2869 entries curated across talks and posters.
Poster
Poster Program
Exhibit Hall | Poster Lounge
Jul 19 · 15:15
Cross-Regional Radiomic Consistency In Squamous Cell Carcinoma: Common PET/CT Features and Their Prognostic Value
Radiomics enables quantitative characterization of tumors from PET and CT imaging. When anatomic-region-specific cancer data are limited, transfer and semi-supervised learning can improve prediction by leveraging data from differ...
Arman Rahmim
Radiopharmaceuticals, Theranostics, and Nuclear Medicine
0 people interested
Poster
Poster Program
Exhibit Hall | Poster Lounge
Jul 19 · 15:15
Cross-Treatment Knowledge Transfer: Generalizability of a Deep Learning Autosegmentation Model Trained on External Beam Contours for Brachytherapy
To evaluate the generalizability of a deep learning (DL)-model, trained exclusively with external beam radiotherapy (EBRT) organs‑at‑risk (OARs) contours, for autocontouring in cervical cancer brachytherapy (CC-BT).
Patricia Oliva, BSc
Therapy Physics
0 people interested
Poster
Poster Program
Exhibit Hall | Poster Lounge
Jul 19 · 15:15
Cross Validation of a Conditional Generative Adversarial Network for the Classification of Pleural Mesothelioma Histological Subtype on CT Scans
This study aimed to cross validate a conditional generative adversarial network (cGAN) model for noninvasive histological subtype classification of pleural mesothelioma on computed tomography (CT) scans.
Christopher L. Valdes, MSc
Diagnostic and Interventional Radiology Physics
0 people interested
Poster
Poster Program
Exhibit Hall | Poster Lounge
Jul 19 · 15:15
CT-Based Habitat Radiomics for Quantitative Characterization of Intratumoral Heterogeneity and p40 Immunohistochemical Expression
To develop and validate a CT-based habitat radiomics approach for quantitative characterization of intratumoral heterogeneity and assessment of p40 protein expression derived from immunohistochemistry.
Luyang Zhao, MSc
Diagnostic and Interventional Radiology Physics
0 people interested
Poster
Poster Program
Exhibit Hall | Poster Lounge
Jul 19 · 15:15
CT-Based Quantitative Analysis of Lung COPD Phenotype Progression In Thoracic Reirradiation
As thoracic reirradiation becomes more common in clinical practice, the changes of underlying lung comorbidities due to multiple treatments are relatively unknown. Parametric response mapping (PRM) has shown promise as a method o...
Charles K. Matrosic, PhD
Therapy Physics
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Poster
Poster Program
Exhibit Hall | Poster Lounge
Jul 19 · 15:15
CT Image Denoising Using Patch-Based Reinforcement Learning with Frequency-Selective Actions
The patch-based network training is widely used for CT denoising due to computation memory and time constraints. However, conventional techniques are limited to learncontextual information and preserve fine structures. In this st...
Gwangsoo Han
Diagnostic and Interventional Radiology Physics
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Poster
Poster Program
Exhibit Hall | Poster Lounge
Jul 19 · 15:15
CT Number Accuracy of Virtual Monoenergetic Images In Photon-Counting CT: Implications for Iodine, Iron, and Fat Quantification
To systematically evaluate CT number accuracy on virtual monoenergetic images (VMIs) generated by a clinical photon-counting CT (PCCT) system using projection-domain multi-material modeling with a water/iodine basis.
Xinhua Li, PhD
Diagnostic and Interventional Radiology Physics
0 people interested
Poster
Poster Program
Exhibit Hall | Poster Lounge
Jul 19 · 15:15
CT Number and Geometric Measurement Consistency of Dual-Source Vs. Single-Source Spectral Imaging on a Photon-Counting CT: A Phantom Study
Dual‑source photon‑counting CT (DS‑PCCT) enables fast FLASH acquisition combined with spectral imaging—capabilities not available in single‑source PCCT (SS‑PCCT). This study evaluates whether DS‑PCCT maintains quantitative accura...
Yue Zhang, PhD
Diagnostic and Interventional Radiology Physics
0 people interested
Poster
Poster Program
Exhibit Hall | Poster Lounge
Jul 19 · 15:15
CT Simulation–Free, MRI-First Workflow for Stereotactic Radiosurgery
Studies show measurable changes in brain metastasis over 1-2 weeks, with delays between MRI and radiosurgery delivery reducing local control. We aim to minimize this gap by developing a multi-target radiosurgery workflow that eli...
Aydin Aghaie
Therapy Physics
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Poster
Poster Program
Exhibit Hall | Poster Lounge
Jul 19 · 15:15
Custom Made Skin Flap for HDR Treatment of Skin Lesions
The aim of the current study is the development of a novel custom skin flap (CSF) for HDR treatment of skin lesions, as well as, assess the usability and planning technicalities of our CSF in a clinical setup.
Georgios Kalantzis, PhD
Therapy Physics
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Poster
Poster Program
Exhibit Hall | Poster Lounge
Jul 19 · 15:15
Custom Phantoms for MRI Geometric Accuracy Quantification Using CT-Based Image Matching In Brain Stereotactic Radiosurgery
Stereotactic radiosurgery (SRS) requires submillimeter geometric accuracy and commonly relies on combined computed tomography (CT) and magnetic resonance imaging (MRI). However, MRI is susceptible to geometric distortions that in...
Mélodie Cyr, PhD
Therapy Physics
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Poster
Poster Program
Exhibit Hall | Poster Lounge
Jul 19 · 15:15
Data-Augmented Deep Learning for Anatomical Completion and Dose-Accurate MR-Only Radiotherapy Planning
In MR-only radiotherapy planning (MROP), limited field-of-view (LFOV) acquisition and imaging artifacts can introduce truncated anatomy and density inaccuracies, reducing the reliability of dose calculation and preventing compreh...
