Neoplasias medulares Flashcards

1
Q

Porcentaje de las neoplasias medulares que son intramedulares

A

25%

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2
Q

CXCX de las neoplasias medulares

A

Cervicalgia/dorsalgia/lumbalgia
Debilidad
Anomalías motoras
Parestesias
mielopatía

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3
Q

Mejor método de imagen para neoplasias medulares

A

RM

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4
Q

Tipo de crecimiento que tiene el astrocitoma medular

A

Crecimiento lento

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5
Q

Qué veremos en la RM en un astrocitoma medular

A

Expansión medular
Hipo en T1
Hiper en T2
Poca captación de contraste

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6
Q

Cómo definimos al meningioma medular

A

Masa extramedular, intradural

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7
Q

Localización más común del meningioma medular

A

Torácica> cervical> lumbar

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8
Q

Única forma de valorar un meningioma medular usando TC

A

Poniendo contraste

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9
Q

Mejor método de imagen para meningioma medular

A

RM

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10
Q

Qué veremos en una RM en un meningioma medular

A

Si es circunscrita, redonda u ovide
Hiper en T1
Hipo en T2
Comprime a la médula

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11
Q

Es una neoplasia extramedular intradural que viene de la vaina nerviosa

A

Schwannoma

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12
Q

Pronóstico del schwannoma

A

Benigno

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13
Q

Edades donde comunmente vemos un schwannoma medular

A

5ta a 6ta década

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14
Q

Enfermedad a la que se asocia el schwannoma

A

NF2

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15
Q

Por donde salen de la médula los scwannomas

A

Por los neuroforámenes

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16
Q

Cómo se ve un Schwannoma en RM

A

T1 isointenso o hipointenso
T2 hiperintenso
Captan contraste