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Gamma Knife Radiosurgery

  • What is Gamma Knife Radiosurgery?

    Often used on brain tumours, gamma knife radiosurgery is a form of radiation therapy that precisely converges hundreds of individual laser beams at a tumour. It is often used as an alternative therapy to chemotherapy, surgery or other forms of radiation oncology.

    Typically, only sedation or local anaesthesia is needed for gamma knife radiosurgery. Patients do not have to go under the knife, reducing their risk of infection and bleeding. Treatment typically lasts about 15 minutes to over an hour, depending on the patient’s condition.

    Patients typically do not feel any pain, but may feel slight discomfort from the local anaesthesia. A headframe, which is fitted onto patients to prevent any head movement, may also cause slight discomfort.

  • Gamma Knife surgery can be used to treat both benign and malignant brain tumours, especially tumours originating elsewhere in the body that have metastasised to the brain. It can also be used to treat Arteriovenous Malformations (AVMs), an abnormal collection of blood vessels, and nerve disorders like Trigeminal Neuralgia, among others.

    The effects of the Gamma Knife radiosurgery will not be immediate but will be seen over a period of time. Radiation treatments are designed to stop the growth of tumours or lesions, which means the progress will only be seen over a period of weeks or months. Your doctor will stay in contact with you during this period and you may have to undergo follow-up MRI, CT or angiography examinations to monitor your progress.

    Our specialists will be able to assess if gamma knife surgery is a suitable treatment for your condition. Make an appointment for a gamma knife surgery consultation here.

  • Located at ParkwayHealth Day Surgery & Medical Centre, the Gamma Knife Centre is the only such facility in Singapore. Since its inception in 1995, it has been treating patients with clinical conditions such as brain metastases, acoustic neuromas, AVMs, meningiomas and Trigeminal Neuralgia.

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