Qingying Wang
Therapy Physics
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Poster
Poster Program
Exhibit Hall | Poster Lounge
Jul 19 · 15:15
DCE-MRI–Based Quantification of Tumor Transport and Microenvironment Heterogeneity Using the Cross-Voxel Exchange Model
Tumor heterogeneity within and across tumors contributes to variable therapeutic response by altering biophysical transport barriers in the tumor microenvironment (TME). Elevated interstitial fluid pressure (IFP) and reduced hydr...
Janny Yeyoung Kim
Diagnostic and Interventional Radiology Physics
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Poster
Poster Program
Exhibit Hall | Poster Lounge
Jul 19 · 15:15
Decentralized Mutual Learning for Multi-Class Federated 3D Organ-at-Risk Segmentation
To generalize decentralized mutual learning to multi-class 3D organ-at-risk (OAR) segmentation and evaluate whether gossip-based peer-to-peer training improves federated radiotherapy auto-segmentation across heterogeneous clinica...
Wei Wei, PhD
Therapy Physics
0 people interested
Poster
Poster Program
Exhibit Hall | Poster Lounge
Jul 19 · 15:15
Deciphering Longitudinal Anatomical Representations In Brain MRI
Longitudinal brain MRI enables analysis of anatomical changes associated with aging and neurodegenerative disease, yet interpreting structural evolution over time remains challenging due to subtle changes such as inter-subject he...
Ridvan Yesiloglu
Diagnostic and Interventional Radiology Physics
0 people interested
Poster
Poster Program
Exhibit Hall | Poster Lounge
Jul 19 · 15:15
Decision Support for Adapt-on-Demand Adaptive Radiotherapy for Head and Neck Cancer
To quantitatively benchmark dosimetric variation associated with tumor regression during head and neck (HN) radiotherapy and to evaluate the benefit of adaptive replanning as a basis for adapt-on-demand decision support.
Eana Han
Therapy Physics
0 people interested
Poster
Poster Program
Exhibit Hall | Poster Lounge
Jul 19 · 15:15
Deconstructing Myocardial Heterogeneity through Ultrasound Backscatter Physics and Deep Topological Learning
Hypertensive heart disease in Africa progresses as a silent epidemic of myocardial fibrosis, undetectable by conventional echocardiography until irreversible failure. This study hypothesized that early fibrosis manifests as a per...
Williams F.B Igoniye, MS
Diagnostic and Interventional Radiology Physics
0 people interested
Poster
Poster Program
Exhibit Hall | Poster Lounge
Jul 19 · 15:15
Deep Feature-Driven SVM Modeling for Arc-Level Quality Assurance In Prostate Radiotherapy
The aim of this work is to predict the arc level gamma passing rate (GPR) values for IMRT, VMAT, and FSRT plans at the prostate site using machine learning-based models using the SVM algorithm.
Subodh Dahal, MS
Therapy Physics
0 people interested
Poster
Poster Program
Exhibit Hall | Poster Lounge
Jul 19 · 15:15
Deep Learning-Based 4D Dual-Energy CBCT Generation for Material Decomposition
To propose a deep-learning approach for predicting high from low-energy 4D-CBCT.
Dawei Liang
Therapy Physics
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Poster
Poster Program
Exhibit Hall | Poster Lounge
Jul 19 · 15:15
Deep Learning-Based Auto-Segmentation of Spinal Cord and Thecal Sac In Stereotactic Body Radiotherapy for Spinal Metastases
Stereotactic body radiotherapy (SBRT) for spinal metastases requires accurate delineation of the spinal cord and thecal sac to maximize treatment efficacy while minimizing toxicity. Deep learning-based segmentation models improve...
Syoma Ide
Therapy Physics
0 people interested
Poster
Poster Program
Exhibit Hall | Poster Lounge
Jul 19 · 15:15
Deep Learning–Based Classification of Thyroid Nodules Using Bimodal Ultrasound Imaging
Thyroid nodules, characterized by abnormal cell growth within the thyroid gland, pose a significant diagnostic challenge, particularly when distinguishing between benign and malignant nodules. Accurate differentiation is crucial...
Masiel Velarde, BSc
Diagnostic and Interventional Radiology Physics
0 people interested
Poster
Poster Program
Exhibit Hall | Poster Lounge
Jul 19 · 15:15
Deep Learning-Based Detection of Neonatal Intracranial Hemorrhage Using Cranial Ultrasound
Intracranial hemorrhage in premature infants is a frequent and clinically significant finding, with cranial ultrasound serving as the first-line imaging modality. Interpretation can be challenging due to subtle and variable imagi...
Charles Mike Weaver, PhD, MS
Diagnostic and Interventional Radiology Physics
0 people interested
Poster
Poster Program
Exhibit Hall | Poster Lounge
Jul 19 · 15:15
Deep Learning-Based Estimation of Minimal Editing Margins for Online Adaptive MR-Linac Prostate SIB
Online adaptive prostate SIB treatment on the Unity MR-Linac is challenged by the limited robustness of deformable image registration (DIR)-based contour propagation. This study investigates the use of a deep learning (DL) dose p...
Hao-Wen Cheng
Therapy Physics
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Poster
Poster Program
Exhibit Hall | Poster Lounge
Jul 19 · 15:15
Deep Learning-Based LS-SCLC Patient Selection for the New First-Line Treatment Using High-Dose Hyperfractionated SIB Radiotherapy
To develop risk-stratification and prognosis-prediction models for limited-stage small cell lung cancer (LS-SCLC) patients, suggesting potential candidates that may benefit from the new treatment protocol using high-dose hyperfra...
Yibao Zhang
Clinical Trials Specialty Program
0 people interested