ESTRO 2025 - Abstract Book

S3655

Physics - Quality assurance and auditing

ESTRO 2025

Conclusion: The results confirm that the iCBCT algorithm contributes to dose optimization thanks to the improvement in image quality. It achieves a 67% reduction for H&N and 93% for brain protocols while preserving registration accuracy and maintaining clinically acceptable image quality.

Keywords: iterative CBCT, dose optimization, H&N region