interstitial radiation therapyListen to pronunciation(IN-ter-STIH-shul RAY-dee-AY-shun THAYR-uh-pee)A type of internal radiation therapy in which radioactive material sealed in needles, seeds, wires, or catheters is placed directly into a tumor or body tissue.Search NCI's Dictionary of Cancer TermsStarts withContainsBrowse:ABCDEFGHIJKLMNOPQRSTUVWXYZ#
