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A Review of the Metrics Used to Assess Auto-Contouring Systems in Radiotherapy
K Mackay1, D Bernstein1, B Glocker2
1The Institute of Cancer Research, London, UK; The Royal Marsden Hospital, London, UK.
Clinical Oncology (Royal College of Radiologists (Great Britain))
|February 21, 2023
Summary
Radiotherapy auto-contouring shows promise, but inconsistent assessment metrics hinder clinical adoption. This review highlights the need for standardized validation methods to ensure reliable auto-contouring systems in treatment planning.
Area of Science:
- Medical Physics
- Radiation Oncology
- Radiotherapy Treatment Planning
Background:
- Auto-contouring systems offer potential to revolutionize radiotherapy treatment planning.
- Current clinical implementation is limited by a lack of consensus on assessment and validation methodologies.
- Standardized practices are crucial for the reliable integration of auto-contouring into clinical workflows.
Conclusions:
- Current research exhibits substantial variation in assessing auto-contoured accuracy, with geometric measures lacking clear clinical utility.
- A lack of standardized methods for clinical assessment necessitates a framework for metric selection based on system implementation stages.
- Consensus on clinical implementation and validation is essential for advancing auto-contouring in radiotherapy.
