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[A quality control program for radiotherapy in Hodgkin's disease].
C Hennequin1, C Carrié, S Hofstetter
1Service de cancérologie-radiothérapie, hôpital Saint-Louis, Paris, France.
Summary
Quality control in radiotherapy for Hodgkin's disease revealed significant deviations. A review of 161 patient files found issues with treated volumes and radiation doses, highlighting the need for ongoing quality assurance in Hodgkin's disease treatment protocols.
Area of Science:
- Radiation Oncology
- Clinical Quality Assurance
- Oncology
Background:
- Radiotherapy quality is crucial for Hodgkin's disease treatment outcomes.
- Previous studies highlight variations in radiotherapy techniques.
Purpose of the Study:
- To assess the effectiveness of a quality control program for radiotherapy technical files.
- To identify deviations in target volumes and radiation doses within the EORTC H8 protocol for Hodgkin's disease.
Main Methods:
- Implementation of a quality control program for patient technical files.
- Review of 161 technical files from the EORTC H8 protocol for supra-diaphragmatic stage I & II Hodgkin's disease.
- Analysis of deviations in treated volumes and radiation doses compared to protocol guidelines.
Main Results:
- Most target volume definitions adhered to the protocol.
- 13.6% of patients had major deviations in treated volumes.
- 39.7% of patients experienced major deviations in radiation dose.
- Deviations included issues with cervical field margins, mediastinal/hilar margins, and dose prescription interpretation.
Conclusions:
- The quality control program identified a significant number of major deviations, justifying its implementation.
- The findings support the continuation of such quality control measures in future Hodgkin's disease treatment protocols, such as the H9 protocol.