SOL

Question 1

Where is CSF produced?

Answer 1

Choroid plexus in the lateral and 4th ventricles of the brain

Question 2

Give 3 reasons for hydrocephalus occurring, providing an example with each

Answer 2

Obstruction to flow of CSF (e.g. inflammation)
Decreased resorption (e.g. post SAH)
Over production of CSF (e.g. RARE; certain tumours of the choroid plexus)

Question 3

Why do patients feel nauseous if they are experiencing raised ICP?

Answer 3

Occurs due to pressure on the vomiting centres in the Pons and Medulla

Question 4

Brain tumours are the commonest cause of cancer death in which age group?

Answer 4

<40s

Question 5

There is generally a difference in the site of tumour between adults and children; what is the difference?

Answer 5

• Majority of tumours arise below the tentorium cerebelli in children.
• Majority of tumours arise above the tentorium cerebelli in adults.

Question 6

What do the majority of brain tumours present with?

Answer 6

Focal neurological deficit

Question 7

Name 3 SEs of radiotherapy when used in brain tumour cases (3)

Answer 7

Drops IQ by 10, damages skin and hair and causes fatigue.