2869 entries curated across talks and posters.
Poster
Poster Program
Exhibit Hall | Poster Lounge
Jul 19 · 15:15
Interactive Personalized AI for Physician-In-the-Loop 3D Tumor Segmentation on CT
To develop and evaluate a personalized physician-in-the-loop (PPitL) AI framework for accurate and efficient CT tumor segmentation through iterative clinician feedback.
Nourhan Bayasi, PhD
Diagnostic and Interventional Radiology Physics
0 people interested
Poster
Poster Program
Exhibit Hall | Poster Lounge
Jul 19 · 15:15
Inter-Fractional Spatiotemporal Dosiomics Improves the Prediction of Local Progression for Patients with Small Cell Lung Cancer
To propose and validate a novel dosimetric method integrating inter-fractional temporal dose changes for improved SCLC prognosis management and individualized decision-making.
Dawei Liang
Therapy Physics
0 people interested
Poster
Poster Program
Exhibit Hall | Poster Lounge
Jul 19 · 15:15
Inter-Institutional Quantification of Spectral Results with First-Generation Clinical Photon-Counting CT
Photon-counting CT (PCCT) incorporates detector technology that supports quantitative imaging in routine diagnostic evaluation by reducing scanner- and patient-specific effects, thereby enabling more reliable material quantificat...
Leening P Liu, PhD
Diagnostic and Interventional Radiology Physics
0 people interested
Poster
Poster Program
Exhibit Hall | Poster Lounge
Jul 19 · 15:15
International Survey Results on Current Adaptive Radiotherapy Implementation
While adaptive radiotherapy (ART) is increasingly being adopted into clinical practice, treatment planning, delivery, dose reporting, and clinical trial QA have not yet been standardized for national clinical trials, leaving a ga...
Diana Carrasco Rojas, BS
Therapy Physics
0 people interested
Poster
Poster Program
Exhibit Hall | Poster Lounge
Jul 19 · 15:15
Interpretable Pretreatment Prediction of Adaptive Replanning Needs In Head and Neck Cancer Radiotherapy
Head and neck cancer (HNC) patients undergoing radiotherapy often necessitate replanning due to anatomical changes. However, replanning is resource-intensive and typically decided on short notice, causing workflow disruptions and...
Kayla O'Sullivan-Steben, MSc
Therapy Physics
0 people interested
Poster
Poster Program
Exhibit Hall | Poster Lounge
Jul 19 · 15:15
Intra-Field Interruption In Pencil Beam Scanning Proton Flash Radiotherapy: Dosimetric Impact and Clinical Solutions
Ultra-high-dose-rate (UHDR) proton irradiation may spare normal tissue (FLASH effect), but PBS proton dose rate is limited by machine constraints (minimum MU/spot and dwell time). Intra-field interruptions can leave sub-threshold...
Shouyi Wei
Therapy Physics
0 people interested
Poster
Poster Program
Exhibit Hall | Poster Lounge
Jul 19 · 15:15
Intra-Fractional Respiratory Motion-Synchronized Internal Deformation Vector Field Estimation
To advance sparse-information constrained respiratory modeling toward an information-augmentation driven paradigm by incorporating data augmentation, multimodality guidance, prior-informed representation, and improved optimizatio...
Gongsen Zhang, PhD
Therapy Physics
0 people interested
Poster
Poster Program
Exhibit Hall | Poster Lounge
Jul 19 · 15:15
Intraoperative Cs-131 Brachytherapy for Recurrent Brain Neoplasms: Initial Experience and Dosimetric Outcomes
Re-irradiation of brain neoplasms remains a significant clinical challenge. Resection without adjuvant re-irradiation is associated with a high local failure rate, whereas re-irradiation alone may improve local control but is ass...
