Glossary Term:


low-dose rate brachytherapy




also called LDR brachytherapy or permanent brachytherapy. Treatment in which pellets or seeds of radioactive material are placed inside thin needles, and put into the cancerous area. The needles are removed and the pellets (seeds) are left in place and give off low doses of radiation for weeks or months. Often used for prostate cancer, in which the pellets are put through the skin of the perineum (behind the scrotum) into the prostate. Compare to high-dose rate brachytherapy. See also perineum, prostate.