PMID: 2509870Sep 1, 1989Paper

The dosimetric properties of an intraoperative radiation therapy applicator system for a Mevatron-80

Medical Physics
C E NelsonS Rakfal

Abstract

An applicator system for intraoperative radiation therapy has been fabricated which does not require physical docking with the accelerator. A dosimetric study has been completed which documents the properties of this system for a variety of electron beam energies, applicator sizes, collimator settings, both primary and secondary, and source-surface distance (SSD) settings. Sensitivity of the system to common misalignment errors was also determined. Results indicate (a) applicator leakage of less than 5%, (b) beam flatness to within plus or minus 5% at the dMAX with a single primary collimator setting, (c) smooth changes in output with cone size, beam energy and SSD, and (d) negligible changes in dose distributions within alignment errors permitted by the system.

Citations

May 10, 2000·International Journal of Radiation Oncology, Biology, Physics·P BjörkK Larsson
Mar 26, 2003·International Journal of Radiation Oncology, Biology, Physics·Damian BernardAmod Saxena

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