How CyberKnife works ?


CyberKnife® is the only FDA approved completely Robotic Stereotactic Radiosurgery System available in the world that targets and destroys small and previously inaccessible tumors or lesions anywhere the body.

As a non-invasive “operation”, CyberKnife has proven to be an effective alternative to surgery or conventional radiation for treating vascular abnormalities, tumors, functional disorders, and cancers with sub-millimeter accuracy. CyberKnife gives renewed hope and the possibility of a better quality of life, especially for patients with tumors previously diagnosed as inoperable, and for those who have already received the maximum amount of radiation through other treatment methods. Contact for CYBER KNIFE IN INDIA today.

CyberKnife uses advanced robotics and computer guidance to deliver precise radiation beams to treat tumors anywhere in the body…even those previously thought untreatable with other radiosurgery systems.

A computer program evaluates the unique shape and location of the tumor to determine the orientation of each of the 1,200 or more beams of radiation that will target the tumor. Each tumor generally requires one to five treatments, each lasting 45 to 90 minutes.

Conditions Cyberknife® Can Treat

All patients considered for radiotherapy are potential candidates for CyberKnife® also. Research is still going on what all other pathologies and conditions can be considered for CyberKnife® treatment.



CyberKnife is so precise and accurate that radiation beams can treat small, complex tumors near critical structures such as hearing and vision nerves:

  • Surgical-like outcomes, without surgery
  • Painless outpatient procedure…no head frames
  • Does not carry the risks and complications associated with conventional surgery
  • FDA approved to treat tumors and lesions throughout the body
  • No anesthesia
  • No recovery time…immediate return to normal activity

Cyberknife® Indications

  • Lesions adjacent to radiosensitive structures
  • Complex-shaped lesions
  • Previously irradiated lesions precluding further external beam irradiation
  • Recurrent lesions after surgery
  • Lesions requiring difficult surgical approaches
  • Patients who are too frail for surgery or refuse surgery

Radiosurgery Versus Radiotherapy in India

Radiosurgery is a form of radiotherapy. Both deliver radiation but use different means and doses to minimize the risk of radiation damage to healthy tissue.

Standard radiotherapy delivers small daily doses of radiation in multiple treatment sessions over several weeks. Radiosurgery delivers radiation in single high doses that conform closely to the tumor shape, and fall off sharply at the edge of the tumor. Treatments can typically be done in a single session. For some patients with large tumors, the target is divided into smaller targets, each of which is treated with high doses in separate daily sessions.

Stereotactic radiosurgery was once limited to brain tumors, but today it may be used to treat other diseases and conditions, including : –

  • Brain metastases
  • Acoustic neuroma and other head and neck (nasopharyngeal) cancers
  • Blood vessel problems such as arteriovenous malformations
  • Pituitary tumors
  • Spinal cord tumors
  • Cancer of the eye (uveal melanoma)
  • Movement disorders
  • Parkinson’ s disease
  • Neurological problems
  • Some causes of epilepsy
  • Trigeminal neuralgia

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