2869 entries curated across talks and posters.
Poster
GPD-T-232
Poster Program
Exhibit Hall | Poster Lounge
Jul 19 · 15:15
Development of a Four-Dimensional Dose Distribution Verification System Using a Plastic Scintillator and Semiconductor Detector Array: Evaluation of Agreement between Measured Light Distribution and Planned Dose Distribution
Our research group developed a four-dimensional (4D) dose distribution verification system consisting of a cylindrical plastic scintillator (PS) and multiple semiconductor detector array. In this study, agreement between measured...
Tomoya Takei
Therapy Physics
0 people interested
Poster
GPD-T-557
Poster Program
Exhibit Hall | Poster Lounge
Jul 19 · 15:15
Development of a Linac Vault Shielding Calculation Tool
Shielding design for medical linear accelerator (LINAC) vaults is commonly performed using spreadsheet-based implementations of NCRP Report No. 151. While effective, these approaches are limited by fixed calculation points and re...
Reddy H Ma
Therapy Physics
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Poster
GPD-T-1010
Poster Program
Exhibit Hall | Poster Lounge
Jul 19 · 15:15
Development of a Machine Learning Model for Multi-Site VMAT Dose Prediction
To develop a unified machine learning model which can predict the dose distribution for any disease site treated with VMAT. The model uses minimal inputs (CT dataset and structure contours) to rapidly output a clinically acceptab...
Casey E. Bojechko
Therapy Physics
0 people interested
Poster
GPD-T-276
Poster Program
Exhibit Hall | Poster Lounge
Jul 19 · 15:15
Development of a Methodology for Clinical in vivo Optical Dosimetry and Uncertainty Analysis
Cherenkov imaging is a technique used to observe surface dose deposition during radiation therapy. While proportional to dose, the imaged signal cannot derive absolute dose, due to the attenuation and inhomogeneity of human tissu...
Jeremy Eric Hallett
Therapy Physics
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Poster
GPD-D-62
Poster Program
Exhibit Hall | Poster Lounge
Jul 19 · 15:15
Development of a Monte Carlo–Based Framework for Real-Time Operator Dose Estimation In Interventional X-Ray Procedures
Occupational radiation exposure to operators during interventional fluoroscopic procedures remains a significant concern. Conventional personal dosimetry provides limited spatial and organ-specific dose information and does not a...
Shu-Ning Yang
Diagnostic and Interventional Radiology Physics
0 people interested
Poster
GPD-T-65
Poster Program
Exhibit Hall | Poster Lounge
Jul 19 · 15:15
Development of a Monte Carlo Based Prediction Tool for Cherenkov Emission for Breast Radiotherapy
Cherenkov imaging enables real-time visualization of radiation delivery by capturing Cherenkov emission from patient tissue at the beam location. Although this signal can be compared to the expected dose distribution, no establis...
Aubrey Parks
Therapy Physics
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Poster
GPD-T-963
Poster Program
Exhibit Hall | Poster Lounge
Jul 19 · 15:15
Development of a Multifunctional BSA-Thpc@99mTc Nanoplatform for Dual-Modal Imaging-Guided Synergistic Sonodynamic and Radiotherapy
In this study, a novel composite nanoplatform, BSA-THPC@99mTc, was engineered by encapsulating the sonosensitizer meso-tetra (hydroxyphenyl) chlorin (THPC) into bovine serum albumin (BSA) nanoparticles, followed by radiolabeling...
Liting Chen
Therapy Physics
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Poster
GPD-T-556
Poster Program
Exhibit Hall | Poster Lounge
Jul 19 · 15:15
Development of an Accurate Monte Carlo Model of an Electronic Portal Imaging Device (EPID) Toward an Improved Epid Calibration Methodology
To design and validate a Monte Carlo electronic portal imaging device (EPID) model to reduce the uncertainty in the calibration of EPIDs for in-vivo dosimetry of external beam treatments by consolidating correction factors into a...
