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Treatment Comparison
Differences Between Common Radiosurgery Technologies
The most widely used radiosurgery devices include: cobalt-sourced systems (Gamma Knife), modified linear accelerators, and the CyberKnife®. All of these devices are capable of delivering the desired radiation dose to a designated target, however there can be important differences between these devices, which may have a significant impact on treatment clinical outcome
CyberKnife® | Gamma Knife® | Other Linac Systems (Elekta Synergy®, Novalis®, Varian Trilogy®, TomoTherapy®) |
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Yes | Yes | No | |
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No | No | Yes | |
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Brain, Spine, Entire Body |
Brain | Brain +/- other selected sites depending upon specific system | |
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No | Yes | Yes | |
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No | Yes | No | |
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Yes | No | Yes | |
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Yes | N/A | No | |
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Yes | N/A | Varian Trilogy® uses respiratory gating but does not track with radiosurgical precision – Other systems do not adapt to breathing |