MammoSite Brachytherapy

**Semantic type:** Therapeutic or Preventive Procedure

**Definition:** A method for brachytherapy that uses an implanted catheter to deliver a radioactive seed into the breast site. During a lumpectomy procedure a catheter with a balloon tip is temporarily implanted into the site where the tumor was removed. After surgery a radioactive seed is fed through the catheter to the tumor site.

**Synonyms:** - Breast Balloon Brachytherapy - Breast Brachytherapy - MammoSite