CNS (Brain) Tumours Flashcards
def
an abnormal growth within the cranium
what types of brain tumours are there
primary
secondary (metastases)
what do patients with brain tumours commonly present with
signs of raised ICP headache altered mental status N+V gait problems
aetiology
children - embryonic defect
adults - unknown
epi
common in children and elderly
how does someone with a CNS tumour present
signs of raised ICP (headache, N+V)
seizures
focal neurological deficits (dysphagia, hemiparesis, ataxia, visual field defects)
personality change
what might be seen on examination
papilloedema (raised ICP)
what symptoms would be present with a tumour in the olfactory groove
anosmia
frontal lobe dysfunction
what symptoms would be present with a tumour in the cavernous sinus
opthalmoplegia
V1 and V2 sensory loss
what symptoms would be present with a tumour in foster kennedy syndrome
meningioma compressing CNII
ipsilateral optic actrophy
contralateral papilloedema
what symptoms would be present with a tumour in the pituitary fossa
bitemporal hemianopia
what symptoms would be present with a tumour in parinauds syndrome (pineal region)
impairs upgaze
what symptoms would be present with a tumour in the para-saggital region
spastic paraparesis
mimics cord compression
what is the most common primary CNS tumour
meningioma
what is an acoustic neuroma (vestibular schwannoma)
benign tumour in the cerebellopontine angle which grows from vestibular component of vestibulocochlear nerve
