2869 entries curated across talks and posters.
Poster
Poster Program
Exhibit Hall | Poster Lounge
Jul 19 · 15:15
Real-Time Monitoring In Boron Neutron Capture Therapy Using LaBr₃ Scintillation Detector
To investigate the feasibility of real-time monitoring of boron neutron capture therapy (BNCT) through prompt gamma detection using a LaBr₃ scintillation detector, with the goal of enabling quantitative assessment of boron distri...
MingJie Gong
Therapy Physics
0 people interested
Poster
Poster Program
Exhibit Hall | Poster Lounge
Jul 19 · 15:15
Real-Time Monitoring of Glutathione Dynamics In Lung Cancer Cells Following Radiotherapy Using Real Thiol–Based Optical Sensing and Fluorescence Microscopy
To quantify radiation induced glutathione (GSH) dynamics in A549 lung cancer cells using a ratiometric RealThiol (RT) probe and to assess microscopy and optical sensor platforms for real-time monitoring of redox responses followi...
Rohollah Nasiri
Therapy Physics
0 people interested
Poster
Poster Program
Exhibit Hall | Poster Lounge
Jul 19 · 15:15
Real-Time x-Ray Guided Tracking of Multiple Cardiac Structures for Stereotactic Arrhythmia Radiotherapy: A Feasibility Study
Stereotactic Arrhythmia Radioablation(STAR) is a non-invasive method to treat cardiac arrhythmias by targeting aberrant cardiac tissue, however accurate dose delivery is challenging, given the proximity of the target to vital car...
Mark Gardner, PhD
Therapy Physics
0 people interested
Poster
Poster Program
Exhibit Hall | Poster Lounge
Jul 19 · 15:15
Real-World Impact of PARP Inhibitors on Progression-Free Survival In Ovarian Cancers: A Causal Heterogeneity Analysis Based on Organ Vulnerability
PARP inhibitors are standard maintenance therapy for ovarian cancer, yet how baseline organ function modifies their comparative effectiveness beyond molecular biomarkers remains unclear. Using real-world data, we estimate the cau...
Xing Zhou, Master
Therapy Physics
0 people interested
Poster
Poster Program
Exhibit Hall | Poster Lounge
Jul 19 · 15:15
Recovery of Plastic Scintillators after Radiation Damage By Ultra-High Dose Rate Protons
To quantify recovery of damaged plastic scintillators and optical fiber after exposure to ultra-high dose rate (UHDR) protons, in terms of light output and spectral signature.
Cloé Giguère, BSc
Therapy Physics
0 people interested
Poster
Poster Program
Exhibit Hall | Poster Lounge
Jul 19 · 15:15
Reduced-Order, Radiobiologically Informed Simulation Framework for Magnetic Hyperthermia–Radiation Therapy Scenario Analysis
To develop a spatially resolved, fractionation-aware radiobiological simulation framework for quantitatively evaluating radiation therapy (RT), hyperthermia–radiation therapy (HTRT), and nanoparticle-mediated magnetic hyperthermi...
Dan Heo, PhD
Therapy Physics
0 people interested
Poster
Poster Program
Exhibit Hall | Poster Lounge
Jul 19 · 15:15
Reducing Barriers to Clinical Adoption of Open-Source Radiotherapy Linac QA Tools In Resource-Limited Settings: Evaluation and Clinical Benchmarking
Open-source radiotherapy quality assurance (OSQA) tools are increasingly available and offer potential value in resource-constrained settings. However, clinical adoption remains limited by gaps in validation, standardization, and...
Dishane Chand Luximon, PhD, MS
Therapy Physics
0 people interested
Poster
Poster Program
Exhibit Hall | Poster Lounge
Jul 19 · 15:15
Reducing Cone-Beam Artifacts In Gamma Knife CBCT Images Using a Line-Arc-Line Scan Trajectory
An important component of the patient positioning and monitoring in Gamma Knife treatments, is the integrated CBCT system. However, the current circular arc scan trajectory and the geometric constraints on the CBCT system imposed...
