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(hy-dose RAY-dee-AY-shun)
![](https://webarchive.library.unt.edu/eot2008/20081103152023im_/http://www.nci.nih.gov/images/spacer.gif)
| An amount of radiation that is greater than that given in typical radiation therapy. High-dose radiation is precisely directed at the tumor to avoid damaging healthy tissue, and may kill more cancer cells in fewer treatments. Also called HDR. |
Previous Definitions: | HIFU, high blood pressure, high blood sugar, high grade, high-dose chemotherapy | Next Definitions: | high-dose-rate remote brachytherapy, high-dose-rate remote radiation therapy, high-energy photon therapy, high-grade lymphoma, high-grade squamous intraepithelial lesion |
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