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A discretized approach to determining TG-43 brachytherapy dosimetry parameters: case study using Monte Carlo
1Department of Radiation Oncology, Tufts University School of Medicine, New England Medical Center, Boston, MA 02111, USA. mrivard@lifespan.org
Abstract:
It is of interest to discern the energy-dependence of American Association of Physicists in Medicine (AAPM) TG-43 brachytherapy dosimetry parameters. Using Monte Carlo calculation geometry and techniques (MCNP), dependence of these parameters was calculated as a function of photon energy, in general, and for the MED3633 103Pd source using a discretized approach. Results were weighted and summed to determine the total contribution for comparison with the 103Pd source literature. Comprehensive 2-D results are discussed, and the level of agreement with other assessments are presented.