Definitions for "Interstitial radiation therapy"
The implantation of tiny radioactive seeds directly into the tumor. The seeds give off radiation for about one year and remain in place for the rest of the patient's life.
a treatment for cancer in which a radioactive material is inserted into or near a tumor to provide direct radiation
Radiation treatment for prostate cancer in which radioactive substances known as "seeds" are implanted within the malignant tumor mass. Also, internal radiation therapy.