Attenuation-based estimation of patient size for the purpose of size specific dose estimation in CT. Part I. Development and validation of methods using the CT image.

@article{Wang2012AttenuationbasedEO,
  title={Attenuation-based estimation of patient size for the purpose of size specific dose estimation in CT. Part I. Development and validation of methods using the CT image.},
  author={Jia Lan Wang and Xinhui Duan and Jodie A Christner and Shuai Leng and L Yu and Cynthia H. McCollough},
  journal={Medical physics},
  year={2012},
  volume={39 11},
  pages={6764-71}
}
PURPOSE For the purpose of size-specific dose estimation, information regarding patient attenuation is required. The purpose of this work is to describe a method for measuring patient attenuation and expressing the results in terms of a water cylinder, with cross sectional area A(w), which would absorb the same average dose as the irradiated patient. The ability to calculate A(w) directly from the CT image was validated with Monte Carlo simulations and an analytical model. METHODS A series of… CONTINUE READING
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