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CyberKnife® Robotic Radiosurgery System

Crozer Health , in affiliation with Philadelphia CyberKnife, is proud to offer CyberKnife treatment to our patients.

The CyberKnife Robotic Radiosurgery System is a painless and nonsurgical outpatient cancer treatment with minimal to no side effects.  CyberKnife delivers very high doses of radiation to cancerous and noncancerous tumors with extreme accuracy.  The System allows physicians to zero in on the target tumor and irradiate it without harming the surrounding healthy tissue.  As a result, the CyberKnife treatment is more comfortable for patients, radiation is delivered more accurately and treatments can be completed in one to five sessions. 

Located on West Chester Pike in Havertown, Philadelphia CyberKnife is the first and most experienced facility in the Delaware Valley with the CyberKnife System.

How CyberKnife Works

CyberKnife uses a combination of image guidance technology and computer-controlled robotics to continuously track, detect and correct for tumor and patient movements throughout the treatment, ensuring accuracy and efficiency.

The Technology

CyberKnife is an advanced technology that delivers a specialized form of radiation therapy called stereotactic radiosurgery, or stereotactic body radiation therapy. It is comprised of a compact linear accelerator, a machine that generates a radiation beam, attached to a highly maneuverable robotic arm. The CyberKnife features a device that controls the width of the radiation beams the machine delivers during treatment, allowing our clinical experts to vary the beam size and treat a larger variety of tumors throughout the body.

CyberKnife Procedures

During CyberKnife procedures, patients will lie on a treatment table while the machine’s robotic arm moves around their body delivering high doses of radiation directly to their tumor with pinpoint precision. Most treatment sessions typically last 30 – 90 minutes depending on the size, shape and location of your tumor.

Patient Benefits

The advantages of cancer treatment using the CyberKnife include:

  • Non-surgical Procedure: Procedures are non-invasive and painless for the patient.
  • Greater Flexibility: Using a fully integrated robotic delivery system, the CyberKnife allows for superior reach and maneuverability.
  • Unparalleled Precision and Accuracy: Because the system’s robotic technology continually tracks patient movement and confirms tumor location prior to beam delivery, it is possible to treat lesions that move when the patient breathes.
  • Frameless Structure: Unlike conventional radiosurgical technology, CyberKnife uses the skeletal structure of the body rather than invasive metal frames and skull pins as a reference point for identifying the tumor position throughout treatment.
  • Fractionated Treatments: Unlike frame-based procedures, where the entire process must be performed in a single day, a CyberKnife patient does not need to wait in the hospital while the treatment plan is being developed. Treatment sessions typically last between 30 and 90 minutes, depending on the dose and the tumor shape. Physicians can elect to treat the tumor in a single dose or over several sessions.
  • Fewer Complications: Treatment with CyberKnife has a reduced risk of complications such as infection, hemorrhage and other complications occasionally associated with conventional surgery.
  • Better Quality of Life: Patients can anticipate no hospital stays, minimal recovery periods, less pain, no blood loss and no need for hair shaving. Patients can go home or return to work immediately following treatment and resume normal activities.

Treatable Tumors, Lesions and Conditions

CyberKnife treats tumors anywhere in the body. Thus far, Crozer Health physicians and surgeons have treated patients for thoracic and head and neck cancers. In addition, tumors in other areas, such as the spine, prostate, liver and pancreas and more, can be treated as indicated below.


  • Acoustic neuroma
  • Anaplastic astrocytoma
  • Brain metastases
  • Chordoma
  • Craniopharyngioma
  • Ependymoma
  • Gangliocytoma
  • Germinoma
  • Glioblastoma multiforme
  • Glioma
  • Glomus jugulare tumor
  • Glomus vagale
  • Hemangioblastoma
  • Meningioma
  • Neurocytoma
  • Neurofibroma
  • Neurofibromatosis
  • Oligodendroglioma
  • Parotid SCCA
  • Primitive neuroectodermal tumors (PNET)
  • Pituitary adenoma
  • Schwannoma
  • Skull base tumors
  • Trigeminal neuralgia
  • Vestibular schwannoma



  • Adrenal metastases
  • Arteriovenous malformation (AVM)
  • Hepatocellular carcinoma
  • Nasopharyngeal carcinoma (head & neck recurrences)
  • Non-small cell lung cancer
  • Oligometastases
  • Osteosarcoma
  • Pancreatic cancer
  • Prostate cancer
  • Renal cell carcinoma
  • Squamous cell carcinoma
  • Small cell lung cancer
  • Spinal tumors


  • Body metastasis
  • Brain metastasis

Some cases may be appropriate for treatment even though the specific condition isn’t listed above. Please contact our center to discuss your particular case.

Contact Us

For more information about CyberKnife technology, please call us at 610-446-6850 or contact Philadelphia CyberKnife to request additional information or schedule an appointment.