2869 entries curated across talks and posters.
Poster
Poster Program
Exhibit Hall | Poster Lounge
Jul 19 · 15:15
Optimization of Iodine-125 Production for Prostate Brachytherapy Considering Iodine-126 Contamination and Irradiation Time
The simultaneous production of iodine-125 (¹²⁵I) and iodine-126 (¹²⁶I) during neutron irradiation directly impacts radionuclidic purity and clinical applicability of brachytherapy seeds. This study evaluated the dependence of ¹²⁵...
Ilca Marli Moitinho Amaral Medeiros, PhD
Therapy Physics
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Poster
Poster Program
Exhibit Hall | Poster Lounge
Jul 19 · 15:15
Optimization of Patient-Specific QA Metrics for Detecting Spinal Cord Dmax delivery Deviations In Spine Stereotactic Body Radiotherapy
We aimed to optimize patient-specific quality assurance (PSQA) evaluation criteria using an electronic portal imaging device (EPID) and myQA SRS (IBA Dosimetry) to detect spinal cord Dmax deviations in spine stereotactic body rad...
Ruiheng Fan, RT, PhD
Therapy Physics
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Poster
Poster Program
Exhibit Hall | Poster Lounge
Jul 19 · 15:15
Optimization of Scanning Speed Using a Novel Plastic Scintillation Detector to Achieve Ultrafast Beam Scanning
To assess the impact of scanning speed on beam data quality using a novel plastic scintillation detector (PSD) compared with conventional methods, with the goal of enabling ultrafast scanning.
Brett G Erickson, MS
Therapy Physics
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Poster
Poster Program
Exhibit Hall | Poster Lounge
Jul 19 · 15:15
Optimization of Scintillator Thickness for Betabox 2.0, a System for Quantitative Measurement of Radiopharmaceuticals In Single Cells.
The BetaBox 2.0 is a high sensitivity, low noise instrument that measures positron and electron emissions from radiopharmaceuticals in single cell samples. The goal of these measurements is to elucidate the biological differences...
Kyle Thomas Klein
Radiopharmaceuticals, Theranostics, and Nuclear Medicine
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Poster
Poster Program
Exhibit Hall | Poster Lounge
Jul 19 · 15:15
Optimization of the Non-Contrast CT Chest-Abdomen-Pelvis Protocol to Reduce Radiation Dose and Improve Acquisition Efficiency: Single-Pass Versus Two-Pass
The CT CAP W/O CONT protocol (Computed tomography for chest, abdomen, and pelvis without contrast) is routinely scanned in patients for assessment of systemic disease, oncologic surveillance and staging. Traditionally, this proto...
Jaclyn Brunner
Professional
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Poster
Poster Program
Exhibit Hall | Poster Lounge
Jul 19 · 15:15
Optimization of Virtual Monoenergetic Imaging In Photon-Counting CT: Material Decomposition Evaluation with Phantom and Biological Tissue.
To optimize virtual monoenergetic imaging (VMI) in spectral photon-counting CT (SPCCT) through material decomposition, aiming to improve soft-tissue contrast and image quality.
Mohammed Alzaabi
Diagnostic and Interventional Radiology Physics
0 people interested
Poster
Poster Program
Exhibit Hall | Poster Lounge
Jul 19 · 15:15
Optimized 0.35T Cine MRI with Implicit Neural Representation Reconstruction for Improved Real-Time Motion Monitoring In MR-Guided Radiotherapy
While MR-guided radiotherapy enables real-time, soft-tissue–based motion management, clinical 2D cine MRI often sacrifices spatial resolution to maintain frame rate, which can contrast oncological contrast. This study aims to opt...
Yu Gao
Therapy Physics
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Poster
Poster Program
Exhibit Hall | Poster Lounge
Jul 19 · 15:15
Optimized Pencil-Beam Scanning Enables Flash-Compatible Whole-Brain Proton Therapy at Clinical Fractionation
To systematically evaluate if optimized spot-delivery patterns in pencil-beam scanning can reach FLASH-compatible dose rates (>40Gy/s) at clinically relevant fractions of 4Gy and to identify key machine and planning parameters fo...
