2869 entries curated across talks and posters.
Poster
Poster Program
Exhibit Hall | Poster Lounge
Jul 19 · 15:15
Enabling Quantitative Cone-Beam CT with a Deep Learning Framework: Monte Carlo-Informed Material Decomposition for Adaptive Radiotherapy
Conventional cone-beam CT (CBCT) on linear accelerators suffers from limited soft-tissue contrast and quantitative inaccuracy, hindering its use for precision radiotherapy tasks. This study aims to develop and clinically validate...
Xin Ming
Therapy Physics
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Poster
Poster Program
Exhibit Hall | Poster Lounge
Jul 19 · 15:15
End-to-End Verification of an Open-Source Preclinical Electron Flash Treatment Planning System
Clinical translation of FLASH requires treatment planning systems (TPS) capable of accurately modeling ultra-high dose rate delivery. For FLASH configurations on clinical machines, vendor-provided phase space files are not applic...
Dixin Chen
Therapy Physics
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Poster
Poster Program
Exhibit Hall | Poster Lounge
Jul 19 · 15:15
Energy-Dependent Reproducibility of Radiomic Features across Virtual Monoenergetic Dual-Energy CT Images: A Phantom Study
Dual-energy CT (DECT) enables the generation of virtual monoenergetic images (VMI), which are increasingly used in quantitative imaging applications. This study aimed to quantify how virtual monoenergetic energy selection influen...
Shu-Ju Tu, PhD
Diagnostic and Interventional Radiology Physics
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Poster
Poster Program
Exhibit Hall | Poster Lounge
Jul 19 · 15:15
Energy Selection to Reduce Size-Dependent HU Bias In Photon Counting CT Monoenergetic Imaging of Iodine and Calcification
To quantify the energy-dependent effect of phantom size on monoenergetic HU for high-density materials relevant to contrast and calcification assessment in PCCT.
Afrouz Ataei
Diagnostic and Interventional Radiology Physics
0 people interested
Poster
Poster Program
Exhibit Hall | Poster Lounge
Jul 19 · 15:15
Enhanced 3D-GRID Radiotherapy on Helical Tomotherapy Via Personalized Geometric Optimization: A Comparative Study of IMRT and VMAT
This study aimed to develop and evaluate a personalized, geometrically optimized 3DGRID radiotherapy strategy using Helical Tomotherapy (TOMO), designed to maximize tumor ablation while preserving surrounding organs at risk (OARs...
Wu Weiwei
Therapy Physics
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Poster
Poster Program
Exhibit Hall | Poster Lounge
Jul 19 · 15:15
Enhanced Brain Structure–Function Coupling In the Frontoparietal Control Network of Chronic Tobacco Smokers
This cross-sectional study quantified structural–functional (SC-FC) coupling in chronic tobacco smokers versus non-smokers using multimodal MR imaging, testing whether smoking is associated with altered correspondence between whi...
Humberto Monsivais, PhD
Diagnostic and Interventional Radiology Physics
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Poster
Poster Program
Exhibit Hall | Poster Lounge
Jul 19 · 15:15
Enhanced K-Edge CT Using Dual-Filter Spectral Separation for High-Sensitivity Imaging of Bismuth
While CT imaging has advanced with improved machine design, further diagnostic information can be achieved by enhancing sensitivity to high-Z therapeutic agents. Current photon-counting CT (PCCT) k-edge imaging sensitivity is lim...
Jericho Daniel o'Connell
Radiopharmaceuticals, Theranostics, and Nuclear Medicine
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Poster
Poster Program
Exhibit Hall | Poster Lounge
Jul 19 · 15:15
Enhanced Lattice Radiation Therapy for Bulky Tumors:a Comparative Study between Dual–Layer and Single–Layer Mlc VMAT
This study compared the performance of the dual-layer multileaf collimator (DLM) system of the Halcyon 3.0 accelerator with the single-layer multileaf collimator (SLM) system of the TrueBeam accelerator for treating bulky tumors...
