ArticleJournal of medical physics
Cross-modality Dosimetry Audit in Head-and-neck Radiotherapy: A Phantom-based Approach for Photon and Proton Beams.
Article in Journal of medical physics. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Not yet cited in PubMed.
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The abstract states no effect estimate the extractor could read, or names no intervention and outcome on the map, so this paper lights no cell and moves no belief. It is still indexed, cited and linked below.
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Trials whose registry record cites this paper, or whose number appears in the abstract. A trial that started after this paper was published is citing it as background, not reporting it.
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Authors and funding
5 authors.
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Abstract
Purpose: The purpose of this study was to implement and evaluate an end-to-end (E2E) test using an anthropomorphic head-and-neck (H and N) phantom across different radiotherapy modality platforms for photon and proton. Materials and Methods: The CIRS SHANE anthropomorphic phantom was used for the E2E test across multiple modalities, including Varian Clinac iX, four Varian TrueBeam systems, two Varian Halcyon systems, one Varian ETHOS system, and one ProBeam system. The volumetric modulated arc therapy plans were independently optimized for each photon machine while the intensity modulated proton therapy was planned for proton. Dosimetric measurements were taken using a 0.125 cc semiflex ionization chamber at three planning target volumes (PTVs) and one spinal cord point. Results: The Kruskal-Wallis test revealed no significant differences in dose/volume parameters across the different modalities ( Conclusions: The implementation of the E2E test using an anthropomorphic H and N phantom has proven feasible across multiple radiotherapy modalities in both photon and proton machines. This approach offers a valuable tool for center with advanced radiotherapy technologies, particularly those without a national dosimetry audit program.
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