CNS Tumors Buzz

Question 1

Tumor in a child less than 20 years old

Answer 1

Pilocytic Astrocytoma Medulloblastoma Choroid Plexus Tumors Ependymoma Craniopharyngioma

Question 2

Tumors seen in people in their 30s

Answer 2

Diffuse Astrocytoma Ependymoma (spinal chord) CNS Lymphoma

Question 3

Tumors seen in people in their 40s

Answer 3

Giant Cell Glioblastoma Gliomatosis Cerebri Oligodendroglioma

Question 4

Tumors seen in people in their 50s

Answer 4

Glioblastoma multiforme Gliosarcoma CNS Lymphoma Meningioma

Question 5

Tumors with a p53 mutation

Answer 5

Diffuse Astrocytoma Anaplastic Glioma Glioblastoma Multiforme Giant Cell Glioblastoma Gliosarcoma

Question 6

Rathke’s pouch

Answer 6

Craniopharyngioma

Question 7

Bitemporal hemianopsia

Answer 7

Craniopharyngioma

Question 8

Calcifications in the suprasellar region

Answer 8

Craniopharyngioma

Question 9

Rb gene

Answer 9

Anaplastic glioma Gliosarcoma

Question 10

22q12, NF2 mutation

Answer 10

Meningioma

Question 11

Neurofibromatosis Type 2

Answer 11

Schwannoma Meningioma

Question 12

Li-Fraumeni Syndrome

Answer 12

Choroid Plexus Tumor

Question 13

Von-Hippel Lindau

Answer 13

Hemangioblastoma

Question 14

PTEN

Answer 14

Giant Cell Glioblastoma

Question 15

17q

Answer 15

Medulloblastoma

Question 16

p16

Answer 16

Diffuse Astrocytoma

Question 17

S-100

Answer 17

Schwannoma

Question 18

Synaptophysin

Answer 18

Medulloblastoma

Question 19

Homer-Wright rossettes

Answer 19

Medulloblastoma

Question 20

22q

Answer 20

Ependymoma

Question 21

44 X, Y

Answer 21

Gliomatosis Cerebri

Question 22

Pseudorossettes and rossettes

Answer 22

Ependymoma

Question 23

19q, 1p

Answer 23

Oligodendroglioma

Question 24

Grade II tumor

Answer 24

Diffuse Astrocytoma, Oligodendroglioma, Central Neurocytoma, Ependymoma, Craniopharyngioma

Question 25

Grade III tumors

Answer 25

Anaplastic Glioma Gliomatosis Cerebri

Question 26

Grade IV tumor

Answer 26

Glioblastoma multiforme, Pontine glioma, Giant Cell Glioblastoma, Gliosarcoma, Medulloblastoma

Question 27

Gray-white matter junction

Answer 27

Metastatic lung cancer

Question 28

Papillary

Answer 28

Choroid Plexus tumor

Question 29

+ for cytokeratin

Answer 29

Choroid Plexus tumor

Question 30

Perivascular cuffing

Answer 30

CNS lymphoma

Question 31

CD 20 positive

Answer 31

CNS lymphoma

Question 32

Delicate vascular pattern that looks like chicken-wire

Answer 32

Oligodendroglioma

Question 33

"Ring Enhancing"

Answer 33

Toxoplasmosis, Anaplastic glioma/gliosarcoma, CNS lymphoma

Question 34

Desmoplastic

Answer 34

Medulloblastoma

Question 35

Cerebellopontine angle

Answer 35

Schwannoma

Question 36

CN VIII

Answer 36

Schwannoma

Question 37

Histo: Antonia A and Antonia B

Answer 37

Schwannoma

Question 38

Cerebellum

Answer 38

Pilocytic Astrocytoma, Medulloblastoma (midline vermis)

Question 39

Midline vermis

Answer 39

Medulloblastoma

Question 40

Nodule within a cyst

Answer 40

Hemangioblastoma

Question 41

4th ventricle

Answer 41

Ependymoma Choroid Plexus Tumor (40% of the time)

Question 42

Nuclear Atypia

Answer 42

Anaplastic glioma

Question 43

Lateral ventricle

Answer 43

Choroid Plexus Tumor

Question 44

Invasion through Corpus Callosum

Answer 44

Glioblastoma Multiforme

Question 45

Psammoma bodies

Answer 45

Meningioma

Question 46

Pseudopalisading

Answer 46

GBM, Giant Cell Glioblastoma

Question 47

Hypercellular zones that surround necrotic foci

Answer 47

GBM, Giant Cell Glioblastoma

Question 48

Rossette-like

Answer 48

Giant-Cell Glioblastoma, Medulloblastoma

Question 49

Doesn't form a mass

Answer 49

Gliomatosis cerebri

Question 50

Septum

Answer 50

Central Neurocytoma

Question 51

Grade I

Answer 51

Craniopharyngioma, Hemangioblastoma, Meningioma, Schwannoma