Isabella Colizzi
Therapy Physics
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Poster
Poster Program
Exhibit Hall | Poster Lounge
Jul 19 · 15:15
Optimized Polymer Gel Dosimetry for Kilovoltage X-Ray Irradiations and 3D Isocenter Verification
To optimize a N-Isopropylacrylamide (NIPAM)-based polymer gel dosimeter for kilovoltage x-ray irradiations, and to demonstrate its application for 3D isocenter verification.
Olivia Moluchi
Therapy Physics
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Poster
Poster Program
Exhibit Hall | Poster Lounge
Jul 19 · 15:15
Optimizing Coronary CT Angiography: Impact of Tailored Protocols on Radiation Dose, Image Quality, and Patient Eligibility
To create user-friendly, size and heart condition-specific protocols to improve coronary CT angiography (CCTA) image quality, reduce dose, and expand eligibility to patients with contraindications due to heart activity.
Emi Ai Eastman, MS
Diagnostic and Interventional Radiology Physics
0 people interested
Poster
Poster Program
Exhibit Hall | Poster Lounge
Jul 19 · 15:15
Optimizing Esophageal Cancer Radiotherapy Using Delineation with Residual Dynamic Transformer-Nnu-Net: A Comparative Study
This study proposed the residual dynamic transformer-nnU-Net (RDT-nnU-Net) for automated delineation of esophageal cancer and adjacent organs at risk (OARs) in radiotherapy, aiming to improve accuracy, coverage, and adaptability...
Xin Yang
Therapy Physics
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Poster
Poster Program
Exhibit Hall | Poster Lounge
Jul 19 · 15:15
Optimizing Proton Flash In Tangential Breast Chest Wall Radiotherapy
Post-mastectomy chest-wall (CW) irradiation is well suited for proton FLASH due to the predominance of normal tissue within the target and the feasibility of single-energy tangential transmission beam (TB) delivery. This study in...
Ahmal Jawad Zafar, PhD
Therapy Physics
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Poster
Poster Program
Exhibit Hall | Poster Lounge
Jul 19 · 15:15
Optimizing Radiopharmaceutical Dosage: A DNA Damage-Based Framework to Maximize Tumor Control and Minimize Normal Tissue Damage
We introduce a framework to optimize administered radioligand activity by calculating DNA lethal lesions (LLs), balancing maximal tumor control with minimal normal tissue damage.
Shahin Ghaseminejad
Radiopharmaceuticals, Theranostics, and Nuclear Medicine
0 people interested
Poster
Poster Program
Exhibit Hall | Poster Lounge
Jul 19 · 15:15
Optimizing Rapid Diffusion Kurtosis Imaging Sequences for Clinical Translation In Radiation Oncology
To optimize diffusion-kurtosis imaging (DKI) MRI acquisitions for improved time efficiency while preserving quantitative data fidelity, enabling the future integration of DKI into cancer-care workflows for RT treatment planning a...
Marek Obajtek, BSc
Diagnostic and Interventional Radiology Physics
0 people interested
Poster
Poster Program
Exhibit Hall | Poster Lounge
Jul 19 · 15:15
Optimizing Ridge Filter Design: Delivering Effective Bragg Peak Flash Proton Beam Therapy
To assess how ridge filter (RF) and range shifter (RS) composition, along with pin spacing, shape, and lattice arrangement, influence in-field dose rates, dose uniformity, and field penumbra widths during ultra-high dose rate pro...
Christopher Mayhew
Therapy Physics
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Poster
Poster Program
Exhibit Hall | Poster Lounge
Jul 19 · 15:15
Optimizing Safe and Efficient Lung Biopsy Trajectories Using Voxel-Based Straight-Line Path Planning
To develop and evaluate a voxel-based straight-line trajectory planning framework for CT-guided lung biopsy that enables safe and efficient pre-procedural identification of needle paths while minimizing risk to organs at risk (OA...
