CRO review questions

Question 1

What is the peak age for medulloblastoma of tumour to occur?

2 years old
5 years old
8 years old
12 years old

Answer 1

b

Question 2

An MRI image of a medulloblastoma tumour would have all of the following features, except:

Central cerebrum mass
Hydrocephalus
Round in shape
Possible compression of 4th ventricle

Answer 2

a

Question 3

All of the following would be considered part of the high risk tumour group, except:

2 year old child
M0 – Chang staging system
2.5 cm residual tumour post-operatively
Extension to Supratentorial region

Answer 3

b

Question 4

What is the most important prognostic factor for medulloblastoma?

Grade of disease
Location
Size of tumour
Disease extent

Answer 4

d

Question 5

What area has the highest risk of recurrence for medulloblastoma?

Pons
Posterior fossa
Cerebral cortex
Midbrain

Answer 5

b

Question 6

Chemotherapy is used as a treatment for medulloblastoma in all of the following, except:

High risk disease
Patients with recurrent disease
Sole modality treatment
3 year old child

Answer 6

c

Question 7

Which of the following structures must be included in the cranial fields for CSI to decrease risk of subfrontal recurrence in treating medulloblastoma?

Optic nerve
Temporal fossa
C2
Cribriform plate

Answer 7

d

Question 8

All of the following structures would be included in the posterior fossa boost for medulloblastoma except:

Cerebellum
Medulla oblongata
Pons
C2

Answer 8

d