brain tumors

Question 1

What are the three modalities used in the treatment of a brain tumor?

Answer 1

1. Surgery
2. Chemotherapy
3. Radiation therapy

Question 2

What are the most common types of brain tumors?

Answer 2

Metastatic Tumors

Question 3

Brain Tumor with a 2-year survivial rate of 26.5% with standard therapy

Answer 3

Glioblastoma multiforme (GBM)

Question 4

Benign tumor derive from arachnoid cap cells with well-delineated margins

Answer 4

Meningioma

Question 5

Epstein-Barr virus (EBV) +B-cell tumor fo the CNS in AIDS patients

Answer 5

CNS lymphoma

Question 6

Malignant pediatric tumor found exclusively in the posterior fossa

Answer 6

Medulloblastoma (metastasixes through CSF pathways)

Question 7

Most common pediatric intracranial tumor

Answer 7

juvenile pilocytic astrocytoma

Question 8

Most common pediatric supratentorial tumor

Answer 8

Craniopharyngioma

Question 9

Most common pituitary adenoma

Answer 9

Prolactinoma

Question 10

Most common pituitary tumor

Answer 10

Pituitary adenoma

Question 11

Most common primary brain tumor

Answer 11

Glioblastoma multiforme

Question 12

Multiple lesions at presentation

Answer 12

CNS lymphoma, metastases

Question 13

Small round blue cell tumor

Answer 13

Medulloblastoma

Question 14

Tumor arising from ependymal lining of ventricular system that may cause spinal metastases

Answer 14

Ependymoma

Question 15

Tumor characterized by highly malignant cells bordering necrotic areas

Answer 15

Glioblastoma multiforme

Question 16

Tumor derived from Rathke pouch

Answer 16

Craniopharyngioma

Question 17

Tumor fo the dorsal root that may grow in a dumbell configuration through a vertebral foramen

Answer 17

Schwannoma

Question 18

Tumor which originates from the vestibular division of CN VIII

Answer 18

Schwannoma

Question 19

Type of tumor that may be found bilaterally in patients with neurofibromatosis II

Answer 19

Acoustic neuroma/ Schwannoma

Question 20

Vascular tumor of cerebellum and retina in patients with von Hippel-Lindau syndrome

Answer 20

Hemangioblastoma

Question 21

Associated with loss of heterozygosity in chromosomes 1p and 19q that commonly presents with seizures

Answer 21

Oligodendroglioma

Question 22

Tumor arising near foramen of Monro almost exclusively in patients with tuberous sclerosis

Answer 22

Subependymal giant cell astrocytoma

Question 23

Two tumors often presenting with bitemporal hemianopia

Answer 23

1. Pituitary adenoma
2. Craniopharyngioma