2869 entries curated across talks and posters.
Poster
GPD-T-459
Poster Program
Exhibit Hall | Poster Lounge
Jul 19 · 15:15
An OAR Sparing Preference Prior Guided Lung RT Plan Dose Prediction Model
We developed an efficient mathematical representation of achievable Pareto optimal OAR dose sparing objectives for lung cancer RT planning. We further incorporated these preferences in a RT planning model for individualized RT do...
Lulin Yuan, PhD
Therapy Physics
0 people interested
Poster
GPD-T-353
Poster Program
Exhibit Hall | Poster Lounge
Jul 19 · 15:15
A Nomogram for Predicting the Expected Seed Count for Diffusing Alpha-Emitters Radiation Therapy (Alpha DaRT) Treatment Planning
To develop, compare, and validate a nomogram that uses tumor shape and size to predict seed density for Diffusing Alpha-emitters Radiation Therapy (Alpha DaRT) treatment planning with flexible and needle applicators.
Ruiming Chen Edmondson, PhD
Therapy Physics
0 people interested
Poster
GPD-T-352
Poster Program
Exhibit Hall | Poster Lounge
Jul 19 · 15:15
A Non-Brass-Aperture Planning Approach for Palliative Spatially Fractionated Proton Therapy on a Compact Proton System
In the Phase I clinical trial (NCT05831579), we already performed the palliative spatially fractionated (GRID) proton therapy by using a collimating brass aperture. However, the existence of this brass aperture limits the flexibi...
Xiandong Zhao, PhD
Therapy Physics
0 people interested
Poster
GPD-T-928
Poster Program
Exhibit Hall | Poster Lounge
Jul 19 · 15:15
An Open-Source Application for Monitoring Cardiorespiratory Motion with Bi-Planar Fluoroscopic Imaging
To develop an open-source application capable of retrospectively monitoring the position of radiopaque markers from bi-planar fluoroscopy images. To enable investigation of the cardiorespiratory motion of implanted cardiac leads...
Jakob Marshall, MS
Therapy Physics
0 people interested
Poster
GPD-T-75
Poster Program
Exhibit Hall | Poster Lounge
Jul 19 · 15:15
A Novel 2D Scintillation Dosimeter Using Long Scintillating Fibers
Two-dimensional dosimetry for radiotherapy quality assurance commonly relies on planar detector arrays or radiochromic film. While these methods provide high spatial resolution, they are often time-consuming, single-use, and do n...
Sajjad Ahmad Khan
Therapy Physics
0 people interested
Poster
GPD-T-681
Poster Program
Exhibit Hall | Poster Lounge
Jul 19 · 15:15
A Novel 3D-Printing Process for a Tissue-Equivalent Phantom for Single-Isocenter Multi-Target Stereotactic Radiosurgery
The aims of this project were to (1) develop and apply a process to optimize 3D-printing processes specifically for tissue-equivalent small-field dosimetry phantoms and, (2) design and test a 3D-printed phantom for single-isocent...
Benjamin J. Zwan, PhD
Therapy Physics
0 people interested
Poster
GPD-T-465
Poster Program
Exhibit Hall | Poster Lounge
Jul 19 · 15:15
A Novel Approach for Pancreatic Cancer Therapy: Cell-Membrane–Coated Radioactive Gold Nanoparticles
To establish, for the first time, a biomimetic nanobrachytherapy platform using radioactive gold nanoparticles coated with PANC-1 cell membrane m198AuNP. This study evaluates their physicochemical properties, nanoscale dose depos...
Silas Leonel Pereira Miranda, BSc
Therapy Physics
0 people interested
Poster
GPD-T-936
Poster Program
Exhibit Hall | Poster Lounge
Jul 19 · 15:15
A Novel Approach to Evaluate the Prostate Pelvis Lymph Node Setup Margin
Current techniques for assessing setup margins in prostate and PLN radiation treatments rely on manual, time-consuming workflows. A novel automated workflow approach was developed to evaluate three clinical sites with different i...
Lei Fu, MS
Therapy Physics
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Poster
GPD-D-112
Poster Program
Exhibit Hall | Poster Lounge
Jul 19 · 15:15
A Novel B1+ Mapping Method for Deuterium MRI
A novel high-resolution and bias-free deuterium MRI B1+ mapping method was developed for validating the simulation accuracy of a 7T body RF coil. The extremely low SNR of X-Nuclei causes significant problems for conventional B1+...
Andrew J. Fagan
Diagnostic and Interventional Radiology Physics
0 people interested
Poster
GPD-T-464
Poster Program
Exhibit Hall | Poster Lounge
Jul 19 · 15:15
A Novel Degrader System for Ultra-Fast Beam Delivery In Proton Therapy
Slow energy switching remains a limitation in proton therapy. This study aims to design and optimize an energy degrader system to accelerate layer-to-layer dose delivery in compact proton therapy systems, thereby improving treatm...
Justin G. Malimban
Therapy Physics
0 people interested
Poster
GPD-T-248
Poster Program
Exhibit Hall | Poster Lounge
Jul 19 · 15:15
A Novel Deliverable Workflow for Dynamic Proton Arc Treatment
Proton arc therapy (PAT) faces two key challenges: minimizing treatment delivery time and eliminating gantry rotation velocity fluctuations. To address these, this study proposes a novel workflow that enables true dynamic arc del...
Gang Liu
Therapy Physics
0 people interested
Poster
GPD-T-176
Poster Program
Exhibit Hall | Poster Lounge
Jul 19 · 15:15
A Novel In-House 3D Surface Scanning System for Collision Detection Application In Radiotherapy
A novel, low-cost 3D surface scanning system was developed using a custom modification of the laser-profiling technique. Proof of concept was demonstrated through 3D simulation in Blender 3D software. A real-world prototype was t...
Ziad H. Saleh, PhD
Therapy Physics
0 people interested
Poster
GPD-D-136
Poster Program
Exhibit Hall | Poster Lounge
Jul 19 · 15:15
A Novel Non-Metallic Radio-Opaque Photographic Image Printing Approach for Clinical Applications In Radiology and Radiotherapy
This study presents a novel non-metallic radio-opaque human photographic image printing approach developed for clinical applications in radiology and radiotherapy, with clinical implementation in patients.
Senthilkumar Shanmugam, Ph.D
Diagnostic and Interventional Radiology Physics
0 people interested
Poster
GPD-T-247
Poster Program
Exhibit Hall | Poster Lounge
Jul 19 · 15:15
A Novel Patient-Specific Gating Method to Maximize Duty Cycle In Pancreatic Tumors
The Elekta Comprehensive Motion Management (CMM) system enables real-time monitoring of tumor motion with high temporal resolution and accuracy. Using histogram analysis of tumor positional oscillations, we propose a patient-spec...
Xiaojian Chen
Therapy Physics
0 people interested
Poster
GPD-T-597
Poster Program
Exhibit Hall | Poster Lounge
Jul 19 · 15:15
A Novel Proton Therapy Treatment Planning Solution: A Transformer-Based Poisson Flow Generative Model for MR-Only Synthetic CT Generation
Precise proton therapy treatment planning relies on the synergy between the superior soft-tissue definition obtained from MRI and the accurate relative stopping power (RSP) maps derived from CT. However, standard workflows that u...
Lloyd Emmanuel Kamole Ghomsi
Therapy Physics
0 people interested
Poster
GPD-T-855
Poster Program
Exhibit Hall | Poster Lounge
Jul 19 · 15:15
A Novel Stochastic Dose Rate Predictive Model for Synchrotron-Based Pencil Beam Scanning Systems
Unexpected toxicity during proton therapy (PT) cancer treatments may be associated with the linear energy transfer (LET) or the instantaneous dose rate. However, millisecond timescale dose rate determination becomes unfeasible in...
