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Results for "safety margins": 6 found

An OAR Margin Recipe Based on Clinical Data and Including Radio-Sensitivity Variation

Authors: Carlo Greco, Joep Stroom, Sandra Vieira

Affiliation: Champalimaud Center for the Unknown

Abstract Preview: Purpose: RTP safety margins are generally based on geometrical uncertainties alone and not directly on clinical outcome. Here we use clinical dose-constraint data to generate dosimetric margins for OA...

Clinical Feasibility of a Deep-Learning-Based Auto Contouring through Qualitative and Dosimetric Assessments

Authors: Sara Endo, Takeshi Fujisawa, Hidehiro Hojo, Masaki Nakamura, Hidenobu Tachibana

Affiliation: Department of Radiation Oncology, National Cancer Center Hospital East, Radiation Safety and Quality Assurance Division, National Cancer Center Hospital East

Abstract Preview: Purpose: To assess the clinical feasibility of deep learning (DL)-based automated contouring through qualitative and quantitative assessments.

Methods: Sixty cases were chosen, including 3 OARs...

Development and Clinical Validation of Hyperarc Stereotactic Radiosurgery Method for Intraocular Tumors

Authors: Chase Cochran, Damodar Pokhrel, William St Clair

Affiliation: University of Kentucky, Department of Radiation Medicine, University of Kentucky, Radiation Medicine

Abstract Preview: Purpose: Currently, intraocular disease is primarily treated via COMS-plaques brachytherapy. Various stereotactic approaches via photons/proton beam have also been implemented (CyberKnife/GammaKnife/p...

Evaluating Normal Tissue Toxicity Following Pulsed Low Dose Rate Radiotherapy

Authors: Shahabeddin mostafanazhad Aslmarand, Lili Chen, Dusica Cvetkovic, Troy A. Dos Santos, Chang Ming Charlie Ma, Dae-Myoung Yang

Affiliation: Fox Chase Cancer Center

Abstract Preview: Purpose:
Pulsed low-dose-rate radiotherapy (PLDR) has been proposed to reduce normal tissue toxicity while maintaining tumor control comparable to conventional radiotherapy (CRT). This study assess...

Evaluation of Phosphorus-32 Source Uniformity Using Python Algorithm and Monte Carlo Simulation

Authors: Ana Laura Burin, Ilca Marli Moitinho Amaral Medeiros, Priscila Santos Rodrigues, Maria Elisa Chuery Martins Rostelato, Sabrina Spigaroli Sgrignoli, Ana Catarina Koka de Souza Silva, Carla Daruich Souza, Cristhian Ferreira Talacimon, Lara El Hajj Teodoro, Carlos Alberto Zeituni

Affiliation: IPEN - USP, IPEN - Instituto de Pesquisas Energรฉticas e Nucleares

Abstract Preview: Purpose: The uniform distribution of phosphorus-32 (32P) in beta sources is essential to ensure the accuracy of radiotherapy treatments, such as those for paravertebral cancer. This study evaluated th...

Monte Carloโ€Based Shielding and Safety Assessment of a 7 Mev Flash Electron Beam Facility

Authors: Rafael Carballeira, David J. Gladstone, Philippe Liger, Rongxiao Zhang

Affiliation: TheryQ, Dartmouth College, University of Missouri, Thayer School of Engineering, Dartmouth College

Abstract Preview: Purpose: To model a FLASH electron beam system (FLASHLAB) via first principle Monte Carlo methods, navigating installation configurations, shielding and regulatory radiation safety considerations for ...