Brain Tumours Flashcards
What is the most common Primary brain Tumour
Astrocycoma (2nd MC in children)
What are the most general brain tumours
Non small cell lung cancer
Where do 2ndary brain tumours typically metatsasise from
NSCLC and SCLC Breast Melanoma RCC Gastric cancer
How are secondary brain tumours treated
Chemo
Pallaitive care
(SEVERE)
How are astrocycomas graded
1-4 by WHO
1 = Benign
4 = Glioblastoma (death <1 year)
What are the presentations of Astrocycomas
Increased ICP --Cushing Triad --Pappiloedema --CN6 Palsy Focal Neurology Epileptic seizures Lethargy and Weight loss
How is Astrocytoma investigated
MRI HEAD = Locate tumour
Biopsy - Grade
Biopsy = Grade tumour
How is Astrocytoma treated
Tumour resection w/ IV Mannitol
Chemo
Why should lumbar puncture be avoided in brain tumours
Massive bleed chance
What does a grade 4 astrocytoma suggest
It is a glioblastoma (Death <1yr)
What are the features of raised icp
Cushing’s Triad
Papilloedema
CN6 Palsy
What is the cushing’s triad
Bradycardia
Raised partial pressure
Irregular breathing
