![](https://webarchive.library.unt.edu/eot2008/20081103070851im_/http://www.cancer.gov/images/spacer.gif) |
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(... RAY-dee-AY-shun THAYR-uh-pee)
![](https://webarchive.library.unt.edu/eot2008/20081103070851im_/http://www.cancer.gov/images/spacer.gif)
| A type of radiation therapy in which radioactive material sealed in needles, seeds, wires, or catheters is placed directly into or near a tumor. Also called brachytherapy, radiation brachytherapy, and internal radiation therapy. |
Previous Definitions: | immunotherapy, immunotoxin, Imodium, impairment, implant | Next Definitions: | implantable cardioverter-defibrillator, implantable pump, impotence, impotent, IMRT |
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