2869 entries curated across talks and posters.
Poster
Poster Program
Exhibit Hall | Poster Lounge
Jul 19 · 15:15
Dual Sensitization Enables Synergistic Photodynamic Therapy and Radiotherapy for Breast Cancer
Radiotherapy (RT) and photodynamic therapy (PDT) for breast cancer are limited by tumor hypoxia and suboptimal photosensitizer performance.
Yingying Zhang, PhD
Radiopharmaceuticals, Theranostics, and Nuclear Medicine
0 people interested
Poster
Poster Program
Exhibit Hall | Poster Lounge
Jul 19 · 15:15
DVH-Consistent Patient-Specific Dose Prediction for Head-and-Neck Radiotherapy Using a Robust Multi-Input Cascaded U-Net
To develop a clinically oriented framework for patient-specific 3D dose prediction in head-and-neck radiotherapy, emphasizing DVH-consistent performance for target coverage and OAR sparing.
Pengyu Shi
Therapy Physics
0 people interested
Poster
Poster Program
Exhibit Hall | Poster Lounge
Jul 19 · 15:15
DWI-Agent: LLM-Powered Agent for Automated DWI Processing and Clinical Interpretation
Diffusion-weighted MRI (DWI) and its derived parameters, including apparent diffusion coefficient (ADC) and intravoxel incoherent motion (IVIM) metrics, are valuable for assessing tumor response to radiotherapy. However, DWI proc...
Yunxiang Li
Therapy Physics
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Poster
Poster Program
Exhibit Hall | Poster Lounge
Jul 19 · 15:15
Dynamic Blood Dose Estimates for Sarcoma and Their Correlation with Radiation-Induced Lymphocyte Killing
Radiation-induced lymphocyte killing is correlated with worse clinical outcomes in various cancers, including sarcomas. Models to simulate radiation dose delivery to circulating lymphocytes have been developed, and significant co...
Sebastian Tattenberg
Therapy Physics
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Poster
Poster Program
Exhibit Hall | Poster Lounge
Jul 19 · 15:15
Dynamic Respiratory Tracking In the Presence of Cardiac Motion for Cardioablation
To investigate internal treatment margins for targets undergoing cardiorespiratory motion with the use of dynamic tracking technology.
Steven Thomas, PhD
Therapy Physics
0 people interested
Poster
Poster Program
Exhibit Hall | Poster Lounge
Jul 19 · 15:15
Dynamic Sequencing Optimization for Synchrocyclotron-Based Proton Arc Therapy
Spot-scanning proton arc (SPArc) therapy combines the physical advantages of proton therapy with continuous arc delivery. However, most current SPArc planning approaches assume static beam delivery and do not account for the sync...
Peilin Liu
Therapy Physics
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Poster
Poster Program
Exhibit Hall | Poster Lounge
Jul 19 · 15:15
Early Dosimetric and Diagnostic Results of the Canadian Association of Radiologists' Lung Cancer Screening Program Pilot
During the implementation of the pilot of the Canadian Association of Radiologists’ (CAR) Lung cancer screening program, our healthcare system had to adapt our existing practices and protocols. Our physicists decided to investiga...
Edward J. Stafford, PhD, MS, BS
Professional
0 people interested
Poster
Poster Program
Exhibit Hall | Poster Lounge
Jul 19 · 15:15
Early Pain Relief Following Gamma Knife Radiosurgery for Trigeminal Neuralgia: Impact of Biologically Effective Dose
Evaluate our radiosurgical experience with trigeminal neuralgia treatment, with emphasis on short‑term pain relief and the influence of biologically effective dose (BED).
Shadab Momin, PhD
Therapy Physics
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Poster
Poster Program
Exhibit Hall | Poster Lounge
Jul 19 · 15:15
Early Prediction of Peg Feeding Tube Placement In Head and Neck Cancer Using Dosiomic Features: Beyond Clinical Factors
Patients with head and neck (H&N) cancer frequently require percutaneous endoscopic gastrostomy (PEG) tube placement to maintain adequate nutrition during treatment. Current PEG placement decisions are primarily based on patient-...
Tarun K. Podder, PhD
Therapy Physics
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Poster
Poster Program
Exhibit Hall | Poster Lounge
Jul 19 · 15:15
Effectiveness of Rectal Spacers In Reducing Normal Tissue Complication Probability (NTCP) In Prostate Cancer Radiotherapy
To evaluate the effectiveness of SpaceOAR in sparing the rectum by calculating the normal tissue complication probability (NTCP) from radiotherapy treatment plans for prostate cancer patients treated with and without a spacer.
Harish P Sekhar, BSc
Therapy Physics
0 people interested
Poster
Poster Program
Exhibit Hall | Poster Lounge
Jul 19 · 15:15
Effectiveness of Varian Rapidarc Dynamic for Postoperative Radiotherapy for Cervical Cancer
Postoperative radiotherapy for cervical cancer involves large target volumes, making it challenging to achieve adequate dose homogeneity while sparing organs at risk (OARs). Multi-arc volumetric modulated arc therapy (VMAT) impro...
Yuichi Akino, PhD
Therapy Physics
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Poster
Poster Program
Exhibit Hall | Poster Lounge
Jul 19 · 15:15
Effective Point of Measurement of a Thimble Ionization Chamber In Kilovoltage X-Ray Beams
To experimentally determine the effective point of measurement (EPOM) shift of an Exradin A1SL ion chamber in kilovoltage x-ray beams (40-250 kVp) using water tank measurements.