Mindy H. Joo, PhD, MS
Therapy Physics
0 people interested
Poster
Poster Program
Exhibit Hall | Poster Lounge
Jul 19 · 15:15
Introducing a New Spot-Scanning Proton Arc Optimization Algorithm with a Variable Tolerance Window to Improve Plan Quality for Bilateral Breast Cancer
This study aims to introduce a new SPArc algorithm with a variable tolerance window (SPArc-variable) to further improve plan quality for patients receiving bilateral breast and regional nodal irradiation, by allowing extra energy...
Xiaoda Cong
Therapy Physics
0 people interested
Poster
Poster Program
Exhibit Hall | Poster Lounge
Jul 19 · 15:15
Introducing the Joint Aapm/Iroc Houston Ionization Chamber Registry to Host TG-51 Reference Dosimetry Data
To provide AAPM members with a centralized, authoritative, and continuously updated web-based resource for obtaining beam quality conversion factors, kQ, and other data needed to realize absorbed dose measurements using the AAPM...
Bryan R. Muir, PhD
Therapy Physics
0 people interested
Poster
Poster Program
Exhibit Hall | Poster Lounge
Jul 19 · 15:15
Introduction of a Pixel-Specific Model Observer to Accommodate Spatially Complex Clinical Devices As Test Objects
Existing spatial domain implementations of Hotelling observers used to assess imaging system performance provide a single SNR figure of merit associated with a symmetric test object. The purpose of this work was to develop and va...
Kenneth A. Fetterly, PhD
Diagnostic and Interventional Radiology Physics
0 people interested
Poster
Poster Program
Exhibit Hall | Poster Lounge
Jul 19 · 15:15
Investigating a Novel CT Density-Based Approach to Regional Lung Ventilation Mapping
Functional avoidance radiotherapy requires accurate regional lung ventilation mapping. Jacobian-based free-breathing ventilation derived from deformable image registration (DIR) of 4DCT is established but susceptible to inaccurac...
Ryan Andosca
Therapy Physics
0 people interested
Poster
Poster Program
Exhibit Hall | Poster Lounge
Jul 19 · 15:15
Investigating Dose Sensitivity to Landmark Error and Clinical Workflow Practices Following Lung SBRT.
Stereotactic Body Radiation Therapy (SBRT) of the lung can cause large deformations which make accurate dose accumulation for retreatment challenging. This study investigates the effect of different deformable image registration...
Rebecca N. Mahon, PhD
Therapy Physics
1 person interested
Poster
Poster Program
Exhibit Hall | Poster Lounge
Jul 19 · 15:15
Investigating Influential Factors of SRS Brain Phantom Delivery Accuracy Using Machine Learning
The IROC SRS brain phantom provides independent end-to-end tests for clinical trial credentialing; utilizing this unique dataset characterized by heterogeneous community practices, we aimed to evaluate the utility of machine lear...
Lian Duan
Therapy Physics
0 people interested
Poster
Poster Program
Exhibit Hall | Poster Lounge
Jul 19 · 15:15
Investigating Intra-Tumoral Heterogeneity Driven By Nutrient Dynamics and Radiotherapy Using an In-Silico Avascular Tumor Growth Model
To develop an in-silico tumor model that incorporates nutrient-driven growth and radiotherapy response to generate spatio-temporal proliferating (P), quiescent (Q), and necrotic (N) cell maps for radiomics-based heterogeneity ana...
Runhe Tan
Therapy Physics
0 people interested
Poster
Poster Program
Exhibit Hall | Poster Lounge
Jul 19 · 15:15
Investigating Physics-Based Standardization of Radiomics from Normal and Fibrotic Lung Regions across CT Reconstruction Kernels and Radiation Doses
To investigate whether physics-based radiomics standardization can increase agreement in radiomics extracted from radiologist-annotated regions of diffuse lung disease (DLD) phenotypes across CT reconstruction kernels and radiati...
