Different styles of image-guided radiotherapy.

  title={Different styles of image-guided radiotherapy.},
  author={Marcel B van Herk},
  journal={Seminars in radiation oncology},
  volume={17 4},
To account for geometric uncertainties during radiotherapy, safety margins are applied. In many cases, these margins overlap organs at risk, thereby limiting dose escalation. The aim of image-guided radiotherapy is to improve the accuracy by imaging tumors and critical structures on the machine just before irradiation. The availability of high-quality imaging systems and automatic image registration on the machine leads to many new clinical applications, such as high-precision hypofractionated… CONTINUE READING
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