2869 entries curated across talks and posters.
Poster
Poster Program
Exhibit Hall | Poster Lounge
Jul 19 · 15:15
Predicting Survival In Head and Neck Cancer: The Protective Role of BMI and the Impact of Evolving Soft Tissue Volumes during Radiotherapy
The nutritional status of head and neck cancer (HNC) patients receiving radiotherapy often declines due to treatment-related side effects. This study characterizes the effect of baseline body mass index (BMI) on overall survival...
Erika Jank
Therapy Physics
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Poster
Poster Program
Exhibit Hall | Poster Lounge
Jul 19 · 15:15
Predicting Synthetic CT from Ultrasound: A Cycle-Consistent Diffusion Network for Prostate High-Dose-Rate Brachytherapy
Ultrasound-guided high-dose-rate (UGHDR) brachytherapy for prostate cancer depends on real-time transrectal ultrasound (TRUS) imaging for catheter guidance. However, the limited ability of TRUS to depict critical bony anatomy, su...
Ruirui Liu
Therapy Physics
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Poster
Poster Program
Exhibit Hall | Poster Lounge
Jul 19 · 15:15
Prediction of Dysphagia after Head and Neck Re-Irradiation Using Interpretable Machine Learning Models
Re-irradiation (re-RT) is an important treatment option for recurrent head and neck cancer (HNC); however, dysphagia remains a clinically significant toxicity. Accurate prediction models are needed to identify high-risk patients...
Moyed Miften, PhD
Therapy Physics
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Poster
Poster Program
Exhibit Hall | Poster Lounge
Jul 19 · 15:15
Prediction of Lymph Node Metastasis In Rectal Adenocarcinoma Based on Multi-Sequence MRI Radiomics with Clinical Features: A Two-Center Study
To establish and validate a combined model based on multi-sequence MRI radiomics and clinical features for predicting LN metastasis in rectal adenocarcinoma patients.
Yue Gong
Therapy Physics
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Poster
Poster Program
Exhibit Hall | Poster Lounge
Jul 19 · 15:15
Prediction of Radiation Pneumonitis Using Deep Learning Applied to Dose–Function Metrics
Predicting radiation pneumonitis (RP) using machine learning is promising, particularly when functional lung heterogeneity is incorporated via dose-function histogram (DFH) and CT ventilation imaging (CTVI). However, traditional...
Yuiko Nakamura
Therapy Physics
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Poster
Poster Program
Exhibit Hall | Poster Lounge
Jul 19 · 15:15
Predictive Modelling for Radiation Pneumonitis Using Mid-Treatment Functional Information
Current clinical toxicity models for predicting radiation-induced pneumonitis are limited by lack of functional information; furthermore, current practice assumes a relative biological effectiveness (RBE) of 1.1 for proton therap...
Rebecca Lim
Therapy Physics
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Poster
Poster Program
Exhibit Hall | Poster Lounge
Jul 19 · 15:15
Predictive Smart-Spill Scheduling: Minimizing Dead Time In Synchrotron-Based Spot Scanning Via Look-Ahead Energy Management
Synchrotron-based proton spot scanning includes non-productive dead time from layer switching and spill change/reinjection. In dose-driven continuous scanning, spill changes are commonly triggered only after beam exhaustion, caus...
Jun Tan, PhD
Therapy Physics
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Poster
Poster Program
Exhibit Hall | Poster Lounge
Jul 19 · 15:15
Pre-Implantation Peri-Valve Jacobian Texture Radiomics As a Biomarker of Endobronchial Valve Treatment Success
Endobronchial Valves (EBV) are one of the few treatment options for patients with moderate to severe emphysema. Eligibility is typically assessed from CT image data analysis including Emphysema Score (Relative Area, RA950) and Fi...
Minji Victoria Kim
Diagnostic and Interventional Radiology Physics
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Poster
Poster Program
Exhibit Hall | Poster Lounge
Jul 19 · 15:15
Preliminary Age-Stratified Effective Dose for Pediatric Chest Radiography Using the American College of Radiology Dose Index Registry Data
Diagnostic medical physicists are often tasked with estimating effective dose (ED) for patient imaging procedures. As chest radiography is frequently performed in children, it is useful to know the general magnitudes of ED for va...
Prabesh Gyawali, PhD
Diagnostic and Interventional Radiology Physics
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Poster
Poster Program
Exhibit Hall | Poster Lounge
Jul 19 · 15:15
Preliminary Evidence of Natural-Respiration Breath Hold (NRBH) Superior to Deep-Inspiration Breath Hold (DIBH) for Radiotherapy of Abdominal Cancer
To determine whether natural-respiration breath hold (NRBH) should be used to freeze organ motion rather than deep-inspiration breath hold (DIBH) in abdominal cancer treatments, as NRBH should be more reproducible, retaining orga...
Yilin Liu, PhD
Therapy Physics
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Poster
Poster Program
Exhibit Hall | Poster Lounge
Jul 19 · 15:15
Preliminary Investigation of Clinical CT Workflow Elements
To investigate the different elements of the CT imaging workflow. Specifically, seeking opportunities to quantify workflow elements to then evaluate clinical and operational improvement efforts.
Sara Delgado
Diagnostic and Interventional Radiology Physics
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Poster
Poster Program
Exhibit Hall | Poster Lounge
Jul 19 · 15:15
Preliminary Monte Carlo Benchmarking of the First U.S. Carbon TPS: Range, Voxel-Wise Differences, and Microdosimetry
To present preliminary validation results for the first carbon treatment planning system (TPS) in the United States and to benchmark its GPU Monte Carlo dose engine using depth-resolved dose and microdosimetric metrics.
