Flashcards in Brain Tumours Deck (58)
What are the 2 general types of brain tumour?
In primary tumors, what are the different type?
What are the commonest tumours which spread to the brain?
What is the most common type of brain tumour?
Metastatic brain tumours
What cells are gliomas derived from?
What stage is a GBM?
What are classed as primary malignant tumours?
In which meningeal layer do meningiomas usually present
Where fo meningiomas usually present in the brain?
Along falx, convexity or sphenoid bone
Are meningiomas curable?
Yes by surgical excision
What is the common signs of pituitary adenoma?
Optic field defect - bitemporal hemianopia
What are the clinical presentations of a brain tumour?
Raised intracranial pressure
Focal neurological signs
What are the main symptoms of raised ICP?
Diploia or blurred vision
What are the signs of raised ICP?
3rd nerve palsy
6th nerve palsy
What is a RED FLAG sign of raised intracranial pressure?
Headache - worse in morning
What investigations would you do if suspected brain tumour?
CT scan (brain)
Biopsy - skin or lymph
What are some focal neurological deficits which may be observed?
Cranial nerve palsy
Patient presents with ataxia & incoordination, where is the lesion?
Right handed patient presents with acalculia, agraphia, finger agnosia, left/ right confusion, where is the lesion?
Left parietal lobe
If patient presents with bitemporal hemianopia, where is the lesion?
If right handed patient presents with difficulty reading, difficulty expressed self, short term memory loss, where is the lesion?
Left temper-parietal area
What are the main management goals?
Reduce size of tumour (debunk)
Improve focal neurological signs
What type of management is available?
Are GBM operable?
Yes but not curative only debulk or biopsy
What treatment would be administered in someone with metastatic brain tumours?
What is the prognosis for GBM?
What is the prognosis for meningioma?
Commonly cured with surgery
What is the prognosis for metastatic disease?
Medium term remission
Why do you NOT perform lumbar puncture in someone with brain tumour?
Risk of herniation syndrome and patient death