CNS tumours Flashcards Preview

Year 3: Neuro > CNS tumours > Flashcards

Flashcards in CNS tumours Deck (9)
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1
Q

define CNS tumours?

A
  • Tumours of the central nervous system

- they are differentiated into high grade and low grade.

2
Q

example of a high grade CNS tumour?

A

● Glioma and glioblastoma multiforme -MOST COMMON
● Primary cerebral lymphoma
● Medulloblastoma

3
Q

example of a low grade CNS tumour?

A
●	Meningioma – SECOND MOST COMMON
●	Acoustic neuroma 
●	Neurofibroma
●	Pituitary tumour
●	Craniopharyngeoma
●	Pineal tumour
4
Q

where do brain mets most commonly arise from?

A
●	Lung (most common) 
●	Breast 
●	Bowel 
●	Skin 
●	Kidney
5
Q

risk factors for CNS tumours?

A

o Ionising radiation
o Immunosuppression eg HIV
o Inherited syndromes (e.g. neurofibromatosis

6
Q

epidemiology of CNS tumours?

A

rare

● AIDS patients have an increased risk

7
Q

which tumours will present early?

which tumours will present late?

A

o Tumours in the frontal and temporal regions may take longer before becoming symptomatic

o tumours in speech and visual areas can become symptomatic sooner.

8
Q

presenting symptoms of CNS tumours?

A

● Headache (worse in the morning and when lying down)
● Nausea and vomiting
● Seizures
● Progressive focal neurological deficits
● Cognitive and behavioural symptoms
● Papilloedema

9
Q

best investigation for a brain tumour?

A

● MRI scan – gold standard