lumbar

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6
Q

Meningioma TC

A

solo con contraste

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7
Q

RM meningioma

A

LO MEJOR
circunscrita, redonde u ovoide
hiper T1 hipo T2
comprime medula
capta mucho contraste

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8
Q

Shwannoma

A

neoplasia extramedular intradural de la vaina nerviosa
benigno, usualente aislados
5-6ta decada de la vida
asx a NF2
indistinguible de neurofibromas: schwannomas sangran

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9
Q

RM Schwannoma

A

salen de la medula a través de los neuroforamentes
T1 iso o hipointensos
T2 hiperintensos: heterogeneos si sangran
captan contraste
pueden abarcar varios niveles

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