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.
Definition from: Cancer.govRadioactive seeds. Small, radioactive seeds may be placed in or near a tumor to kill cancer cells.Semillas radiactivas. Las semillas radiactivas pequeñas se pueden colocar en un tumor o cerca del mismo para destruir células cancerosas. Date last modified: 2011-03-14