Spencer H. Welland, MS
Diagnostic and Interventional Radiology Physics
0 people interested
Poster
Poster Program
Exhibit Hall | Poster Lounge
Jul 19 · 15:15
Investigating Suitability of Different In-House Phantom Materials for Quantification of Transrectal Ultrasound Needle Fidelity for HDR Interstitial Brachytherapy
To investigate the suitability of three different materials as background media for use with in-house phantoms for HDR interstitial brachytherapy. In-house phantoms are designed to supplement commercial phantom capabilities and e...
Zachary C Jackson
Therapy Physics
0 people interested
Poster
Poster Program
Exhibit Hall | Poster Lounge
Jul 19 · 15:15
Investigating Systematic Errors In Model-Based Dose Calculation Algorithms Using the TG‑186 Generic Applicator
Commercial model-based dose calculation algorithms (MBDCAs) show promise for advancing intensity-modulated brachytherapy (IMBT). However, transitioning from the TG‑43 protocol to MBDCAs requires benchmark studies against referenc...
Moeen Meftahi
Therapy Physics
0 people interested
Poster
Poster Program
Exhibit Hall | Poster Lounge
Jul 19 · 15:15
Investigating the Effect of Osteopathic Manipulative Treatment on Brain Microstructure In Individuals with Primary Headaches
Primary headache (PH) disorders are diverse, but many patients continue to suffer because the underlying causes remain unclear. Diffusion MRI is sensitive to micro-structural brain changes and may therefore serve as an objective...
Adil Bashir, PhD
Diagnostic and Interventional Radiology Physics
0 people interested
Poster
Poster Program
Exhibit Hall | Poster Lounge
Jul 19 · 15:15
Investigating the Induction of the Flash Effect By Ultra-High Dose Rate (UHDR) Electron Beams through Differential Gene Expression In a Plant Species
To investigate whether ultra-high dose rate (UHDR) electron beams induce a FLASH effect, quantified through differential gene expression in the plant species Arabidopsis thaliana.
Kendall Jarvis, BS
Therapy Physics
0 people interested
Poster
Poster Program
Exhibit Hall | Poster Lounge
Jul 19 · 15:15
Investigating the Potential Ability of AI to Recognize Patient Ethnicity In Mammograms
To determine if Artificial Intelligence (AI) deep learning models can infer patient ethnicity from screening mammograms, and to identify the image features enabling this inference.
Rasika Rajapakshe, PhD
Diagnostic and Interventional Radiology Physics
0 people interested
Poster
Poster Program
Exhibit Hall | Poster Lounge
Jul 19 · 15:15
Investigating the Repeatability and Reproducibility of MRI-Based Porosity Assessment of Mandibular Bone
Radiation-induced toxicities have become more prevalent with increasing incidence of human papillomavirus-associated oropharyngeal cancer. Osteoradionecrosis (ORN) is a severe toxicity defined by decay of bone, commonly the mandi...
Natalie A West
Therapy Physics
0 people interested
Poster
Poster Program
Exhibit Hall | Poster Lounge
Jul 19 · 15:15
Investigating Whether the Addition of Advanced Quantitative MRI Improves Prediction Accuracy of MS White Matter Lesion Evolution Compared to Conventional MRI In a 3D U-Net
Previously, we showed equivalent success in predicting multiple sclerosis (MS) white matter lesion evolution over two years using separate 3D U-Nets based on either baseline conventional MRI (cMRI) or quantitative MRI (qMRI). Her...
Kaihim Wong
Diagnostic and Interventional Radiology Physics
0 people interested
Poster
Poster Program
Exhibit Hall | Poster Lounge
Jul 19 · 15:15
Investigation and Modelling of Radiation Dermatitis Related to Radiobiological Dose In Proton Therapy of Head and Neck Cancer
Radiation dermatitis (RD) is a primary acute toxicity in proton therapy for H&N cancer patients. Since skin typically resides in the distal fall-off region of the posterior or posterior oblique beams, the radiobiological dose may...
Yang Shen
Therapy Physics
0 people interested