Radiosurgery: The Cyberknife

CyberknifeCyberKnife is an entirely new approach to stereotactic radiosurgery because it can deliver targeted radiation to anywhere in the body, while minimizing exposure to surrounding normal tissue. It offers all of the advantages of radiosurgery, but without the need for a metal head frame.

With sub-millimeter accuracy, CyberKnife can be used to treat tumors, cancers, vascular abnormalities and functional disorders. Best of all, it achieves surgical-like outcomes without surgery or incisions.

Using x-ray image cameras and computer technology similar to that used for cruise missile guidance, the CyberKnife locates the tumor in the body. A computer program then evaluates the unique shape and location of the tumor to determine exactly how each of 1200 or more beams of radiation will target the tumor.

An x-ray source located on the CyberKnife’s robotic arm delivers concentrated beams of radiation to the tumor from multiple positions and angles without damaging healthy surrounding tissue.

More here and here.  [Thanks to Tariq Khan.]

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