General Information Treatment Advantage

General Information

The CyberKnife® Advantage

  • Patient Comfort

    The CyberKnife® System is a leading technology in a targeted type of radiation delivery called stereotactic radiosurgery (SRS) or stereotactic body radiation therapy (SBRT). SRS/SBRT is widely used for treatment of brain metastases, and other benign and malignant brain tumors.

    The CyberKnife System is a frameless radiation delivery system. With other technologies, immobilization devices, such as a frame bolted to the patient’s skull are used to prevent movement. The CyberKnife System is designed to automatically adjust for movement and therefore does not require a frame.

    The CyberKnife System has been proven to deliver radiation to the skull with sub-millimeter precision, to within 4 which means minimal radiation is delivered to the surrounding healthy brain tissue.

  • Clinically Proven

    In a clinical study of 133 patients treated for tumor metastases to the brain presenting with clinical symptoms such as headaches and seizures, 90 percent of patients either stabilized or improved performance status following treatment with the CyberKnife System. 1

    In a clinical study of 333 patients using the CyberKnife System to treat tumor metastases to the brain, more than 85 percent of evaluable patients achieved local tumor control at two years post treatment.1 That is, the tumor either decreased in size or stopped growing.

    A clinical study of 199 patients whose lesions were unsuitable for treatment with surgery and/or a portion of the lesion remained after surgery found that more than 92 percent of patients either experienced stabilization or a significant improvement of their symptoms following treatment with the CyberKnife System. 2

  • Alternate to Surgery

    Treatments with the CyberKnife System are non-invasive and pain free.

    In some cases, CyberKnife radiosurgery may be an alternative to traditional surgery. It does not typically require anesthesia or an overnight hospital stay, and eliminates the recovery time and risks associated with surgery.

  • Convenient Treatment Schedule

    Because treatments with the CyberKnife® System can be spread out over more than one session, it can treat patients who could not be treated with frame-based systems, such as the GammaKnife. 2

    As compared with single session radiosurgery with the GammaKnife, treatment with the CyberKnife System can be spread out over two to five sessions, which may result in fewer side effects. 3

  • Retreatment

    Because it can precisely target tumors, the CyberKnife System may provide a safe radiation treatment option even for some previously irradiated patients.

  • Talk to Your Doctor

    Discuss eligibility with your doctor. Side effects of CyberKnife treatment are usually mild and temporary, and may include nausea and fatigue. As with any radiation treatment, the side effects can also be severe in some patients and lead to permanent injury or even death. Talk to your doctor to determine if treatment with the CyberKnife System is right for you.

    What makes CyberKnife radiosurgery different »

    Radiation therapy is completely non-invasive. In some cases, tiny gold markers (fiducials) that help distinguish the tumor from non-cancerous soft tissue are implanted with a minimally invasive procedure.

1. Muacevic et al. Journal of Neurooncology. October 2009. Feasibility, safety and outcome of frameless image-guided robotic radiosurgery for brain metastases.
2. Colombo et al. Neurosurgery. Volume 64 Number 2 February 2009 Supplement. CyberKnife Radiosurgery for Benign Meningiomas: Short-Term Results in 199 Patients
3. Customer Loyalty Data. August 2012
4. Antypas et al. Physics in Medicine and Biology.53;(2008)4697-4718. Performance Evaluation of a CyberKnife® G4 image-guided robotic stereotactic radiosurgery system.