First experimental measurements of 2D microdosimetry maps in proton therapy

Empirical data in proton therapy indicate that relative biological effectiveness (RBE) is not constant, and it is directly related to the linear energy transfer (LET). The experimental assessment of LET with high resolution would be a powerful tool for minimizing the LET hot spots in intensity-modul...

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Detalhes bibliográficos
Autores: Guardiola Salmerón, Consuelo, Bachiller-Perea, Diana, Kole, Emmanuel M Mate, Fleta, Celeste, Quirion, David, De Marzi, Ludovic, Gómez, Faustino
Formato: artículo
Estado:Versión publicada
Fecha de publicación:2023
País:España
Recursos:Consejo Superior de Investigaciones Científicas (CSIC)
Repositorio:DIGITAL.CSIC. Repositorio Institucional del CSIC
OAI Identifier:oai:digital.csic.es:10261/351342
Acesso em linha:http://hdl.handle.net/10261/351342
https://api.elsevier.com/content/abstract/scopus_id/85138314766
Access Level:acceso abierto
Palavra-chave:Monte Carlo simulations
microdosimetry
proton therapy
radiation sensors
silicon 3D-microdetectors
Descrição
Resumo:Empirical data in proton therapy indicate that relative biological effectiveness (RBE) is not constant, and it is directly related to the linear energy transfer (LET). The experimental assessment of LET with high resolution would be a powerful tool for minimizing the LET hot spots in intensity-modulated proton therapy, RBE- or LET-guided evaluation and optimization to achieve biologically optimized proton plans, verifying the theoretical predictions of variable proton RBE models, and so on. This could impact clinical outcomes by reducing toxicities in organs at risk.