proton beam radiation therapy
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- (PROH-ton beem RAY-dee-AY-shun THAYR-uh-pee) A type of high-energy, external radiation therapy that uses streams of protons (small, positively charged particles) that come from a special machine. Proton beam radiation is different from x-ray radiation.
National Cancer Institute - Cite This Source - This Definition - charged-particle radiation therapy, electron beam, external-beam radiation therapy, external radiation therapy, fast-neutron beam radiation, intensity-modulated radiation therapy, intraoperative radiation therapy, ionizing radiation, photon-beam radiation, plaque radiotherapy, radiation necrosis, radiation oncologist, radioimmunotherapy, radiosensitization, radiosensitizer, systemic radiation therapy, ultraviolet radiation therapy, unsealed internal radiation therapy, x-ray therapy