a study on the dose distributions in various materials from an ir-192 hdr brachytherapy source研究剂量分布在各种材料从一个ir - 192 hdr近距离放射疗法的来源.pdfVIP

A Study on the Dose Distributions in Various Materials from an Ir-192 HDR Brachytherapy Source 1 2 3 4 5 6 Shih-Ming Hsu , Chin-Hui Wu , Jeng-Hung Lee , Ya-Ju Hsieh , Chun-Yen Yu , Yi-Jen Liao , Li- 7 5. 8 . Cheng Kuo , Ji-An Liang , David Y. C. Huang * 1 Department of Biomedical Imaging and Radiological Science, China Medical University Hospital, Taichung, Taiwan, ROC, 2 Department of Engineering and System Science, National Tsing Hua University, Hsinchu, Taiwan, ROC, 3 Health Physics Division, Institute of Nuclear Energy Research, Longtan, Taiwan, ROC, 4 Department of Medical Imaging and Radiological Sciences, Kaohsiung Medical University, Kaohsiung, Taiwan, ROC, 5 Department of Radiation Oncology, China Medical University Hospital, Taichung, Taiwan, ROC, 6 School of Medical Laboratory Science and Biotechnology, Taipei Medical University, Taipei, Taiwan, ROC, 7 Radiation Oncology, Memorial Sloan-Kettering Cancer Center, New York, New York, United States of America, 8 Radiation Oncology, Faculty of Memorial Sloan-Kettering Cancer Center at Rockville Centre, Rockville Centre, New York, United States of America Abstract Dose distributions of 192Ir HDR brachytherapy in phantoms simulating water, bone, lung tissue, water-lung and bone-lung interfaces using the Monte Carlo codes EGS4, FLUKA and MCNP4C are reported. Experiments were designed to gather point dose measurements to verify the Monte Carlo results using Gafchromic film, radiophotoluminescent glass dosimeter, solid water, bone, and lung phantom. The results for radial dose functions and anisotropy functions in solid water phantom were consistent with previously reported data (Williamson an