Keith M. Furutani, PhD
Therapy Physics
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Poster
Poster Program
Exhibit Hall | Poster Lounge
Jul 19 · 15:15
Preliminary Study of Radiomics Feature Stability with HyperSightTM CBCT Imaging for SBRT Treatments
To evaluate the stability of radiomic features extracted from HyperSightTM CBCT imaging in stereotactic body radiation therapy (SBRT) treatments.
Jiankui Yuan, PhD
Therapy Physics
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Poster
Poster Program
Exhibit Hall | Poster Lounge
Jul 19 · 15:15
Pre-Measurement Epid Image Prediction for IMRT Quality Assurance
Electronic portal imaging devices (EPID) are widely used clinically for patient-specific quality assurance (QA). Anticipating potential failures can help prioritize measurements to assess the need for plan revision and avoid down...
Xiuxiu He, PhD
Therapy Physics
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Poster
Poster Program
Exhibit Hall | Poster Lounge
Jul 19 · 15:15
Presenting Clinical Outcome Modeling of 3D MLC-Based SFRT Treatments for Large and Unresectable Tumors
This study models clinical outcomes of SFRT treatments delivered using the 3D MLC-based Crossfire technique.
Joshua Misa, MS, BS
Therapy Physics
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Poster
Poster Program
Exhibit Hall | Poster Lounge
Jul 19 · 15:15
Pretreatment Radiation Esophagitis Prediction Using Quantum Machine Learning In Esophageal Cancer Patients
To introduce a hybrid quantum-classical machine learning (QML) approach and validate its feasibility and accuracy for pretreatment radiation esophagitis (RE) prediction in patients with esophageal cancer (EC) undergoing radiother...
Xiance Jin, PhD
Therapy Physics
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Poster
Poster Program
Exhibit Hall | Poster Lounge
Jul 19 · 15:15
Pre‑Treatment Ultrasound for Bladder Volume Verification In Prostate Radiotherapy: Effects on Workflow and Dosimetric Endpoints
Consistent bladder filling is a critical determinant of dosimetric accuracy and organ-at-risk (OAR) sparing in prostate radiotherapy (RT). This retrospective study evaluates whether the implementation of a dedicated ultrasound (U...
Siamak P. Nejad-Davarani
Therapy Physics
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Poster
Poster Program
Exhibit Hall | Poster Lounge
Jul 19 · 15:15
Preventing Cyberattacks in Radiation Oncology: Three Actionable Steps and What the FDA Already Requires of Your Vendors
While AAPM Working Group Report 438 provides essential guidance for business continuity planning after a cyberattack, preventing attacks remains the highest priority. Medical physicists need practical, immediately implementable p...
Mike Kijewski
Therapy Physics
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Poster
Poster Program
Exhibit Hall | Poster Lounge
Jul 19 · 15:15
Privacy-Preserving, Locally Hosted LLM Agent for Autonomous Radiotherapy Treatment Planning
Radiotherapy planning is time-intensive, iterative, and operator dependent. AI automates planning but is not transparent, and cloud-based models threaten privacy. We developed and evaluated SAGE (Secure Agent for Generative dose...
Humza Nusrat, PhD, BS
Therapy Physics
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Poster
Poster Program
Exhibit Hall | Poster Lounge
Jul 19 · 15:15
Probabilistic Quality Assurance of Biopsy DVH Dose Thresholds In HDR Prostate Brachytherapy Using Monte Carlo Localization Uncertainty
To perform cohort-level probabilistic quality assurance of biopsy dose thresholds in HDR prostate brachytherapy under a fixed localization-uncertainty model and relate robustness to nominal distance from threshold.
Matthew Jonathan Muscat, MS
Therapy Physics
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Poster
Poster Program
Exhibit Hall | Poster Lounge
Jul 19 · 15:15
Production and Optimization of Yttrium-90 Citrate Via Neutron Activation for Radiosynovectomy
Radiosynovectomy (RSV) is a minimally invasive therapeutic option for the treatment of chronic synovitis, with yttrium-90 (⁹⁰Y) being particularly suitable for large joints such as the knee. In Brazil, national production of ther...
Ana Catarina Souza Silva Koka, MSc
Therapy Physics
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Poster
Poster Program
Exhibit Hall | Poster Lounge
Jul 19 · 15:15
Prognosis Based on Early Loss of Muscle and Fat In Patients with Pancreatic Ductal Adenocarcinoma (PDAC) Treated with Chemotherapy +/- Radiotherapy
Early body composition (BC) loss after chemotherapy associates with poor outcomes in PDAC, but its implications for treatment strategy remain unclear. Radiotherapy (RT) is sometimes considered after 6 months of chemotherapy for p...
Yeseul Kim, MS
Therapy Physics
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Poster
Poster Program
Exhibit Hall | Poster Lounge
Jul 19 · 15:15
Prognostic Value of Clinical and FDG-PET/CT-Derived Parameters for Overall Survival In Oligometastatic Non–Small Cell Lung Cancer Patients
Prognostic stratification of patients with oligometastatic (1–5 metastases) non–small cell lung cancer (omNSCLC) remains a challenging yet important task. This study evaluates the prognostic value of clinical and FDG-PET-derived...
Maksym Fritsak
Therapy Physics
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Poster
Poster Program
Exhibit Hall | Poster Lounge
Jul 19 · 15:15
Progression-Free Survival Prediction Using Computed Tomography Foundation Models In Stereotactic Ablative Radiotherapy–Treated Oligometastatic Renal Cell Carcinoma
Stereotactic ablative radiotherapy (SAbR) has demonstrated efficacy in controlling oligometastatic renal cell carcinoma (omRCC) with safely delayed systemic therapy. However, a subset of patients has limited benefit from SAbR, wh...
Bowen Jing, PhD
Therapy Physics
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