Brain Tumors

Question 1

What are the 3 most common primary brain tumors in adults?

Answer 1

Pituitary adenoma, meningioma, glioblastoma

Question 2

What are the 3 histological features defining a glioblastoma?

Answer 2

Mitoses, necrosis, endothelial proliferation

Question 3

What can be a reason for why a low grade brain tumor can have a poor prognosis?

Answer 3

Location

Question 4

What are the 2 most common brain tumors in children?

Answer 4

Pilocytic astrocytoma and medulloblastoma

Question 5

What are the 2 hereditary syndromes associated with brain tumors?

Answer 5

NF-1 and NF-2

Question 6

What are the two most common pediatric tumors?

Answer 6

Pilocytic astrocytoma and medulloblastoma

Question 7

What tumor commonly appears in the sella?

Answer 7

Pituitary adenoma

Question 8

What tumor commonly appears in the optic nerve?

Answer 8

Pilocytic astrocytoma (NF-1)

Question 9

What is a grade I astrocytoma?

Answer 9

Pilocytic astrocytoma in the pediatric population

Question 10

What is a grade II astrocytoma?

Answer 10

Astrocytoma in adult population

Question 11

What is a grade III astrocytoma?

Answer 11

Anaplastic astrocytoma in adult population

Question 12

What is a grade IV astrocytoma?

Answer 12

Glioblastoma multiforme in adult population

Question 13

What is the most common neuroectodermal tumor?

Answer 13

Medulloblastoma

Question 14

What is the most common type of pituitary adenoma?

Answer 14

Non-secreting type

Question 15

What is Cushing’s disease?

Answer 15

ACTH secreting pituitary adenoma

Question 16

What are the most common metastatic brain tumors?

Answer 16

Adenocarcinoma, small cell carcinoma, melanoma and rarely other types