Brain Tumours

Question 1

Which is more common, primary or metastatic brain tumour?

Answer 1

Metastatic in adults, primary in children.

Question 2

Where do metastatic brain tumours commonly come from?

Answer 2

Breast, bowel, lung, renal, melanoma

Question 3

What are the features of a metastatic brain tumour?

Answer 3

1. May be multiple
2. Ring enhancing or solid with enhancement
3. Marked surrounding oedema

Question 4

What type of cancer is a primary intrinsic brain tumour?

Answer 4

Glioma (astrocytoma)

Question 5

What types of cancer are primary extrinsic brain tumours?

Answer 5

Meningioma, acoustic neuroma.

Question 6

How does a brain tumour typically present?

Answer 6

Signs of raised ICP, seizures, focal neuropathy, rarely headaches.