Alexandre Louis Demelo, BSc
Therapy Physics
0 people interested
Poster
GPD-T-664
Poster Program
Exhibit Hall | Poster Lounge
Jul 19 · 15:15
Development of an AI Method for Rapid Immunohistochemical Stained Image Structure Auto-Segmentation
Manual segmentation of immunohistochemical (IHC) stained images is a time-consuming task that typically takes 1-2 workdays to segment all images needed for analysis. Deep learning-based methods were employed to create an AI model...
Najah Curtis
Therapy Physics
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Poster
GPD-T-1009
Poster Program
Exhibit Hall | Poster Lounge
Jul 19 · 15:15
Development of an Aperture Shape Displacement Score In Online Adaptive Radiation Therapy for Pancreatic Cancer
In online adaptive radiation therapy (oART), a new treatment plan is generated using three-dimensional images acquired before irradiation. However, no metric exists for evaluating the extent of day-to-day plan changes. This study...
Tomohiro Ono, PhD
Therapy Physics
0 people interested
Poster
GPD-T-742
Poster Program
Exhibit Hall | Poster Lounge
Jul 19 · 15:15
Development of an Automated TG-275 Treatment Plan Verification Tool Integrating Monaco TPS and Mosaiq OIS Data Comparison
To develop and implement an automated quality assurance application for radiation therapy treatment plan verification following AAPM TG-275 guidelines, enabling comprehensive comparison between Elekta Monaco treatment planning sy...
Sotirios Stathakis, PhD
Therapy Physics
0 people interested
Poster
GPD-T-64
Poster Program
Exhibit Hall | Poster Lounge
Jul 19 · 15:15
Development of a Novel System for Microdosimetry and Cellular Radiation Response
The overarching goal is to develop a novel system for microdosimetry integrated with cellular molecular radiation response using Monte Carlo (MC) simulations, Raman spectroscopy (RS), and radiobiological assays. MC simulations of...
Prarthana Pasricha
Therapy Physics
0 people interested
Poster
GPD-T-30
Poster Program
Exhibit Hall | Poster Lounge
Jul 19 · 15:15
Development of an Ultra Fast and Setup Robust Deep Learning Rbe Dose Engine for Carbon Ion Therapy Using a Conditional Mednext
Accurate voxel-wise RBE modeling for carbon ion radiation therapy (CIRT), such as the Mayo Clinic Florida Microdosimetric Kinetic Model (MCF-MKM), is computationally prohibitive for time-constrained clinical workflows. Monte Carl...
Jun Tan, PhD
Therapy Physics
0 people interested
Poster
GPD-T-1040
Poster Program
Exhibit Hall | Poster Lounge
Jul 19 · 15:15
Development of an Ultra-Fast and Setup-Robust Deep-Learning Rbe Dose Engine for Carbon Ion Therapy Using a Conditional Mednext Architecture
Accurate voxel-wise RBE modeling for carbon ion radiation therapy (CIRT), such as the Mayo Clinic Florida Microdosimetric Kinetic Model (MCF-MKM), is computationally prohibitive for time-constrained clinical workflows. Monte Carl...
Byongsu Choi, PhD
Therapy Physics
0 people interested
Poster
GPD-T-770
Poster Program
Exhibit Hall | Poster Lounge
Jul 19 · 15:15
Development of a Phantom-Based End-to-End QA Workflow for Online Adaptive Radiotherapy Incorporating High-Resolution 2D Detector Measurements
The development and assessment of an end-to-end quality assurance (QA) procedure for Ethos online adaptive radiotherapy (oART), integrating high-resolution detector-based dose verification with interchangeable anthropomorphic pha...
Julian Niedling
Therapy Physics
0 people interested
Poster
GPD-T-771
Poster Program
Exhibit Hall | Poster Lounge
Jul 19 · 15:15
Development of a Phantom for Quality Assurance of Deviceless 4DCT
Deviceless 4DCT (D4D) reconstruction relies on changes to patient anatomy, such as lung volume or external contour to generate a pseudo respiratory trace which is used to bin 4DCTs for use in radiotherapy planning. This poses a c...
