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Question 1

Rosenthal fibers (red and look like worms)

Answer 1

Pilocytic astrocytoma

Question 2

Cystic. Around ventricles and cerebellum

Answer 2

Pilocytic astrocytoma

Question 3

Necrosis and pseudopalisading appearance

Answer 3

Glioblastoma multiforme

Question 4

Butterfly on MRI crossing from one hemisphere to next. Enhances. Ringed appearance with contrast

Answer 4

Glioblastoma multiforme

Question 5

Cells that support myelin in CNS

Answer 5

Oligodendrocytes

Question 6

Originate from oligodendrocytes

Answer 6

Oligodendrogliomas

Question 7

Oligodendrogliomas are usually

Answer 7

Supratentorial

Question 8

Fried egg (halo around tumor cells) appearance

Answer 8

Oligodendromas

Question 9

Treat oligodendrogliomas with

Answer 9

Resection, radiation, chemo

Question 10

Can be infratentorial or supratentorial

Answer 10

Ependymomas

Question 11

Most common spinal cord glioma

Answer 11

Ependymoma

Question 12

Have headaches (worse in the morning) and vision changes b/c tumor can obstruct 4th ventricle causing hydrocephalus

Answer 12

Ependymomas

Question 13

Have perivascular pseudorosettes

Answer 13

Ependymomas

Question 14

Small round blue cell tumors

Answer 14

Primitive neuroectodermal tumors

Question 15

Most common intracranial PNET around cerebellum

Answer 15

Medulloblastoma

Question 16

Have drop mets down spinal cord b/c of CSF infiltration

Answer 16

Medulloblastoma

Question 17

Homer-wright rosettes

Answer 17

Medulloblastoma

Question 18

True rosettes

Answer 18

Retinoblastoma

Question 19

Arise from arachnoid cells

Answer 19

Meningioma

Question 20

Have whorls of psammoma bodies

Answer 20

Meningioma

Question 21

Have dural tail

Answer 21

Meningioma