Print Page
Glossary: radioactive seed, Masonic Cancer Center, University of Minnesota

radioactive seed

(RAY-dee-oh-AK-tiv...)

A small, radioactive pellet that is placed in or near a tumor. Cancer cells are killed by the energy given off as the radioactive material breaks down and becomes more stable.

Radioactive seeds; drawing shows a gloved hand using an instrument to pick up small, radioactive seeds.

Radioactive seeds. Small, radioactive seeds may be placed in or near a tumor to kill cancer cells.

2011-03-14