Dictionary of Cancer Terms
View in Spanish: Braquiterapia
Brachytherapy (BRAY-kee-THAYR-uh-pee)
A type of radiation therapy in which radioactive material sealed in needles, seeds, wires, or catheters is placed directly into or near a tumor. Also called implant radiation therapy, internal radiation therapy, and radiation brachytherapy.
Source: National Cancer Institute Dictionary of Cancer Terms, available at www.cancer.gov/dictionary.