Jiongli Pan, MS
Diagnostic and Interventional Radiology Physics
0 people interested
Poster
Poster Program
Exhibit Hall | Poster Lounge
Jul 19 · 15:15
Optimizing Spot Weight and Scanning Path for Enhanced Proton Flash Therapy Delivery
FLASH radiotherapy (FLASH-RT) has emerged as a promising technique that delivers radiation at ultra-high dose rates (UHDR), which significantly spares normal tissues while still effectively controlling tumors, referred to as the...
Jiangjun Ma
Therapy Physics
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Poster
Poster Program
Exhibit Hall | Poster Lounge
Jul 19 · 15:15
Optimizing the Wall Thickness of a Rexolite Beam Pipe Towards a Proof of Concept Dielectric Wall Accelerator
To investigate the optimal wall thickness for a Rexolite beam pipe for a proof-of-concept dielectric wall accelerator (DWA). In a DWA, protons are accelerated by a virtual traveling wave, created by switching electric fields alon...
Verdi Vanreusel, PhD
Therapy Physics
0 people interested
Poster
Poster Program
Exhibit Hall | Poster Lounge
Jul 19 · 15:15
Optimizing X-Ray Beam Quality for Low-Dose Upright Cone-Beam Breast CT Using Advanced Image Reconstruction Algorithm
To determine the optimal X-ray beam quality by varying the copper (Cu) filter thickness for upright, cone-beam breast CT (CBBCT) to achieve a mean glandular dose (MGD) of approximately 4.5 mGy that is suitable for breast cancer s...
Srinivasan Vedantham, PhD
Diagnostic and Interventional Radiology Physics
0 people interested
Poster
Poster Program
Exhibit Hall | Poster Lounge
Jul 19 · 15:15
Organs-at-Risk Sparing Using Midline Mlc Travel Limits for VMAT on Varian Ethos
Limiting jaw position across midline is a common inverse-planning strategy to minimize dose to normal tissue and improve conformality when treating irregular targets. However, jawless linacs lack an analogous, planner-controlled...
Ashlyn Rickard
Therapy Physics
0 people interested
Poster
Poster Program
Exhibit Hall | Poster Lounge
Jul 19 · 15:15
Orientation‑Dependent Performance of a Microsilicon Detector In Small‑Field Dosimetry
Accurate small‑field dosimetry is strongly influenced by detector volume averaging, density effects, and perturbations. Solid‑state detectors such as microSilicon and microdiamond are widely used due to minimal correction require...
Meisong Ding, PhD
Professional
0 people interested
Poster
Poster Program
Exhibit Hall | Poster Lounge
Jul 19 · 15:15
Osld and Micro-Diamond Performance Under Ultra-High Dose Rate Flash Radiation Therapy
To evaluate the uses of beryllium oxide optically stimulated luminescent dosimeters (OSLDs) and solid-state micro-diamond detectors as viable dosimetry tools for ultra-high dose rate electron FLASH treatments.
Seth Wilcox
Therapy Physics
0 people interested
Poster
Poster Program
Exhibit Hall | Poster Lounge
Jul 19 · 15:15
Overcoming Computational Bottlenecks In Large-Scale Medical Image Segmentation Using Optimized U-Net
Training nnU-Net models for medical image segmentation with large patient samples is computationally expensive, limiting iteration speed in research and clinical translation. We present an optimized training workflow that signifi...
Yirong Xu
Therapy Physics
0 people interested
Poster
Poster Program
Exhibit Hall | Poster Lounge
Jul 19 · 15:15
Padr-Net: Phase-Aware Dual-Branch 4DCT-4DCBCT Deformable Registration for Lung Cancer Radiotherapy
Conventional 3D CT-CBCT registration is typically performed independently at a single respiratory phase, limiting the ability to characterize 4D respiratory motion and temporal continuity between planning and treatment. This work...
ZiXin Li, MS Student
Therapy Physics
0 people interested