ESTRO 2025 - Abstract Book

S2632

Physics - Detectors, dose measurement and phantoms

ESTRO 2025

Conclusion: The measurement of small fields by scintillators is a suitable option due to their small dimensions. Positioning the detector is critical when measuring small fields.

Keywords: Scintillation , Small Fields, Output Factor

References:

[1] Jacqmin DJ, Miller JR, Barraclough BA, LabbyZE. Commissioning an Exradin W2 plastic scintillation detector for clinical use in small radiation fields. J Appl Clin Med Phys. 2022 Aug;23(8):e13728.doi:10.1002/acm2.13728.Epub2022Jul21.PMID:35861648; PMCID:PMC9359019. [2] Mamballikalam G, Senthilkumar S, Jayadevan PM, et al. Evaluation of dosimetric parameters of small fields of 6 MV flattening filter free photon beam measured using various detectors against Monte Carlo simulation. Journal of Radiotherapy in Practice. 2021;20(3):332-339. doi:10.1017/S1460396920000114

3469

Digital Poster Accurate modelling of spinal metallic implants in protontherapy

Juan María Pérez Moreno, Fernando Cerrón Campoo, Juan Antonio Vera Sánchez, Juan Castro Novais, Isabel Lorenzo Villanueva, Elisabet Canals de las Casas, Ana de Pablo González, Marta Montero Feijoo, Mireia Valero Perena, Stephanie Bolle, Alejandro Mazal Radiation Therapy, Quirónsalud Protontherapy Center, Pozuelo de Alarcón (Madrid), Spain Purpose/Objective: To establish a protocol for the geometric definition and contouring of metallic implants in TPS and to assess dose calculation accuracy in the vicinity of the implant.