ESTRO 2024 - Abstract Book

S4868

Physics - Quality assurance and auditing

ESTRO 2024

[3] Rijken J, Schachenmayr H, Crowe S, Kairn T, Trapp J. Distributive quality assurance and delivery of stereotactic ablative radiotherapy treatments amongst beam matched

linear accelerators: A feasibility study. J Appl Clin Med Phys 2019; 20:4:99–105. https://doi.org/10.1002/acm2.12567

[4] Assessment of beam ‐ matched linacs quality/accuracy for interchanging SBRT or SRT patients using VMAT without replanning. Xu Z, Warrell G, Lee S, et al. J Appl Clin Med Phys 2019; 20:1:68–75. https://doi.org/10.1002/acm2.12492

[5] Miften M, Olch A, Mihailidis DN, et al. Tolerance limits and methodologies for IMRT measurement-based verification QA: a report of the AAPM TG 218. Med Phys. 2018;45(4): e53-e83. https://doi.org/10.1002/mp.12810

2241

Proffered Paper

National intercomparison of radiosurgery treatment planning for multiple brain metastasis

Jerome Krayenbuehl 1 , Peter Pemler 2 , David Jeller 3 , Käthy Haller 4 , Tanja Hertel 5 , Sheeba Thengumpallil 6 , Stephan Klöck 7 , Cécile Chatelain 8 , Maud Jaccard 9 , Sarah Ghandour 10 , Olivier Pisaturo 11 , Natacha Ruiz López 12 , Daniel Schmidhalter 13 , Juan Garcia 14 , Patrick Weber 15 , Francesco Pupillo 16 , Veronique Vallet 17 , Rachid Boucenna 18 , Christian Tata 19 , Martin Härtig 20 , Harald Petermann 21 , Vincent Fave 22 , Nathan Corradini 23 , Marie Fargier-Voiron 24 , Stephanie Tanadini-Lang 1 1 University Hospital Zurich, Radiation Oncology, Zurich, Switzerland. 2 Stadtspital Zürich Triemli, Radiation Oncology, Zurich, Switzerland. 3 Luzerner Kantonsspital, Radiation Oncology, Luzern, Switzerland. 4 Klinik Hirslanden, Radiation Oncology, Zurich, Switzerland. 5 Kantonsspital St.Gallen, Radiation Oncology, St.Gallen, Switzerland. 6 Hirslanden Clinique des Grangettes, Radiation Oncology, Chêne-Bougeries, Switzerland. 7 Lindenhofspital, Radiation Oncology, Bern, Switzerland. 8 Radio Onkologiezentrum Biel Seeland, Radiation Oncology, Biel, Switzerland. 9 Clinique Générale Beaulieu, Radiation Oncology, Genève, Switzerland. 10 Hôpital Riviera-Chablais, Radiation Oncology, Rennaz, Switzerland. 11 Hôpital Fribourgeois, Radiation Oncology, Fribourg, Switzerland. 12 Hôpitaux Universitaires de Genève, Radiation Oncology, Genève, Switzerland. 13 Inselspital Bern, Radiation Oncology, Bern, Switzerland. 14 Atrys Schweiz AG, Radiation Oncology, Liestal, Switzerland. 15 Réseau Hospitalier Neuchâtelois, Radiation Oncology, La Chaux-de Fonds, Switzerland. 16 Ente Ospedaliero Cantonale, Radiation Oncology, Bellinzona, Switzerland. 17 Centre Hospitalier Universitaire Vaudois, Radiation Oncology, Lausanne, Switzerland. 18 Hirslanden Clinique Bois-Cerf, Radiation Oncology, Lausanne, Switzerland. 19 Clinique de La Source, Radiation Oncology, Lausanne, Switzerland. 20 St. Claraspital AG, Radiation Oncology, Basel, Switzerland. 21 Universitätsspital Basel, Radiation Oncology, Basel, Switzerland. 22 Hôpital de La Tour, Radiation Oncology, Meyrin, Switzerland. 23 Clinica Luganese Moncucco, Radiation Oncology, Lugano, Switzerland. 24 Clinique de Genolier, Radiation Oncology, Genolier, Switzerland

Purpose/Objective: