ESTRO 2025 - Abstract Book

S3158

Physics - Inter-fraction motion management and offline adaptive radiotherapy

ESTRO 2025

Conclusion: Modifying the HU threshold of the BODY contours generated in Eclipse to the optimal value will enhance positioning using the SGRT technique with the Exactrac Dynamic device. An optimal HU threshold of -828±9HU was found.

Keywords: SGRT, Eclipse, Exactrac Dynamic

References: [1]

ExacTrac Dynamic [online] Brainlab AG. [Consultation: 22 jun 2024] <

https://www.brainlab.com/es/productos-de-radiocirugia/exactrac/ >. [2] Eclipse, Varian [online] Varian Medical Systems, Inc. [Consultation: 22 jun 2024] < https://www.varian.com/es/products/radiotherapy/treatment-planning/eclipse >.

2968

Digital Poster Optimization of BODY generated in Raystation for Surface Guided Radiotherapy positioning

Ana Reguilón Martín 1 , Rodrigo Astudillo Olalla 2 , Rosa Fabregat Borras 1 , Marina Gutiérrez Ruiz 1 , Noelia Suarez Álvarez 1 , Jorge Alonso Muriedas 3 , Javier Uzquiza López 1 , Andrea Ropero Real 1 , Jose Andrés Vázquez Rodriguez 1 , Uriel A. Corro Verde 4 , Frandeina Pinto Guevara 4 , Mara García Lamela 4 , Francisco J. Olloqui Urroz 4 , María Teresa Pacheco Baldor 1 1 Radiofísica, Hospital Universitario Marqués de Valdecilla, Santander, Spain. 2 Radiofísica y Protección Radiológica, Hospital Universitario de Navarra, Pamplona, Spain. 3 Radiofísica y Protección Radiológica, Hospital Universitario de Cruces, Baracaldo, Spain. 4 Oncología Radioterápica, Hospital Universitario Marqués de Valdecilla, Santander, Spain