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Radiotherapy

Radiotherapy or Radiation therapy is a type of cancer treatment that uses beams of intense energy to kill cancer cells. Radiation therapy most often gets its power from X-rays or photons, but the power can also come from protons, electrons or other types of energy. This is a form of local treatment.

Radiotherapy is divided into:

Tele Radiotherapy or external beam radiation therapy. During this type of radiation, the high-energy beams come from a machine outside of your body that aims the beams at a precise point on your body.

Brachytherapy is a different type of radiation treatment in which the source of Radiation is placed next to the cancer and usually placed within a body cavity. It is further divided into high dose rate brachytherapy and low dose brachytherapy.

Radiation therapy damages cells by destroying the genetic material that controls how cells grow and divide. While both healthy and cancerous cells are damaged by radiation therapy, the goal of radiation therapy is to destroy as few normal, healthy cells as possible. This is achieved using sophisticated systems within and around the radiation machine to ensure precise delivery of the right dose to the target volume.

Radiation Therapy is prescribed by Radiation or Clinical Oncologists and delivered by Therapeutic Radiographers or Radiation Therapy Technicians, usually on an ambulatory basis, with the vital support of Medical Physicists and Radiobiologists.

St Stephen Oncology centre is fitted with a UNIQUE performance linear accelerator from Varian