Medical physics. Practical expertise.
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ML-Based Patient-Specific Quality Assurance (PSQA)

A machine-learning decision-support tool for predicting patient-specific radiotherapy QA outcomes using treatment-planning, plan-complexity and treatment-delivery information. Coming soon.

The ML-Based Patient-Specific Quality Assurance tool is being developed to support risk-informed assessment of IMRT, VMAT, SRS and SBRT treatment plans. The platform will analyse selected treatment-plan characteristics, modulation and complexity metrics, dosimetric information and available treatment-delivery or machine-log data.

Machine-learning models will be used to estimate relevant PSQA outcomes, such as gamma passing rate, plan isocentre dose agreement and the probability of a plan requiring additional investigation. Results will be presented with model-performance information, uncertainty indicators and the contributing plan features to support transparent clinical interpretation.

The tool is intended to complement established patient-specific QA procedures by helping medical physicists prioritize measurements, identify potentially unusual plans and support research into risk-adapted QA workflows. It will not independently approve treatment plans or replace measurement-based QA, secondary dose verification, professional review or institution-specific clinical procedures.

Clinical implementation will require formal commissioning, local validation, ongoing performance monitoring and approval under the institution’s quality-management programme.

What we can provide

  • Support for IMRT, VMAT, SRS and SBRT plans
  • Treatment-plan and plan-complexity feature analysis
  • Optional treatment-delivery and machine-log features
  • Gamma passing-rate prediction
  • Plan isocentre dose-agreement prediction
  • Plan-level QA risk classification
  • Identification of unusual or out-of-distribution plans
  • Model confidence and uncertainty indicators
  • Feature-contribution and interpretability information
  • Configurable institutional QA thresholds
  • Model-performance monitoring
  • Exportable and printable PSQA assessment summary
  • Research-data export for approved studies
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