tumours of nervous system

Question 1

what type or brain herniation catches the anterior cerebral arteries

Answer 1

subflacine herniation

Question 2

brain herniation that causes contralateral leg weakness

Answer 2

subfalcine herniation

Question 3

what is the most common kind of brain herniation

Answer 3

uncal herniation

Question 4

if patient has a blown pupil what type of herniation is suspected ? where would the tumour likely be found

Answer 4

uncal herniation - tumours in temporal lobe

Question 5

what type of brain herniation causes cushings triad

Answer 5

tonsillar herniation

Question 6

what herniation causes pressure on the brains stem

Answer 6

tonsillar

Question 7

what medication can be given if raised ICP to try remove excess fluid

Answer 7

mannitol

Question 8

what Is the examination for examining cerebellar symptoms

Answer 8

D- dysdiachonkinesia 
A - ataxia 
N- nystagmus 
I - intention tremor 
S- slurred, staccato speech 
H - hypotonia

Question 9

what type of scan is done in suspected brain tumour

Answer 9

MRI

Question 10

whats the most common lesion in the brain

Answer 10

metastesis

Question 11

what is the most common primary lesion in the brain

Answer 11

astrocytoma (GBM- to be specific)

Question 12

who gets a grade one astrocytoma

Answer 12

children

Question 13

a grade 1 astrocytoma clinically

Answer 13

if a child walks on their tiptoes, and has gelastic seizures

Question 14

treatment of. a grade 1 astrocytoma

Answer 14

surgery is curative

Question 15

what is a grade 3 astrocytoma called and what is the mean survival

Answer 15

anaplastic astrocytoma - 2 years

Question 16

what is a grade 4 astrocytoma called and what is the mean survival

Answer 16

glioblastoma and 1 year

Question 17

what is gold standard treatment for malignant astrocytomas

Answer 17

non -curative surgery

Question 18

what drink can be given prior to brain surgery to make th tumour appear pink under light

Answer 18

5- ALA

Question 19

what lobe are oligodendroglial tumours likely to present in

Answer 19

frontal

Question 20

treatment of oligodendroglial tumours

Answer 20

chemo sensitive - give PCV

procarbazine, CCNU (lomustine), Vincristine

Question 21

where do meningiomas originate from

Answer 21

arachnoid cap cells

Question 22

what brain cancer is most commonly seen in children after leukaemia

Answer 22

meningiomas

Question 23

if a child has a midline brain tumour what 3 blood test should be carries out and what additional test

Answer 23

b-hcg, AFP and LDH

lumbar puncture