Word parts
What it means
A form of radiation therapyray-dee-AY-shun THAIR-uh-peeTreatment that uses high-energy rays or radioactive material to kill cancer cells or shrink tumors.Full entry that gives a high dose to the tumor while sparing nearby healthy tissue. The source may be tiny seeds left in place for good (often for prostate cancer) or a device put in for minutes to days and then removed (often for cervical, uterine or breast cancer). While a temporary source is in place, the client gives off radiation.
For the nurse
While a temporary implant is in place, follow radiation safety: a private room, limited time at the bedside, distance and shielding, and no visitors who are pregnant or under 18. Keep a lead container and long-handled forceps in the room in case the source comes out, and never touch it with your hands.
Related terms
radiation therapy
Treatment that uses high-energy rays or radioactive material to kill cancer cells or shrink tumors.
radiation
Energy that travels as waves or particles, such as X-rays, used to make images or treat cancer; also pain that spreads from its starting point.