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General enquiries:
+44 (0)207 935 4444
Book an appointment:
+44 (0)207 616 7693
Self-pay enquiry:
+44 (0)203 219 3315

The CyberKnife® is one of the most innovative and sophisticated forms of radiation therapy. It offers patients a painless, non-invasive alternative to surgery, for the treatment of cancerous tumours and some benign neurological conditions.

The versatile robotic system delivers a state of the art form of highly targeted radiation therapy known as stereotactic body radiotherapy or radiosurgery, delivering high-energy x-rays to kill tumour lesions with sub-millimetre accuracy.

The Cyberknife differs from other stereotactic systems in that it affords real-time image tracking of the target, and the robotic nature of the delivery means greater flexibility in treatment delivery. 

The CyberKnife is located in one of our spacious radiotherapy suites in our award-winning cancer centre, showcasing our commitment to providing patients with the most advanced radiotherapy techniques. Our world-leading Clinical Oncology Consultants discuss your case to ensure you receive the most beneficial treatment.

What is SBRT and SRS?

 Stereotactic radiotherapy also known as Stereotactic Body Radiotherapy (SBRT) or Stereotactic Radiosurgery (SRS) is a method of delivering radiation treatment  in order to kill tumour cells. It differs from other forms of conventional radiotherapy because it delivers higher doses in fewer treatments (typically 1-5) with higher targeting precision.  Stereotactic radiotherapy is more appropriate for some kinds of tumour than others, but it is particularly well established as a technique for brain, lung, liver, lymph nodes, spinal cord and prostate.

CyberKnife at The London Clinic offers the following advantages:

  • CyberKnife is currently the only available radiotherapy modality that allows for real-time target tracking. This allows for greater targeting accuracy, especially in cases where the target may move with breathing.
  • The availability of an on-site 3 tesla MRI ensures high resolution imaging of the tumour site, facilitating greater accuracy in treatment planning.
  • The high accuracy of the treatment delivery helps to minimise potential side effects compared to other forms of radiotherapy or surgery.
  • It is carried out on an outpatient basis with each treatment session taking a maximum of 30-90 minutes.
  • A CyberKnife treatment course normally concludes in a week or less, allowing you to resume your life as soon as possible.
  • Highly-focused radiation allows for the targeting of otherwise untreatable and inoperable tumours.
  • In some contexts it can be an excellent non-invasive alternative to surgery for patients who wish to avoid, or otherwise cannot tolerate a major surgical procedure.
  • It is a painless procedure so there is no need for anaesthetic.
  • It typically has fewer side effects than Surgery
  • SRS/SBRT can be applied as a boost treatment in addition to conventional radiotherapy.

What does CyberKnife treat?

At The London Clinic, our multi-disciplinary team, led by our experienced CyberKnife trained Clinicians are experienced in treating the following conditions:

Stereotactic radiosurgery (SRS) with Cyberknife:

Stereotactic body radiotherapy (SBRT) with Cyberknife:

  • Prostate
  • Lung
  • Liver
  • Pancreas
  • Lymphatic nodes in most places in the body that have formed due to a primary cancer elsewhere in the body
  • Some primary tumours that have re-grown after surgery and/or radiotherapy; this includes disease in the abdomen, thorax, head and neck

Understanding your treatment

Unlike the name suggests, CyberKnife doesn’t involve any physical cutting and is a painless delivery technique, which uses targeted radiation to treat the defined area. Treatments are completed either as a single session or typically delivered as an outpatient procedure over three to five days.

Following a decision from a multi-disciplinary team of clinicians reviewing your case, you will be sent for a set of images on a CT scanner (and possibly MRI). These scans are used to help design a bespoke patient treatment plan, which will determine how the CyberKnife will position itself during treatment and indicates how the radiation is absorbed into the target. Your Consultant will then review the plan alongside our experienced Medical Physics team and approve it ready for treatment.

CyberKnife treatments usually last between 30-90 minutes. During this time the robotic arm of the CyberKnife will position itself around you and direct approximately 80-150 narrow beams of radiation precisely on to the target.

The target itself may move with breathing, but it is accurately tracked throughout the treatment using x-ray imaging and the sophisticated CyberKnife tracking algorithms. In order to help with tracking, in some cases fiducials (small metal markers) may need to be implanted around the target. This is performed by a trained CyberKnife Radiologist prior to treatment. For prostate treatments a SpaceOAR gel implant may also be offered to further minimise the possibility of side effects.

Treatment recovery 

You can usually be treated and go home the same day. Short term Side-effects are usually temporary and mild. In contrast, conventional surgery is likely to require intensive care support following the operation  and a recovery period of several weeks.

Overall side-effects and potential complications associated with CyberKnife depend on the location of the treatment but are typically much lower than those associated with an equivalent surgical procedure.

Why choose CyberKnife at The London Clinic?

The CyberKnife is located in one of our spacious radiotherapy suites in our dedicated, award-winning cancer centre, the Duchess of Devonshire Wing. 

The advantage of having a dedicated cancer facility means that all services essential to patient care are close at hand throughout the treatment pathway, such as our Clinical Nurse Specialists (CNS) and Radiographers. The London Clinic also offers complementary therapies and oncology counselling.

All cases are discussed by leading Consultants to ensure that each patient is recommended the most beneficial treatment to them. On-site specialist Radiologists will help prepare you for treatment with fiducial or SpaceOAR implant which further helps to decrease potential side effects. The London Clinic was the first hospital in the UK to offer SpaceOAR for protected prostate radiotherapy treatment.

CyberKnife Cost

The London Clinic offers affordable, competitive self-pay packages. Please call +44 (0)203 219 3315 to speak to our helpful team to find out more and book an appointment. 


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Facilitating acute admissions into The London Clinic whilst maintaining the highest levels of safety and care, supported by a consultant on-call rota.

Concierge service

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We can support our patients with travel, hotel accommodation, London tours, plus theatre and restaurant reservations.

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Main numbers

General enquiries: 020 7935 4444 Appointments: 020 7616 7693 Self-pay: 020 3219 3315

Other numbers

Concierge service: 020 3219 3323International office: 020 3 219 3266Invoice and payment enquiries: 020 7616 7708

Your call may be recorded for training and monitoring purposes.

Medical service numbers

Breast services appointments: 020 7616 7653 Diagnostics appointments: 020 7616 7653 Endoscopy appointments: 020 7616 7760 Eye centre appointments: 020 7616 7768 Haematology appointments: 020 7535 5503 Kidney services appointments: 020 7224 5234 Liver services appointments: 020 7616 7719 Physiotherapy appointments: 020 7616 7651 Radiology appointments: 020 7616 7653

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