A study on correlation between 2D and 3D gamma evaluation metrics in patient-specific quality assurance for VMAT.

@article{Rajasekaran2014ASO,
  title={A study on correlation between 2D and 3D gamma evaluation metrics in patient-specific quality assurance for VMAT.},
  author={Dhanabalan Rajasekaran and P. Jeevanandam and Prabakar Sukumar and Arulpandiyan Ranganathan and Samdevakumar Johnjothi and Vivekanandan Nagarajan},
  journal={Medical dosimetry : official journal of the American Association of Medical Dosimetrists},
  year={2014},
  volume={39 4},
  pages={300-8}
}
In this study, we investigated the correlation between 2-dimensional (2D) and 3D gamma analysis using the new PTW OCTAVIUS 4D system for various parameters. For this study, we selected 150 clinically approved volumetric-modulated arc therapy (VMAT) plans of head and neck (50), thoracic (esophagus) (50), and pelvic (cervix) (50) sites. Individual verification plans were created and delivered to the OCTAVIUS 4D phantom. Measured and calculated dose distributions were compared using the 2D and 3D… CONTINUE READING
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