2869 entries curated across talks and posters.
Poster
Poster Program
Exhibit Hall | Poster Lounge
Jul 19 · 15:15
Towards LLM-Based Generalized Automated Treatment Planning for Locally Advanced Rectal Cancer
The escalating global burden of cancer necessitates reliable and broadly generalizable automated treatment planning (ATP) systems. Current data-driven ATP approaches often exhibit insufficient generalization when applied to diver...
Jiacheng Liu
Therapy Physics
0 people interested
Poster
Poster Program
Exhibit Hall | Poster Lounge
Jul 19 · 15:15
Towards More Environmentally Sustainable Medical Imaging Physics: Survey-Based Insight and Resource Gaps
To survey current clinical practice, assess priorities, and identify resource gaps related to environmental sustainability in medical imaging physics.
Megan E. Lipford, PhD
Professional
0 people interested
Poster
Poster Program
Exhibit Hall | Poster Lounge
Jul 19 · 15:15
Towards MRI In Ultrasound-Guided High-Dose-Rate Prostate Brachytherapy: Mental Fusion Vs Deformable Image Registration
While transrectal ultrasound (TRUS) is the primary modality for guidance and planning in high-dose-rate prostate brachytherapy (HDR-BT), magnetic resonance imaging (MRI) is required for identifying and targeting the dominant intr...
Nathan James Orlando, PhD
Therapy Physics
0 people interested
Poster
Poster Program
Exhibit Hall | Poster Lounge
Jul 19 · 15:15
Towards Registration-Free PET-CT Enhancement Via Resolution-Aware Latent Diffusion
While PET-CT imaging holds promise for simulation-free radiotherapy workflows, its inherent image resolution limits its use for accurate tumor and organ-at-risk (OAR) contouring. This study aims to enhance the spatial resolution...
Yike Guo
Therapy Physics
0 people interested
Poster
Poster Program
Exhibit Hall | Poster Lounge
Jul 19 · 15:15
Toxicity Prediction In Prostate Radiotherapy Using Multimodal Features with 3D Mednext and Large Language Models
Accurate prediction of radiotherapy toxicity requires integrating heterogeneous data, including 3D dose distributions, patient anatomy, and unstructured clinical text. We developed a multimodal pipeline that couples deep learning...
Byongsu Choi, PhD
Therapy Physics
0 people interested
Poster
Poster Program
Exhibit Hall | Poster Lounge
Jul 19 · 15:15
Tracking Lung Tumor Regression during Radiotherapy Using 5DCT-Driven Motion-Compensated CBCT
Standard Cone-Beam CT (CBCT) has limited utility in longitudinal lung tumor response assessment due to the presence of motion artifacts. Our proposed method of motion-compensated Simultaneous Algebraic Reconstruction Technique (m...
Ryan Andosca
Therapy Physics
0 people interested
Poster
Poster Program
Exhibit Hall | Poster Lounge
Jul 19 · 15:15
Training-Free Deformable Image Registration Using Unsupervised Multi-Teacher Distillation
Deformable image registration (DIR) in medical imaging remains inherently ill-conditioned due to structural ambiguities and weak anatomical constraints. Although foundation models (FMs) have shown strong promise for unsupervised...
Praveenbalaji Rajendran, PhD
Therapy Physics
0 people interested
Poster
Poster Program
Exhibit Hall | Poster Lounge
Jul 19 · 15:15
Transformer-Based Multi-Channel Target Decomposition for Markerless Lung Tumor Tracking
This study proposes a transformer-based deep learning framework for markerless lung tumor tracking that improves localization accuracy, robustness, and computational efficiency of real-time intrafraction motion management for sea...
Jiening Zhu
Therapy Physics
0 people interested
Poster
Poster Program
Exhibit Hall | Poster Lounge
Jul 19 · 15:15
Transit Dosimetry for VMAT Online Adaptive Radiotherapy with Monte Carlo-Generated Prediction Images
To develop a Monte Carlo (MC)-based approach for generating transit dosimetry prediction images for volumetric modulated arc therapy (VMAT) online adaptive radiotherapy (OART) on a ring gantry linac featuring an advanced cone bea...
Patricia A. K. Oliver, PhD
Therapy Physics
0 people interested
Poster
Poster Program
Exhibit Hall | Poster Lounge
Jul 19 · 15:15
Translating Clinical Trial Results into Routine Practice: A Systematic Review of Reproducibility, Reporting, and Transparency In High-Impact Radiation Oncology Trials
Phase II and III clinical trials establish standards of care in radiation oncology; however, achieving equivalent clinical outcomes in routine practice depends on the reproducible implementation of trial protocols. We systematica...
Sarah Quirk, PhD
Clinical Trials Specialty Program
0 people interested
Poster
Poster Program
Exhibit Hall | Poster Lounge
Jul 19 · 15:15
Treatment Interrupted Trajectory Log Analysis Via Fully Automated Interpolation of the Treatment Planning System’s Plan Parameters
Interrupted patient treatments that are split into multiple partially delivered trajectory log files for a given field may be most susceptible to Linac delivery errors. The AAPM TG-100 recommends independent QA checks to prevent...
Chris Johnstone, PhD, MS
Therapy Physics
0 people interested
Poster
Poster Program
Exhibit Hall | Poster Lounge
Jul 19 · 15:15
Treatment Planning and Optimization for Internal Boron Neutron Capture Therapy for Glioblastoma
To develop and evaluate a treatment planning and optimization framework for internal boron neutron capture therapy (internal BNCT) using a miniaturized neutron tube for the treatment of glioblastoma, and to quantify its dosimetri...
