How does the Gamma Knife work?

The Gamma Knife uses a highly accurate beam of radiation to destroy cancer but does not involve conventional, open surgery, so it can usually be carried out in a single day.

Radiation coming from 201 separate sources is directed to a specific target. Highly sophisticated computer software is used to determine the size, location and shape of the area to be treated. Only at the point where all 201 beams cross is enough radiation delivered to affect the diseased tissue, while sparing surrounding tissue.

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Important: This content reflects information from various individuals and organizations and may offer alternative or opposing points of view. It should not be used for medical advice, diagnosis or treatment. As always, you should consult with your healthcare provider about your specific health needs.