Dose evaluation in lung-equivalent media in high-energy photon external radiotherapy.

  title={Dose evaluation in lung-equivalent media in high-energy photon external radiotherapy.},
  author={Maria Amor Duch and Pablo Carrasco and Merc{\`e} Ginjaume and N{\'u}ria Jornet and Xavier Ortega and Mar{\'i}a Ignacia Pitarch Ribas},
  journal={Radiation protection dosimetry},
  volume={120 1-4},
In high-energy photon external radiotherapy treatment planning systems (TPSs) are used to calculate the dose to the target volume and the dose distribution around it. Commonly used TPSs include algorithms based on measurements in water and often fail in the estimate of dose in the presence of heterogeneities. In this study TL detectors were used to study the reliability of the Cadplan (Varian) TPS in the presence of low-density heterogeneities such as the lung for 6 and 18 MV photon beams at… CONTINUE READING

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