Brain Tumour facts: 10 things you should know about brain tumours | Cancer Research UK
Everything you need to know about brain tumours, from Cancer Research UK.
What is a brain tumour? What are the causes, signs and symptoms of brain tumours? Find out the ten things you should know in this video, or learn more on our website:
https://www.cancerresearchuk.o....rg/about-cancer/brai
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Cancers that start in the brain are called primary brain tumours. Tumours can start in any part of the brain or related structures. Cancers that have spread to the brain from somewhere else in the body are called secondary brain tumours or brain metastases.
Generally, brain tumours can be cancerous (malignant) or non cancerous (benign).
Around half of all brain tumours, or tumours in another part of the central nervous system, are malignant. The other half are benign tumours, or tumours where the diagnosis is not known.
When the diagnosis is not known it is usually because the tumour is in a part of the brain that is too difficult to take a sample (biopsy) from.
Having a brain tumour is relatively rare. Brain tumours that are cancerous (malignant) are more common in males than females. Non cancerous brain tumours, and tumours where the diagnosis is unknown, are more common in females.
Almost half (46%) of brain tumours in the UK each year are diagnosed in people aged 65 and over. This includes tumours in other parts of the central nervous system and tumours anywhere else inside the bones of the head.
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