Changyou Zhong
Therapy Physics
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Poster
Poster Program
Exhibit Hall | Poster Lounge
Jul 19 · 15:15
Enhanced Normal Lung Sparing In MRI-Guided Lung SBRT: A Systematic Comparison with CT-Guided Radiotherapy
MRI-guided lung SBRT has emerged as a novel treatment modality with the potential to enhance motion management and improve normal lung sparing. This retrospective study evaluates the extent of normal lung sparing achieved by real...
Isabela Murray, BS
Therapy Physics
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Poster
Poster Program
Exhibit Hall | Poster Lounge
Jul 19 · 15:15
Enhanced Phlip (e-pHLIP) for Targeted Cytoplasmic Delivery of Polar Payloads
pH Low Insertion Peptide (pHLIP) technology is employed in clinics for targeting of tumors and delivery of imaging and therapeutic agents. Here we introduced the novel enhanced pHLIP (e-pHLIP) system for efficient cytoplasmic del...
Marissa Iraca, MSc
Radiopharmaceuticals, Theranostics, and Nuclear Medicine
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Poster
Poster Program
Exhibit Hall | Poster Lounge
Jul 19 · 15:15
Enhanced Sensitivity of Multi-Echo Resting-State fMRI on a Cognitive-Normal Aging Cohort Using a Compact Head-Only 3T Scanner
Multi-echo(ME)-fMRI improves BOLD sensitivity compared with single-echo acquisitions by increasing temporal signal-to-noise ratio (tSNR) and sampling multiple-echoes in one repetition time. ME-fMRI particularly benefits from the...
Yunhong Shu, PhD
Diagnostic and Interventional Radiology Physics
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Poster
Poster Program
Exhibit Hall | Poster Lounge
Jul 19 · 15:15
Enhanced Soft Tissue Contrast In Neonatal Brain Imaging Using Deep Silicon Photon Counting CT (dSi-PCCT): A Custom Phantom Study
To evaluate image quality in neonatal brain CT using a custom phantom designed to replicate clinically relevant skull and soft tissue attenuation, enabling assessment of contrast-to-noise ratio (CNR) for improved diagnostic confi...
Zhye Yin, PhD
Diagnostic and Interventional Radiology Physics
0 people interested
Poster
Poster Program
Exhibit Hall | Poster Lounge
Jul 19 · 15:15
Enhancing Delivery Efficiency on the Elekta Unity MR-Linac: A Dosimetric Study on Planning Parameters
One major bottleneck in MRI-guided online adaptive radiotherapy is the prolonged treatment process, particularly extended delivery times, partly due to the relatively low dose rate and high prescription doses. Efficient radiation...
Ying Zhang
Therapy Physics
0 people interested
Poster
Poster Program
Exhibit Hall | Poster Lounge
Jul 19 · 15:15
Enhancing Direct VMAT Plan Generation for Cervical Cancer Via 3D Dose-Domain Supervision
Volumetric modulated arc therapy (VMAT) planning is complex and time-consuming. This study proposes a direct VMAT plan generation method for cervical cancer, enhanced by a physics-guided 3D dose-domain supervision strategy to ens...
Yongbao Li, PhD
Therapy Physics
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Poster
Poster Program
Exhibit Hall | Poster Lounge
Jul 19 · 15:15
Enhancing HDR Prostate Brachytherapy Deep Learning Needle Reconstruction with Live Ultrasound-Assisted Instance Detection
We previously developed an automatic catheter reconstruction model (CorneliUS) that achieves approximately 93% needle detection efficiency in post‑implant 3D ultrasound images for prostate HDR brachytherapy. The remaining undetec...
Mathieu Goulet, PhD
Therapy Physics
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Poster
Poster Program
Exhibit Hall | Poster Lounge
Jul 19 · 15:15
Enhancing Non-Small-Cell Lung Cancer Patients’ Urgent Care Visit Prediction after Combined Modality Therapy with Patient-Reported Outcome and Wearable Sensor Data
Previous studies in predicting the risk of urgent care visits for non-small-cell lung cancer (NSCLC) patients receiving combined modality therapy (CMT) have generally focused on pre-treatment risk factors. Our study aimed to deve...