Autumn Rasmussen, MS
Therapy Physics
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Poster
Poster Program
Exhibit Hall | Poster Lounge
Jul 19 · 15:15
Effect of Data Augmentation on Classification Performance of Pleural Mesothelioma Histological Subtype on CT Scans
Accurate histological subtype classification of pleural mesothelioma (PM) from CT imaging remains challenging due to limited labeled data and substantial morphological variability. Data augmentation is a common strategy used to a...
Arina Oberoi
Diagnostic and Interventional Radiology Physics
0 people interested
Poster
Poster Program
Exhibit Hall | Poster Lounge
Jul 19 · 15:15
Effect of Different Pvdr Definitions on Dose Distribution In Photon and Proton Lattice Radiotherapy for Bulky Tumors
Spatially fractionated radiotherapy (SFRT) treats bulky tumors by creating heterogeneous dose distributions. Although both photon- and proton-based SFRT are accessible, various definitions of the peak-to-valley dose ratio (PVDR)...
Xiaoying Fan
Therapy Physics
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Poster
Poster Program
Exhibit Hall | Poster Lounge
Jul 19 · 15:15
Effect of Focal Spot Size on the Beam Output between Circular and Square Small Fields
The source size (focal spot) of a photon beam from linacs is known to have effects on the output for small-field dosimetry. This study aims to determine quantitatively the sensitivity of beam field output factors (FOF) as a funct...
George X. Ding, PhD
Therapy Physics
0 people interested
Poster
Poster Program
Exhibit Hall | Poster Lounge
Jul 19 · 15:15
Effect of Oxygen Concentration on Singlet Oxygen Signal and Treatment Outcome Measured By Multispectral Singlet Oxygen Luminescent Dosimetry (MSOLD) In Tumor-Bearing Mice
Singlet oxygen (SO) is the primary cytotoxic agent in photodynamic therapy (PDT); however, real-time measurement of SO during treatment remains challenging. The purpose of this study is to investigate the dependence of SO signal...
Baozhu Lu
Therapy Physics
0 people interested
Poster
Poster Program
Exhibit Hall | Poster Lounge
Jul 19 · 15:15
Effect of Varying Lateral Spot Size and Beam Energy Spread on Proton Therapy Treatment Plans
Proton therapy (PT) has demonstrated superior healthy tissue sparing compared to photon radiotherapy for various sites; however, PT systems are expensive, which limits global availability. The dielectric wall accelerator (DWA) is...
Chau Giang Bui
Therapy Physics
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Poster
Poster Program
Exhibit Hall | Poster Lounge
Jul 19 · 15:15
Effects on Tumor Metabolism In Repetitive MRI Measurements Using Hyperpolarized Pyruvate
To investigate the dependence of tumor metabolism on hyperpolarized (HP) pyruvate concentration, administration order, and time interval in repeated MRI measurements.
James A. Bankson
Diagnostic and Interventional Radiology Physics
0 people interested
Poster
Poster Program
Exhibit Hall | Poster Lounge
Jul 19 · 15:15
Efficacy of Gold Nanoparticles for High Dose Rate Brachytherapy: An In Vitro and in vivo Study
Gold nanoparticles (GNPs) are promising radiosensitizing agents for high dose rate brachytherapy (HDR); however, complex treatment delivery for HDR has prohibited systematic evaluation of GNP-induced radiosensitization both in vi...
Daniel David Cecchi
Therapy Physics
0 people interested
Poster
Poster Program
Exhibit Hall | Poster Lounge
Jul 19 · 15:15
Efficient High-Resolution Reconstruction for Limited-Angle Non-Coplanar CBCT Imaging In Non-Coplanar Radiation Therapy
In non-coplanar SBRT/SRS, efficient high-resolution volumetric imaging under limited-angle non-coplanar CBCT (LA-NC-CBCT) acquisition is critical for avoiding potential collisions while ensuring treatment delivery accuracy. Howev...
Lei Xing, PhD
Therapy Physics
0 people interested
Poster
Poster Program
Exhibit Hall | Poster Lounge
Jul 19 · 15:15
Efficient Validation of Photon Output Factors Using a Continuous Two-Dimensional Surface Model
To develop and validate a continuous two-dimensional output-factor (OF) model and to identify a measurement strategy that achieves accuracy and efficiency.
Brian A. Wolthuis, MS
Therapy Physics
0 people interested
Poster
Poster Program
Exhibit Hall | Poster Lounge
Jul 19 · 15:15
Electromagnetic Interference during the Installation of a New Linear Accelerator
The interaction between static magnetic fields and charged particle beams necessitates isolating linacs from the magnetic fields from MRI systems and other sources. In the absence of known sources of strong magnetic fields, it ha...
Zachary R. Grelewicz
Therapy Physics
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Poster
Poster Program
Exhibit Hall | Poster Lounge
Jul 19 · 15:15
Eliminating the Need for CT Scans In Abdominal MR-Linac Treatments: Organ-Specific Electron Density Characterization
To eliminate the need for CT scans in abdominal MR-Linac treatments by determining and tabulating organ electron densities (EDs) based on patient age and sex. Resultantly, these results promote simpler workflow, costing less time...
Emily Helen Hayes, BS
Therapy Physics
0 people interested
Poster
Poster Program
Exhibit Hall | Poster Lounge
Jul 19 · 15:15
Enabling Patient-Specific and Population-Level Insights In Radiation Oncology Via Large Language Model Agents
To develop an AI agent framework leveraging large language models (LLMs) for intelligent data extraction and reasoning over radiation oncology data from oncology information systems (OIS) and electronic medical records (EMR), ena...
Hao Jiang, PhD
Therapy Physics
0 people interested