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Image-guided radiotherapy: From prepositionning to treatment delivery.
Renaud de Crevoisier1, Caroline Lafond1, Igor Bessières2
1Radiotherapy Department, centre régional de lutte contre le cancer Eugène-Marquis, 35042 Rennes, France.
Summary
Updated French guidelines offer recommendations on image-guided radiotherapy (IGRT) to precisely target tumors by accounting for anatomical changes. This ensures accurate radiation delivery, improving treatment efficacy and patient outcomes.
Area of Science:
- Radiation Oncology
- Medical Imaging
Background:
- Image-guided radiotherapy (IGRT) aims to precisely target tumors by compensating for anatomical variations during treatment.
- Anatomical displacements and deformations necessitate adaptive strategies for accurate dose delivery.
Purpose of the Study:
- To present updated recommendations from the French Society for Oncology Radiotherapy on IGRT.
- To detail the clinical implementation, quality control, and dose implications of IGRT devices.
- To summarize adaptive radiotherapy strategies and the role of radiation technologists.
Main Methods:
- Review of existing "RecoRad™" guideline articles.
- Analysis of different IGRT devices and their clinical applications.
- Quantification of additional radiation dose from in-room imaging.
Main Results:
- Comprehensive overview of IGRT devices, clinical use, and quality control procedures.
- Quantification of the additional radiation dose associated with IGRT.
- Detailed strategies for adaptive radiotherapy and the role of radiation technologists.
Conclusions:
- IGRT is crucial for adapting radiation delivery to anatomical changes, improving treatment accuracy.
- Updated recommendations guide the practical implementation of IGRT across various tumor sites.
- Careful estimation of additional radiation dose from imaging is essential for safe IGRT practice.
