Multicentre knowledge sharing and planning/dose audit on flattening filter free beams for SBRT lung

C. R. Hansen, J. R. Sykes, J. Barber, K. West, R. Bromley, K. Szymura, S. Fisher, J. Sim, M. Bailey, D. Chrystal, S. Deshpande, I. Franji, Tine Bjørn Nielsen, C. Brink, D. I. Thwaites

Research output: Chapter in Book/Report/Conference proceedingArticle in proceedingsResearchpeer-review

Abstract

When implementing new technology into clinical practice, there will always be a need for large knowledge gain. The aim of this study was twofold, (I) audit the treatment planning and dose delivery of Flattening Filter Free (FFF) beam technology for Stereotactic Body Radiation Therapy (SBRT) of lung tumours across a range of treatment planning systems compared to the conventional Flatting Filter (FF) beams, (II) investigate how sharing knowledge between centres of different experience can improve plan quality. All vendor/treatment planning system (TPS) combinations investigated were able to produce acceptable treatment plans and the dose accuracy was clinically acceptable for all plans. By sharing knowledge between the different centres, the minor protocol violations (MPV) could be significantly reduced, from an average of 1.9 MPV per plan to 0.6 after such sharing of treatment planning knowledge. In particular, for the centres with less SBRT and/or volumetric- modulated arc therapy (VMAT) experience the MPV average per plan improved. All vendor/TPS combinations were also able to successfully deliver the FF and FFF SBRT VMAT plans. The plan quality and dose accuracy were found to be clinically acceptable.

Original languageEnglish
Title of host publicationProceedings of the 8th International Conference on 3D Radiation Dosimetry
PublisherIOP Publishing
Publication date2015
Pages1-4
DOIs
Publication statusPublished - 2015
Event8th International Conference on 3D Radiation Dosimetry - Ystad Saltsjöbad, Sweden
Duration: 4. Sept 20147. Sept 2014

Conference

Conference8th International Conference on 3D Radiation Dosimetry
Country/TerritorySweden
CityYstad Saltsjöbad
Period04/09/201407/09/2014
SeriesJournal of Physics: Conference Series (Online)
Volume573
ISSN1742-6588

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