Intraoperative Radiotherapy

The development of the capacity to use electron beams at various energies stimulated the development of the new technology of intraoperative radiation therapy. The visual­ ization of the primary tumor, definition of the site to be irradiated, and knowledge of the size of tumor to be irradiated, including adequate margins for microscopic extent along with debulking of the tumor, have allowed intraoperative radiation therapy to be pur­ sued in a wide variety of disease processes. Not only is it