Monte carlo study on 6 MV photon beams of a CyberKnife® stereotactic radiosurgery system

Xiaoqing DONG; Wenyun LUO; Kun YUE; Chuanshan WANG; Shiqing ZHOU; Fuxing PAN; Enmin WANG; Chaozhuang WANG

doi:10.13538/j.1001-8042/nst.21.16-19

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Monte carlo study on 6 MV photon beams of a CyberKnife® stereotactic radiosurgery system

LOW ENERGY ACCELERATORS AND RADIATION APPLICATIONS | Updated：2021-01-29

- Monte carlo study on 6 MV photon beams of a CyberKnife® stereotactic radiosurgery system
- Nuclear Science and Techniques Vol. 21, Issue 1, (2010)
- Affiliations：
  
  1.Shanghai Applied Radiation Institute, Shanghai University, Shanghai 200444, China
  2.Cyberknife center, Hua Shan Hospital Affiliated to School of Medicine, Fu Dan University, Shanghai 201206, China
- Author bio：
  
  Corresponding author. E-mail address: wyluo@shu.edu.cn
- Funds：
- DOI：10.13538/j.1001-8042/nst.21.16-19
  CLC：
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Xiaoqing DONG, Wenyun LUO, Kun YUE, et al. Monte carlo study on 6 MV photon beams of a CyberKnife® stereotactic radiosurgery system. [J]. Nuclear Science and Techniques 21(1):16-19(2010)
DOI：

Xiaoqing DONG, Wenyun LUO, Kun YUE, et al. Monte carlo study on 6 MV photon beams of a CyberKnife® stereotactic radiosurgery system. [J]. Nuclear Science and Techniques 21(1):16-19(2010) DOI： 10.13538/j.1001-8042/nst.21.16-19.

摘要

Abstract

In this paper, the beam quality and percent depth dose curves for different field sizes of CyberKnife® system were investigated by Monte Carlo simulations using the PENELOPE code, which has been used to simulate 6 MV photon beam. In water phantom, the absolute doses were calculated for ,Φ,10–60 mm collimators, and percent depth dose curves were evaluated for ,Φ,30–60 mm collimators. The agreement of dose distributions of the calculation with measurement was within 3.0%. The mean energy of photon spectrum was 1.46 MeV, and the beam quality index was 0.632, which was slightly smaller than that of measurement.

关键词

Keywords

Monte CarloPENELOPECyberKnifeBeam qualityPercent depth dose

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