Robotic MLC-based plans: A study of plan complexity.

Journal: Medical physics
Published Date: Jan 21, 2021

Abstract

PURPOSE: The utility of complexity metrics has been assessed for IMRT and VMAT treatment plans, but this analysis has never been performed for CyberKnife (CK) plans. The purpose of this study is to perform a complexity analysis of CK MLC plans, adapting and computing complexity indices previously defined for IMRT plans. Metrics were used to compare the complexity of plans created by two optimization systems and to study correlations between plan complexity and patient-specific quality assurance (PSQA) results. Relationships between pairs of metrics were also analyzed to get insight into possible interdependencies.

Authors

  • Laura Masi
    IFCA, Department of Medical Physics and Radiation Oncology, Firenze, Italy.
  • Victor Hernandez
    Department of Medical Physics, Hospital Universitari Sant Joan de Reus, IISPV, Tarragona, 43204, Spain.
  • Jordi Saez
    Department of Radiation Oncology, Hospital Clinic de Barcelona, Barcelona, 08036, Spain.
  • Raffaela Doro
    IFCA Radiotherapy and Medical Physics Unit, Via del Pergolino, 1, 50139 Florence, Italy.
  • Lorenzo Livi
    Department of Computer Science, College of Engineering, Mathematics and Physical Sciences, University of Exeter, Exeter EX4 4QF, United Kingdom.

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