Marie-Laure Camborde
Therapy Physics
0 people interested
Poster
GPD-T-63
Poster Program
Exhibit Hall | Poster Lounge
Jul 19 · 15:15
Development of a Prototype Intraoperative Safety Device for HDR Brachytherapy Channel Verification
Modern brachytherapy afterloaders have a capacity of up to 50 channels for complex high dose rate (HDR) treatments. For interstitial treatments, needles must be accurately matched to the correct channel on the afterloader, else t...
Andy Ogilvy, PhD
Therapy Physics
0 people interested
Poster
GPD-D-80
Poster Program
Exhibit Hall | Poster Lounge
Jul 19 · 15:15
Development of a Quantitative Contrast-to-Noise Measurement Software for Fluoroscopic Imaging
To develop an open-source universal software for benchmarking signal-to-noise ratio (SNR) and contrast-to-noise ratio (CNR) in annual fluoroscopy evaluations. This method provides an objective and reproducible measure of image qu...
Lemise Saleh, PhD
Diagnostic and Interventional Radiology Physics
0 people interested
Poster
GPD-T-716
Poster Program
Exhibit Hall | Poster Lounge
Jul 19 · 15:15
Development of a T2-Weighted MR Marker for Interstitial Gynecological Brachytherapy
Magnetic resonance (MR) imaging is increasingly used for image guidance in interstitial gynecological brachytherapy due to its superior soft-tissue contrast; however, accurate reconstruction of implanted plastic needles remains c...
Amani Shaaer, PhD
Therapy Physics
0 people interested
Poster
GPD-T-323
Poster Program
Exhibit Hall | Poster Lounge
Jul 19 · 15:15
Development of Simulation-Omitted Prostate (SO-PRO) Radiotherapy Workflow for MR-Linac
Simulation-omitted prostate SBRT (SO-PRO) has potential to reduce treatment delays and expand access to care but presents unique challenges for SBRT workflows that require careful management of target and organ-at-risk (OAR) dose...
Yesenia Gonzalez, PhD
Therapy Physics
0 people interested
Poster
GPD-T-231
Poster Program
Exhibit Hall | Poster Lounge
Jul 19 · 15:15
Developments In Deeptuning: Translational Invariance of Trade-Off Feature Extraction In Real-Time Tunable Dose Prediction Framework
DeepTuning is a deep learning–based dose prediction framework that generates multiple dose distributions with different trade-offs, analogous to multi-criteria optimization. Leveraging historical cases with varying trade-offs, De...
Pragalv Karki
Therapy Physics
0 people interested
Poster
GPD-T-1008
Poster Program
Exhibit Hall | Poster Lounge
Jul 19 · 15:15
Diagnostic CT–Based Pre-Planning and CBCT Adaptive Recalculation on a Varian Hypersight Linac Using Raystation
Palliative radiotherapy patients may present emergently and often have recent diagnostic CT (dCT) imaging suitable for treatment planning. Requiring an additional CT simulation can delay treatment and adds burden to patients for...
Byron Wilson
Therapy Physics
0 people interested
Poster
GPD-T-555
Poster Program
Exhibit Hall | Poster Lounge
Jul 19 · 15:15
Differential NTCP Modeling of Radiation-Induced Lymphopenia In Lung Cancer Patients Undergoing IMRT and IMPT
Severe radiation-induced lymphopenia (SRIL) is a detrimental prognostic factor in lung cancer. This study aimed to develop and validate normal tissue complication probability (NTCP) models for SRIL based on hematologic dose in pa...
Maojie Tang
Therapy Physics
0 people interested
Poster
GPD-T-769
Poster Program
Exhibit Hall | Poster Lounge
Jul 19 · 15:15
Diffusion Weighted MRI Measures on a Commercially Available Low-Field (0.55T), Wide-Bore MRI Simulation System Using Deep Learning Reconstruction
Commercial availability of low-field (0.55 T), wide-bore (80 cm) MRI systems offer unique opportunities for treatment planning and response assessment in radiation oncology, especially when coupled with deep learning (DL) reconst...
Ryan J. Bosca-Harasim, PhD
Therapy Physics
0 people interested