Yi Luo
Diagnostic and Interventional Radiology Physics
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Poster
Poster Program
Exhibit Hall | Poster Lounge
Jul 19 · 15:15
Enhancing Radiation Oncology Physics Chart Review through Automation and Data Validation
The medical physics chart check process is a critical safety step in radiation therapy, serving as one of the final validations of a patient’s treatment plan prior to delivery. Despite its importance, studies have shown that a si...
Syed Bilal Ahmad, PhD
Therapy Physics
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Poster
Poster Program
Exhibit Hall | Poster Lounge
Jul 19 · 15:15
Enhancing SABR Workflow Efficiency with Automated VMAT Planning: Operational Impact of Tpas for Liver and Spine Sarb Treatments
Stereotactic Ablative Radiotherapy (SABR) requires highly complex treatment planning, often consuming many hours of manual effort. The Treatment Planning Automation System (TPAS) was developed to improve efficiency and reduce pla...
Fred Cao, PhD
Therapy Physics
0 people interested
Poster
Poster Program
Exhibit Hall | Poster Lounge
Jul 19 · 15:15
Enhancing the Cherenkov Light Image Quality Using Fluorescent Dye for Radiation Therapy
To study the feasibility of enhancing the Cherenkov light (CL) image of a high-energy photon beam by an opaque cloth containing fluorescent dye.
Gopishankar Natanasabapathi, PhD
Therapy Physics
0 people interested
Poster
Poster Program
Exhibit Hall | Poster Lounge
Jul 19 · 15:15
Ensemble Model-Driven Disease Recurrence Prediction for NSCLC Patients Treated with SBRT
Early prediction of distant recurrence in early-stage non-small cell lung cancer (NSCLC) patients may assist clinical decision making. Recent studies demonstrated hardly any benefit while adding systemic therapy to SBRT, and iden...
Tarun K. Podder, PhD
Therapy Physics
0 people interested
Poster
Poster Program
Exhibit Hall | Poster Lounge
Jul 19 · 15:15
Equivalence of Single-Energy 120kVp and Dual-Energy 120kVp-like Virtual Monochromatic CT Images In Treatment Planning Applications
To establish the equivalence of dual-energy 120kVp-like virtual monochromatic images (VMIs) to 120kVp standard single-energy CT images in terms of electron density, image quality, and as applied to clinically representative exter...
Jude Frie
Therapy Physics
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Poster
Poster Program
Exhibit Hall | Poster Lounge
Jul 19 · 15:15
Equivalent Dose Calculation Using Simulated Rbe for Alpha Particles from an Alpha Dart Source (224Ra)
Calculation of the equivalent dose in Diffusing alpha-emitters Radiation Therapy (Alpha DaRT) depends strongly on the spatial dose distribution and the radiobiological impact of emitted alpha particles [1-3]. Current practice in...
Ali Asghar Mowlavi, PhD
Therapy Physics
0 people interested
Poster
Poster Program
Exhibit Hall | Poster Lounge
Jul 19 · 15:15
Error Prevention Via Improved Integration of the Bravos HDR and the Aria Oncology Information System
HDR brachytherapy procedures are usually time constrained with planning and safety checks performed immediately preceding delivery, often intraoperatively. Additionally, planning systems can be integrated with oncology informatio...
Gil'ad N Cohen, MPH
Therapy Physics
0 people interested
Poster
Poster Program
Exhibit Hall | Poster Lounge
Jul 19 · 15:15
Establishing Quantitative Diagnostic Standards for Endometriosis Using Menstrual Blood
To determine a metabolite profile in menstrual blood that indicates endometriosis. This profile is used to establish quantitative diagnostic standards for endometriosis by analysing the metabolite profiles of 1H NMR spectra of me...
Frosinni Piperias
Diagnostic and Interventional Radiology Physics
0 people interested