Alexandra Alain-Beaudoin
Therapy Physics
0 people interested
Poster
Poster Program
Exhibit Hall | Poster Lounge
Jul 19 · 15:15
Reducing IMRT Delivery Times By Accelerating Segment Loading and MLC Positioning for the 1.5 T MR-linac
Intensity modulated radiotherapy (IMRT) is the current standard delivery technique on MR-linacs. IMRT deliveries cycle between radiating and moving segments, each starting with loading the segment. More complex plans usually cont...
Katrinus Keijnemans, PhD
Therapy Physics
0 people interested
Poster
Poster Program
Exhibit Hall | Poster Lounge
Jul 19 · 15:15
Reducing Variability In Truebeam Jaw Calibration through a QA Track+ Integrated Encoder Workflow
To implement a standardized, encoder‑driven TrueBeam jaw calibration workflow within QATrack+ that improves jaw‑junction dose uniformity and calibration precision. The workflow integrates EPID‑based jaw analysis, encoder‑target p...
Andrew W. Alexander, PhD
Therapy Physics
0 people interested
Poster
Poster Program
Exhibit Hall | Poster Lounge
Jul 19 · 15:15
Registration Accuracy In Dynamic CT of the Wrist Joint across Multiple CT Vendors: A Phantom Study
To evaluate the registration accuracy across acquisition and reconstruction protocols of different CT systems in 4D CT of wrist bones.
Hanne Vries, MSc
Diagnostic and Interventional Radiology Physics
0 people interested
Poster
Poster Program
Exhibit Hall | Poster Lounge
Jul 19 · 15:15
Reinforcement Learning for Automated IMRT Treatment Planning: Mathematical Optimization of the Reward Function Design
Reinforcement learning (RL) constitutes a strong candidate for AI-guided treatment planning for two distinguishing reasons: it differs from greedy algorithms by optimizing strategy over the complete history of a Markovian process...
Mingyue Chen
Therapy Physics
0 people interested
Poster
Poster Program
Exhibit Hall | Poster Lounge
Jul 19 · 15:15
Reinforcement Learning–Guided Pseudo-Label Purification for Robust Unsupervised Domain Adaptation In Medical Image Segmentation
Accurate medical image segmentation is crucial for clinical workflows such as radiotherapy planning and longitudinal disease monitoring. However, high-quality pixel/voxel annotations are costly and time-consuming to obtain, limit...
Yichao Shen
Therapy Physics
0 people interested
Poster
Poster Program
Exhibit Hall | Poster Lounge
Jul 19 · 15:15
Re‑Irradiation In Practice: Streamlining Assessment In a Regional Cancer Centre
To guide practice for Re-Irradiation (RI) assessment at a regional cancer centre in Ontario.
Jie He, PhD
Therapy Physics
0 people interested
Poster
Poster Program
Exhibit Hall | Poster Lounge
Jul 19 · 15:15
Reirradiation of Patients with Hepatocellular Carcinoma Is Associated with Decreased Liver Toxicity and Increased Survival
For a new course of liver stereotactic body radiation (reirradiation), we apply a normal tissue complication probability(NTCP) model to guide planning and estimate toxicity risk. We assessed the effectiveness of this approach in...
Seyyedeh Azar Oliaei Motlagh, PhD
Therapy Physics
0 people interested
Poster
Poster Program
Exhibit Hall | Poster Lounge
Jul 19 · 15:15
Relationship between IMRT Complexity, Monte Carlo Dose Verification, and Phantom-Based QA In SBRT Plans
To evaluate correlations among publicly accessible IMRT plan complexity metrics and their relationships with plan uncertainty, independent dose calculation, phantom-based QA, and log-file analysis.
