Irradiation

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Irradiation
TermIrradiation
Short definitionirradiation (ih-RAY-dee-AY-avoid) The use of high-energy radiation from X-rays, gamma rays, neutrons, protons, and other sources to kill cancer cells and shrink tumors. The radiation can come from a device outside the body (external beam radiation therapy) or from radioactive material that is introduced into the body near cancer cells (internal beam radiation therapy or brachytherapy). 
TypeCancer terms
SpecialtyOncology
LanguageEnglish
SourceNCI
Comments


irradiation - (pronounced) (ih-RAY-dee-AY-avoid) The use of high-energy radiation from X-rays, gamma rays, neutrons, protons, and other sources to kill cancer cells and shrink tumors. The radiation can come from a device outside the body (external beam radiation therapy) or from radioactive material that is introduced into the body near cancer cells (internal beam radiation therapy or brachytherapy). In the case of systemic irradiation, a radioactive substance, e. g. a radiolabeled monoclonal antibody, which travels in the blood to tissues throughout the body. Also called radiotherapy and radiation therapy

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