high-dose radiation

Pronunciation: (hy-dose RAY-dee-AY-shun)

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.

Source: NCI Dictionary of Cancer Terms

2005-08-24 Date last modified: 2008-01-16