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External beam radiation for prostate cancer kills cancer cells by destroying the genetic material that controls how cells grow and divide. Healthy cells in the beam's path also are affected by the radiation, resulting in side effects.
External beam radiation for prostate cancer includes intensity-modulated, image-guided radiation therapy (IG-IMRT), typically delivered over five weeks, and hypofractionated radiation therapy (what we call MSK Precise ™), typically delivered over a week and a half in five total treatments.
The main types of radiation therapy used for prostate cancer are: External beam radiation. Brachytherapy (internal radiation) Radiopharmaceuticals (medicines containing radiation that are injected into the body)
External radiation (or external beam radiation) is the most common type of radiation therapy used for cancer treatment. A machine is used to aim high-energy rays or particles from outside the body at the tumor.
External beam radiation therapy is used to treat many types of cancer. it is a local treatment, where a machine aims radiation at your cancer. Learn more about different types of external beam radiation therapy, and what to expect if you're receiving treatment.
External beam radiation therapy (EBRT) uses a treatment machine called a linear accelerator. It aims a beam of radiation directly to the prostate. The beam passes through your body and destroys cancer cells in its path.
External-beam therapy is used as a curative treatment in men with localized prostate cancer (stages T1 or T2), or with locally advanced disease. Sometimes it is given in conjunction with brachytherapy.
WebMD explains the use of radiation therapy for prostate cancer, including internal and external radiation therapy, how radiation therapy is performed, side effects, risks, and more.
External beam radiation effectively destroys cancer cells, but it can also damage healthy tissue. A CT scan determines the prostate gland's exact location to allow for precise focusing and help limit collateral damage to the rectum and bladder.
External beam radiation therapy (EBRT) is the most commonly used form of radiation oncology treatment. It uses high-dose radiation to destroy cancerous cells or shrink tumors. During an EBRT procedure, a machine directs external beams of radiation into cancerous areas inside your body with extreme precision.