Search Submissions 🔎

Results for "contributing factors": 7 found

A Causal Machine Learning Analysis of Dosimetric and Clinical Predictors of Osteoradionecrosis in Head and Neck Cancer Radiotherapy

Authors: Jingyuan Chen, Sheng Li, Tianming Liu, Wei Liu, Zhengliang Liu, Zhong Liu, Daniel Ma, Samir H. Patel, Guangya Wang, Yunze Yang

Affiliation: University of Miami, Mayo Clinic, School of Data Science, University of Virginia, School of Computing, University of Georgia, Department of Radiation Oncology, Mayo Clinic, Institute of Western China Economic Research, Southwestern University of Finance and Economics

Abstract Preview: Purpose:
Traditional patient outcome analyses relied heavily on conventional statistical models that primarily elucidate correlation rather than causal relationships. In this study, we aim to ident...

Impact of IMRT Beam Scatter and Electronic Noise on Real-Time Kv and Fluoroscopy Image Quality

Authors: Wei Luo, Cameron Thayer-Freeman, Yifeng Zhao

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

Abstract Preview: Purpose: Real-time Kilovoltage (kV) imaging has emerged as a powerful clinical aid, providing high-precision localization of moving targets during treatment. However, the Megavoltage (MV) treatment be...

In Vivo Measurements of Hydrated Electron Production with an Ultra-High Dose Rate (UHDR) Electron Beam

Authors: Xu Cao, Wesley S. Culberson, Aubrey Parks, Brian W Pogue, William Scott Thomas

Affiliation: Department of Medical Physics, School of Medicine and Public Health, University of Wisconsin - Madison, University of Wisconsin-Madison, University of Wisconsin - Madison, UW-Madison

Abstract Preview: Purpose:
The hydrated electron is a critical reactive species generated during the radiolysis of water when ionizing radiation interacts with biological tissues. It plays a pivotal role in mediatin...

Investigation and Machine-Learning Modeling of Dosimetric Discrepancies in Eclipse-Calculated Head and Neck Treatment Plans

Authors: Andres Portocarrero Bonifaz, Ian Schreiber

Affiliation: CARTI Cancer Center

Abstract Preview: Purpose: To explore how calculation grid resolution, along with other planning factors, affects head and neck dose calculation accuracy and contributes to potential discrepancies in the Eclipse Treatm...

Midnights become my afternoons: High Impact Contributing Factors and Problem Types in RO-ILS

Authors: Jeffrey Olsen

Affiliation: University of Colorado

Abstract Preview: N/A...

Optimization of the U-Net Model for the Radiation Dose Prediction in Lung Cancer RT Plans and Its Uncertainty Quantification

Authors: Ibtisam Almajnooni, Victor Cobilean, Milos Manic, Harindra Sandun Mavikumbure, Elisabeth Weiss, Lulin Yuan

Affiliation: Virginia Commonwealth University

Abstract Preview: Purpose: This study aims to optimize the 3D U-Net architecture for dose prediction in lung cancer radiation therapy (RT) plans, particularly in scenarios with limited clinical data, as well as to quan...

Simulation Design of a Dedicated Head Coil for Enhanced EPT Imaging to Map the Electrical Properties of Tumor Tissues

Authors: Jingyao Chen, Yingli Yang, Jie Zhang

Affiliation: Department of Radiology, Ruijin Hospital, Shanghai Ruijin Hospital, Shanghai United imaging Healthcare Advanced Technology Research Institute

Abstract Preview: Purpose: Magnetic Resonance Electrical Properties Tomography (MR EPT) is a method to spatially mapping the conductivity and permittivity based on small B1 field changes after the imaged object was int...