Definitions for "Interstitial radiation"
A procedure in which radioactive material sealed in needles, seeds, wires, or catheters is placed directly into or near a tumor. Also called brachytherapy, internal radiation, or implant radiation.
A type of internal radiation in which a radioactive source (implant) is placed in a body cavity such as the vagina.
A radioactive source (implant) placed directly into the cancerous tissue such as the head and neck region or the breast. Also called brachytherapy.