Abstract
Introduction. Cone-beam CT (CBCT) images present an important interest in monitoring delivered dose and adapting treatment to patient anatomical changes. However, the accuracy of CBCT-based dose calculation is limited by image quality, Hounsfield unit (HU) variation and restricted field of view (FOV). A new method based on corrected CBCT images is under development in Raystation7 (Research version - RaySearch Lab). This study aims to evaluate this method of correction (CORR-M) for dosimetric evaluation on CBCT images in case of prostate, pelvis and breast modulated treatments.
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