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Author
tonyjeffs



Joined: 25 Apr 2009
Posts: 1
Location: liverpool
PostPosted: Sat Apr 25, 2009 11:30 pm    Post subject: Gamma Knife vs Linac Reply with quote

I understand the basic principals of gamma knife radiosurgery; 201 beams of radiation target the tumour from different angles. Where they individually pass through healthy tissue, they are mild enough to cause a minimum of damage, but where they meet up at the tumour, their combined energy is enough to kill it.

Linac achieves a similar result, but uses beams of electrons rather than gamma rays.

How can Linac be as effective in preserving healthy tissue since it uses just 9 beams as opposed to 201?

Thanks

Tony

ps Hi I'm new! Good to meet you. Is there a way to search these forums in case a question has been asked alredy? To.

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