Dose spread functions in computed tomography: a Monte Carlo study.

@article{Boone2009DoseSF,
  title={Dose spread functions in computed tomography: a Monte Carlo study.},
  author={John M. Boone},
  journal={Medical physics},
  year={2009},
  volume={36 10},
  pages={4547-54}
}
PURPOSE Current CT dosimetry employing CTDI methodology has come under fire in recent years, partially in response to the increasing width of collimated x-ray fields in modern CT scanners. This study was conducted to provide a better understanding of the radiation dose distributions in CT. METHODS Monte Carlo simulations were used to evaluate radiation dose distributions along the z axis arising from CT imaging in cylindrical phantoms. Mathematical cylinders were simulated with compositions… CONTINUE READING
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