Brain Tumors

Question 1

Adult

Answer 1

MGM Studio

Metastatic
Glioblastoma
Meningioma
Schwannoma

++ Oligodendroglioma

Question 2

Kids

Answer 2

Animal kingdom, Magic kingdom, Epcot Center

Astrocytoma
Medulloblastoma
Ependymoma
Craniopharyngioma

Question 3

Pseudopalisading

GFAP positive

Answer 3

Glioblastoma

Question 4

Arises from arachnoid cells
whorled pattern
psammoma bodies

Answer 4

Meningioma

Question 5

Hemangioblastoma

Answer 5

vom Hippel-Lindau
Renal cell carcinoma
secondary polycythemia (Foam cells)

Question 6

Vestivular (CN VIII) defects

associated with NF2

Answer 6

Schwannoma

Question 7

Fried egg appearance

Chicken-wire capillary pattern

Answer 7

Oligodendroglioma

“O-leggo-my-eggo”

Question 8

Rosenthal fibers - eosinophilic corkscrew

GFAP positive

Answer 8

Pilocytic Astrocytoma

Question 9

4th ventricle compressed
non-communicating hydrocephalus
Homer-Wright rosettes (small blue cells)

Answer 9

Medulloblastoma

Question 10

perivascular rosettes

rod-shaped blepharoplasts (basal ciliary bodies)

Answer 10

Ependymoma

Question 11

Bitemporal hemianopia
Derived from remnants of Rathke pouch
cholesterol crystals found in “motor oil”-like fluid within tumor

Answer 11

Craniopharyngioma