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BOARDS > Primary Brain Tumors > Flashcards

Primary Brain Tumors Flashcards

1
Q

Glioblastoma Multiforme

A

Highly malignant
Crosses corpus collosum - butterfly glioma
Pseudopalisading necrosis - rows of neoplastic cells surrounds necrosis

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2
Q

Astroytoma - Pilocytic

A

BENIGN of CHILDREN
POST FOSSA IN CHILDREN
Rosenthal fibers
stains with GFAP

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3
Q

Oligodendroglia

A

Fried egg appearance

perinuclear halo

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4
Q

Ependymoma

A

Hydrocephalus

rosettes and pseudorosetes

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5
Q

Medulloblastoma

A

HIGHLY MALIGNANT
cerebellar tumor
primitive neuroectodermal tumor PNET
PSEUDOROSETTES - small, round, blue

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6
Q

Meningioma

A

Parasagittal region
dural convexities
attaches to dura – compresses underlying brain WITHOUT INVASSION
PSAMMOMA BODIES

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7
Q

Schwannoma

A

CN 8 - hearing loss
Antoni A and b
If bilateral - think neurofibromatosis 2

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8
Q

Retinoblastoma

A

unilt - sporadic
bilat - familial - associated with osteosarcoma
small, round, blue cells - rosettes

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9
Q

Craniopharyngeoma

A 
Rathkes pouch
CHILDREN
Calcified
Encroaches on pituitary or optic chiasm 
Looks like adamantinoma histo
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BOARDS (8 decks)

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