AMA CPT® Assistant - 2005 Issue 9 (September)
Clinical Brachytherapy (September 2005)
September 2005 pages 1-4 Clinical Brachytherapy Radiation therapy is the delivery of a high dose of radiation into the body to kill cancer cells while sparing the surrounding healthy tissue from damage. Radiation therapy may be delivered in two ways: externally and internally. External beam radiation therapy (teletherapy) is performed with a machine that delivers highenergy rays or beams to the cancer site. Internal radiation therapy (brachytherapy) is a radiation procedure in which small radiation sources are placed in or near the tumor or target tissue. The sources emit a relatively high dose of radiation to the tumor and...
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