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Random UWORLD > Brain Tumors > Flashcards

Brain Tumors Flashcards

1
Q

Most common ADULT brain tumor

A

Metastasis
Glioblastoma
Meningioma
Schwannoma

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2
Q

Most common Child Braintumors

A

Pilocytic Astrocytoma
Medulloblastoma
Ependymoma

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3
Q

“Pseudopalisading” pleomorphic tumor cells

A

Glioblastoma multiforme (grade IV astrocytoma)

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4
Q

Stains astrocytes for GFAP

A 
Glioblastoma multiforme (grade IV astrocytoma) in ADULTS
Pilocytic (low grade) astrocytoma in CHILDREN
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5
Q

Arises from arachnoid cells

A

Meningioma

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6
Q

Whorled pattern; psammoma bodies

A

Meningtioma

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7
Q

Associated with von-Hippel-Lindau syndrome

A

Hemangioma

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8
Q

Can produce epo–> secondary polycythemia

A

Hemagioblastoma

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9
Q

Neurofibromatosis type 2

A

Schwannoma (meningioma as well)

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10
Q

Foamy cells, high vascularity

A

Hemangioblastoma

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11
Q

CN VIII

A

vestibular schwannoma

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12
Q

S-100+

A

Schwanomma

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13
Q

“fried egg” round nuclei with clear cytoplasm

A

Oligodendroglioma

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14
Q

Rosenthal fibers- eosinophilic, corkscrew fibers

A

Pilocytic (low-grade) astrocytoma

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15
Q

Homer-Wright rosetts

A

Medulloblastoma

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16
Q

Can compress 4th ventricle

A

Medulloblastoma and Ependymoma

17
Q

Can cause hydrocephalus

A

Ependymoma

18
Q

Most common childhood supratentorial tumor

A

Craniopharyngioma

19
Q

Derived from Rathke pouch

A

Craniopharyngioma

Random UWORLD (20 decks)

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