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Related Experiment Video

Updated: Jul 19, 2025

Dual-phase Cone-beam Computed Tomography to See, Reach, and Treat Hepatocellular Carcinoma during Drug-eluting Beads Transarterial Chemo-embolization
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[Feasibility Study of Beam Angle Optimization Based on Scripts in Automated-planning for Liver Cancer].

Han Xiao1, Yujie Zhang1, Weixing Ji1

  • 1Department of Radiotherapy, Zhongshan Hospital, Fudan University, Shanghai, 200032.

Zhongguo Yi Liao Qi Xie Za Zhi = Chinese Journal of Medical Instrumentation
|August 14, 2023
PubMed
Summary

Beam angle optimization (BAO) is feasible for automated liver cancer treatment planning. This automated approach improves plan quality, confirmed by numerical analysis and physician feedback.

Keywords:
automated planningbeam angle optimizationliver cancerplan quality metric

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Area of Science:

  • Radiation Oncology
  • Medical Physics
  • Cancer Treatment Technology

Context:

  • Automated treatment planning systems (TPS) are advancing radiotherapy.
  • Liver cancer treatment requires precise radiation delivery.
  • Beam angle optimization (BAO) is a key aspect of treatment planning.

Purpose:

  • To assess the feasibility and benefits of integrating beam angle optimization (BAO) into automated treatment planning for liver cancer.
  • To develop and evaluate an automated workflow for BAO using Pinnacle TPS.

Summary:

  • An automated beam angle sampling method was developed for liver cancer treatment planning using Pinnacle TPS.
  • An in-house plan quality metric (PQM) drove the automated sampling and scoring, supplemented by dosimetry and physician review.
  • Results indicate that automated BAO significantly benefits treatment plan quality, with 15% of PQM-evaluated superior plans being initial trials.

Impact:

  • Demonstrates the successful implementation of a fully automated BAO approach in radiotherapy planning.
  • Highlights the potential for improved treatment plan quality and efficiency in liver cancer management.
  • Provides evidence supporting the integration of automated BAO into clinical workflows.