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CyberKnife Center

The CyberKnife® System from Accuray is the world's most accurate robotic radiosurgery device.  It is an intelligent system designed to treat tumors anywhere in the body with sub-millimeter precision.


The CyberKnife's flexible robotic arm provides unparalleled access to previously unreachable tumors, and because the CyberKnife is noninvasive, doctors can treat tumors anywhere in the body without making a single incision.  The system provides a viable option for patients previously diagnosed with inoperable tumors.

As a CyberKnife patient, you benefit from:

  • No Incisions
  • No Pain
  • No Anesthesia
  • No Recovery Time
  • Immediate Return to Normal Activity 

How Does the CyberKnife System Work?

The CyberKnife System uses image guidance technology and computer controlled robotics to continuously track, detect and correct for tumor and patient movement throughout the treatment.  Because of its extreme precision, the CyberKnife System does not require invasive head or body frames to stabilize patient movement, vastly increasing the system's flexibility.

Unlike traditional radiosurgery systems that can only treat tumors in the head and neck, the CyberKnife system can treat both intracranial and extracranial tumors.  In fact, the extracranial treatments currently represent more than 50% of CyberKnife procedures in the United States, including those of the spine, leg, prostate, liver and pancreas.  The CyberKnife System provides an additional option to many patients diagnosed with previously inoperable or surgically complex tumors.

What Makes CyberKnife Unique?

  1. Total Clinical Accuracy:  The CyberKnife System has proven to be the most accurate, real-time, image guided robotic radiosurgery system in the world.  It is so precise, radiation beams can conform to small, complex-shaped tumors while minimizing damage to the surrounding healthy tissue.

  2. 100% Frameless:  The combination of the image guidance system and the multi-jointed robotic arm allows the system to compensate for patient movement, sparing patients from the pain and inconvenience associated with the conventional head frame commonly fixed to the patient's skull.

  3. Painless "Surgery":  The CyberKnife System allows patients to be treated in a unique radiosurgery suite where painless "surgery" is performed with no incisions, no blood, no anesthesia and no recovery time.

  4. Better Quality of Life, During & After Treatment:  The simple outpatient procedure allows patients to undergo their treatment and immediately resume normal activities.

If you have additional questions about the CyberKnife System, please feel free to contact Nancy Daugherty-Virts, CyberKnife Coordinator with the FMH Regional Cancer Therapy Center, either by phone at 240-566-4761 or by email at



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