Can megavoltage computed tomography reduce proton range uncertainties in treatment plans for patients with large metal implants?

@article{Newhauser2008CanMC,
  title={Can megavoltage computed tomography reduce proton range uncertainties in treatment plans for patients with large metal implants?},
  author={Wayne Newhauser and Annelise Giebeler and Katja Langen and Dragan Mirkovic and Radhe Mohan},
  journal={Physics in medicine and biology},
  year={2008},
  volume={53 9},
  pages={2327-44}
}
Treatment planning calculations for proton therapy require an accurate knowledge of radiological path length, or range, to the distal edge of the target volume. In most cases, the range may be calculated with sufficient accuracy using kilovoltage (kV) computed tomography (CT) images. However, metal implants such as hip prostheses can cause severe streak artifacts that lead to large uncertainties in proton range. The purposes of this study were to quantify streak-related range errors and to… CONTINUE READING

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