Definition of "brachytherapy" [brachytherapy]

• Radiotherapy using radioactive sources positioned within (or close to) the treatment volume. (noun)

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• "The new process, which goes by the name brachytherapy, is a one-off treatment for macular degeneration."
• "As a result, they can receive at least $30,000 and as much as $95,000 per patient for IMRT, compared with only about $1,500 to $7,000 for surgery or an older form of radiation known as brachytherapy, or radioactive "seeds," according to Daniella Perlroth, an academic research associate at Stanford University's Center for Health Policy/Primary Care and Outcomes Research."
• "That included 60 percent of the men who had their prostates removed, 42 percent who had regular radiation and 37 percent of the men who had radioactive seeds, also called brachytherapy."