Jisu Park
Therapy Physics
0 people interested
Poster
Poster Program
Exhibit Hall | Poster Lounge
Jul 19 · 15:15
Treatment Plan Quality Comparison between Zap-Axon Optimizer and Leksell Gamma Knife Lightning Optimizer for Large Single Brain Metastasis
Stereotactic radiosurgery (SRS) plan optimization requires balancing high-quality dosimetry and treatment efficiency. This study compares treatment plan quality between the recently launched Zap-Axon optimizer and the Leksell Gam...
Yongsook C. Lee, PhD
Therapy Physics
0 people interested
Poster
Poster Program
Exhibit Hall | Poster Lounge
Jul 19 · 15:15
Truebeam Hypersight Hounsfield Unit Accuracy for Dose Calculation
To evaluate the dosimetric accuracy of plans calculated on the Varian TrueBeam HyperSight cone beam CT (CTHS) imager upgrade compared to current fan beam simulation CT (CTSim) solutions towards online adaptive radiotherapy.
Bradford Vecchione
Therapy Physics
0 people interested
Poster
Poster Program
Exhibit Hall | Poster Lounge
Jul 19 · 15:15
Trust but Verify: Evaluating Human Modifications to Auto-Generated Rapidplan Prostate SABR Radiotherapy Plans
Knowledge-based planning tools like RapidPlan (RP) estimate dose-volume histograms (DVH) for organs-at-risk based on anatomical features and historical data. DVH estimates can then be used to guide treatment planning. However, pl...
Conor Smith
Therapy Physics
0 people interested
Poster
Poster Program
Exhibit Hall | Poster Lounge
Jul 19 · 15:15
Tumor Motion Effects on Target Definition with the 6-Second Hypersight Cone-Beam CT In Adaptive Radiotherapy
The HyperSight 6-second rapid scan has been used clinically for internal-target-volume(ITV) definition. However, limited temporal sampling may lead to ITV underestimation, particularly for irregular motion. Using a joint dynamic...
Ruizhi Zuo, PhD
Therapy Physics
0 people interested
Poster
Poster Program
Exhibit Hall | Poster Lounge
Jul 19 · 15:15
Tumor Organoids Modeling Reveals Timed Responses and Interplay of Radiotherapy and Chemotherapy In Pancreatic Cancer
Model the therapeutic effects of chemotherapy, radiotherapy, and chemoradiotherapy to study the heterogeneous responses of pancreatic cancer patient-derived tumor organoids (PDTOs).
Chayu Yang
Therapy Physics
0 people interested
Poster
Poster Program
Exhibit Hall | Poster Lounge
Jul 19 · 15:15
Two-Dimensional Scintillation Imaging Dosimetry for Validation of Pencil-Beam Proton Delivery from Two Matched Gantry-Mounted Synchrocyclotrons
Conventional methods for testing proton pencil-beams require multiple quality assurance tools that lack efficiency and spatiotemporal resolutions. Here, we used our efficient ultra-high-resolution scintillation imaging system to...
S. Murty Goddu, PhD
Therapy Physics
0 people interested
Poster
Poster Program
Exhibit Hall | Poster Lounge
Jul 19 · 15:15
Type-B Uncertainty Evaluation of Monte-Carlo Dose Calculations for a Clinical Linac
To determine the Type-B uncertainty of dose calculations using a Monte-Carlo model of a clinical linac and to quantify the contributions of different sources of uncertainty.
Marvin Apel
Therapy Physics
0 people interested
Poster
Poster Program
Exhibit Hall | Poster Lounge
Jul 19 · 15:15
Ultra Cheap 3D-Printed Electron Cutout for Elekta Linear Accelerators
To develop and characterize a lost-cost, 3D-printed, patient-specific electron cutout filled with steel ball bearings (BBs) for use with Elekta linear accelerators, and to assess current electron radiotherapy (ERT) practices and...
Harrison James Glazebrook
Therapy Physics
0 people interested
Poster
Poster Program
Exhibit Hall | Poster Lounge
Jul 19 · 15:15
Ultrasonic Measurement of Flash Dose Profiles for 13 Mev Electrons In Water
To use ultrasonic methods to measure FLASH-beam dose distributions within irradiated water, thereby to validate ultrasonic phase-shift methods for FLASH dosimetry and, ultimately, to differentiate regions where FLASH thresholds a...
Ronald E. Tosh, PhD
Therapy Physics
0 people interested
Poster
Poster Program
Exhibit Hall | Poster Lounge
Jul 19 · 15:15
Ultra-Sparse View Reconstruction of CBCT Using an Adversarial Implicit Neural Representation
In image-guided radiation therapy (IGRT), cone-beam CT (CBCT) reconstruction typically requires 300–600 projections to achieve acceptable image quality, which contributes to imaging dose and acquisition time. This study investiga...
S.a. Yoganathan
Therapy Physics
0 people interested
Poster
Poster Program
Exhibit Hall | Poster Lounge
Jul 19 · 15:15
Uncertain Boundaries, Uncertain Outcomes: Segmentation Disagreement Reveals Latent Risk In Locoregionally Advanced Nasopharyngeal Carcinoma
To evaluate the prognostic value of deep learning–derived spatial uncertainty in locoregionally advanced nasopharyngeal carcinoma (LA-NPC).
Sixue Dong, PhD
Therapy Physics
0 people interested
Poster
Poster Program
Exhibit Hall | Poster Lounge
Jul 19 · 15:15
Uncertainty-Aware Multiscale Patient- and Voxel-Level Treatment Response Forecasting for Personalized Radiotherapy Using Conformal Prediction In Advanced Non-Small Cell Lung Cancer (NSCLC)
Multiscale treatment response prediction in advanced NSCLC enables spatially informed dose painting, yet prediction point estimates alone do not convey the uncertainty required for adaptive therapy decision support. We developed...
Faisal Yaseen
Therapy Physics
0 people interested