Javier Burguete, PhD
Therapy Physics
0 people interested
Poster
GPD-T-1043
Poster Program
Exhibit Hall | Poster Lounge
Jul 19 · 15:15
A Novel Strategy for Lattice Radiotherapy: Integrating X-Ray and γ-Ray Technologies to Optimize Dose Delivery
To evaluate the dosimetric advantages of the TaiChi radiotherapy platform—an NMPA‑ and FDA‑approved system combining LINAC and Gamma Knife technologies—for lattice radiotherapy (LRT) , comparing its dose‑escalation capability and...
Zhong fei Wang
Therapy Physics
0 people interested
Poster
GPD-P-7
Poster Program
Exhibit Hall | Poster Lounge
Jul 19 · 15:15
A Novel Workload Manager System (WORMS) to Evenly Distribute Patient-Specific Clinical Tasks Among the Physics Team
A Novel system to distribute evenly and efficiently patient-specific daily, quarterly and yearly clinical workload was developed and optimized to reduce risk of burnout and create space for non-clinical activities.
Manuel R. Rodriguez, PhD
Professional
0 people interested
Poster
GPD-D-3
Poster Program
Exhibit Hall | Poster Lounge
Jul 19 · 15:15
Anti-Scatter Grid Utilization In Pediatric Diagnostic Fluoroscopy
To determine the appropriateness of using an anti-scatter grid in pediatric diagnostic fluoroscopy.
Lemise Saleh, PhD
Diagnostic and Interventional Radiology Physics
0 people interested
Poster
GPD-T-582
Poster Program
Exhibit Hall | Poster Lounge
Jul 19 · 15:15
An Ultra-Fast Dose Calculation Algorithm with Transformer Neural Networks: Model Fine-Tuning and Validation
Fast and accurate dose calculation is a key requirement for real-time adaptive radiotherapy, particularly for emerging image-guided radiation therapy systems. Monte Carlo methods and existing treatment planning system (TPS) algor...
Lauren Smart
Therapy Physics
0 people interested
Poster
GPD-T-972
Poster Program
Exhibit Hall | Poster Lounge
Jul 19 · 15:15
A One-Step Multi-Field Proton Flash Treatment Planning Method with Concurrent Optimization of Spot Weights, Range Modulator and Spot Scanning Path
FLASH radiation therapy, which utilizes FLASH effect with ultra-high-dose-rate (UHDR) radiation, has shown promising performance in achieving treatment goals with decreased risks on healthy organs of patients. However, a number o...
Zhaochen Yu
Therapy Physics
0 people interested
Poster
GPD-T-746
Poster Program
Exhibit Hall | Poster Lounge
Jul 19 · 15:15
A Path Predictive Algorithm for Metal-Artifact Reduction In Cone-Beam CT In Prostate Cases without Thresholding.
Metal artifacts caused by implanted gold fiducial markers remain a significant challenge in cone-beam CT (CBCT) imaging for prostate radiotherapy. Their high attenuation generates severe streaks and image distortions that decreas...
Sukhtej Singh
Therapy Physics
0 people interested
Poster
GPD-T-351
Poster Program
Exhibit Hall | Poster Lounge
Jul 19 · 15:15
A Patient Quality Assurance System for Intensity Modulated Proton Therapy with Automated GPU-Accelerated Log File-Based Dose Reconstruction and Analysis In Under 10 Seconds
To develop and validate a log file-based patient quality assurance (LFQA) system for intensity modulated proton therapy (IMPT) using a GPU-accelerated pencil beam algorithm for dose reconstruction, permitting rapid log file uploa...
Calin Reamy, MSc
Therapy Physics
0 people interested
Poster
GPD-D-199
Poster Program
Exhibit Hall | Poster Lounge
Jul 19 · 15:15
A Peek into the Reported Radiation Exposures Discrepancies during Y90 Procedures In the IR Suite
Y90 radioembolization often requires both fluoroscopy and CBCT to guide the complex treatment procedure. However, radiation data in the form of RDSRs and Dose Sheets are usually combined across these imaging modalities, making it...
Judy Rose James, PhD
Diagnostic and Interventional Radiology Physics
0 people interested