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TeachMeFinance.com - explain Teletherapy Teletherapy The term 'Teletherapy' as it applies to the area of nuclear science can be defined as ' Treatment in which the source of the therapeutic radiation is at a distance from the body. Because teletherapy is often used to treat malignant tumors deep within the body by bombarding them with a high-energy beam of gamma rays (from a radioisotope such as cobalt-60) projected from outside the body, it is often called “external beam radiotherapy.” For related information, see the Backgrounder on Medical Use of Radioactive Materials. '.
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