Benedikt Rudek
Therapy Physics
0 people interested
Poster
Poster Program
Exhibit Hall | Poster Lounge
Jul 19 · 15:15
Relationship of Hypoxia and Fibrosis during Gynecologic Cancer Radiotherapy Using Quantitative R2* and Late Gadolinium Enhanced Ultrashort Echo Time MRI
To determine whether dense-fibrosis (FDense) measured with Late-Gadolinium-Enhanced-Inversion-Recovery ultrashort-echo-time (LGE-IR-UTE) MRI spatially correlates with R2* maps (a marker associated with hypoxia) in gynecologic-can...
Khadija Sheikh
Therapy Physics
0 people interested
Poster
Poster Program
Exhibit Hall | Poster Lounge
Jul 19 · 15:15
Repeatability of DCE-MRI Improves with the Constrained Reference Region Model
To compare the repeatability of quantitative dynamic contrast enhanced (DCE) MRI with the reference region model (RRM) against the conventional Tofts model and to test if it can be improved using the two-step Constrained RRM (CRR...
Zaki Ahmed
Diagnostic and Interventional Radiology Physics
0 people interested
Poster
Poster Program
Exhibit Hall | Poster Lounge
Jul 19 · 15:15
Repeatability of Ventilation In the Lung Using MR-Based Imaging
In investigating image-based lung ventilation, a fundamental question must be answered: is the measurement technique repeatable? Repeatability of ventilation imaging in PET and CT have been studied, but MRI is emerging. Crucial t...
Tessa Elizabeth Maurer
Diagnostic and Interventional Radiology Physics
0 people interested
Poster
Poster Program
Exhibit Hall | Poster Lounge
Jul 19 · 15:15
Replacing Re-Simulation CT Using Extended–Field-of-View Hypersight CBCT In Gynecologic Cancer for Offline Adaptive Radiotherapy
Gynecologic (GYN) cancer patients frequently experience significant weight loss and nodal volume changes during conventional pelvic radiotherapy, often necessitating re-simulation and potential treatment adaptation. A TrueBeam li...
Eun Young Han, PhD
Therapy Physics
0 people interested
Poster
Poster Program
Exhibit Hall | Poster Lounge
Jul 19 · 15:15
Report-Conditioned Synthetic Abdominal Tumors In CT Using Large Language Models
To determine whether tumor descriptions in routine radiology reports can be converted into controllable priors for synthetic tumor generation in CT, and whether these report-conditioned synthetic tumors improve robustness of tumo...
Xinran Li
Diagnostic and Interventional Radiology Physics
0 people interested
Poster
Poster Program
Exhibit Hall | Poster Lounge
Jul 19 · 15:15
Reporting Physics Requirements and Independent Quality Assurance Results for Credentialing Single- or Multi-Institutional Sfrt Clinical Trials for Large and Unresectable Bulky Tumors
We present the results of anthropomorphic phantoms (IROC Houston) irradiations at 2-academic institutions for independent verification of highly heterogenous dose distributions via 3D MLC-based SFRT plans for credentialling multi...
Damodar Pokhrel, PhD
Clinical Trials Specialty Program
0 people interested
Poster
Poster Program
Exhibit Hall | Poster Lounge
Jul 19 · 15:15
Reproducibility of CT Beam Width Measurements Using a Pencil Ion Chamber
Evaluate the precision of CT beam width measurements using a pencil ion-chamber.
Morgan Aire, MS
Diagnostic and Interventional Radiology Physics
0 people interested
Poster
Poster Program
Exhibit Hall | Poster Lounge
Jul 19 · 15:15
Resnet Deep Learning Convolutional Neural Networks for Halcyon Based Portal Dosimetry 2D Dose Plane Gamma Passing Rate Predictions
Developing and researching methods of implementing deep learning neural networks capable of predicting gamma passing rates from retroactive 2D dose plane images for QA procedure optimization, workflow improvements, and plan deliv...
Richard L Saenz, BSc
Therapy Physics
0 people interested