2869 entries curated across talks and posters.
Poster
GPD-T-217
Poster Program
Exhibit Hall | Poster Lounge
Jul 19 · 15:15
Geometric Feature Extraction and Spatial Relationship Analysis of the Hrctv Relative to Organs at Risk In Cervical Cancer Brachytherapy with Intracavitary and Intracavitary–Interstitial Applicators
There is little objective data to guide clinician decisions regarding use of intracavitary (IC) versus combined intracavitary–interstitial (IC/IS) applicators during cervical cancer brachytherapy. Data from retroEMBRACE indicate...
Dima Soultan, MS
Therapy Physics
0 people interested
Poster
GPD-T-706
Poster Program
Exhibit Hall | Poster Lounge
Jul 19 · 15:15
Geometric Rectification of 6DoF Cbcts: Streamlining Dose Calculation In Commercial TPS
Commercial treatment planning systems (TPS), such as Varian Eclipse, cannot perform dose calculations on CBCTs acquired with 6DoF couch corrections. This limitation prevents direct dosimetric re-evaluation of verification scans....
Ren-Dih Sheu, PhD
Therapy Physics
0 people interested
Poster
GPD-T-27
Poster Program
Exhibit Hall | Poster Lounge
Jul 19 · 15:15
Geometry-Aware Automated Correction of Brachytherapy Needle Trajectories In 3D Transrectal Ultrasound
Accurate localization of brachytherapy needles in transrectal ultrasound (TRUS) is essential for high-quality treatment planning, yet remains challenging due to speckle noise, needle shadowing, and variable image quality. This wo...
Joel B. Beaudry
Therapy Physics
1 person interested
Poster
GPD-T-736
Poster Program
Exhibit Hall | Poster Lounge
Jul 19 · 15:15
Geometry-Based Lattice Positioning for Improved Sfrt Planning In Maas-Sfrthelper
To extend MAAS-SFRThelper with geometry-based lattice positioning tools, completing an integrated workflow from sphere generation, positioning, and VMAT optimization, to dose evaluation for SFRT planning.
Matthew C. Schmidt, PhD
Therapy Physics
0 people interested
Poster
GPD-T-384
Poster Program
Exhibit Hall | Poster Lounge
Jul 19 · 15:15
Gold Nanoparticle Targeting with Linear and Cyclic RGD Peptides for Radiotherapy Enhancement
Gold nanoparticles (GNPs) are candidate cancer cell radiosensitizers, they can be targeted with peptides containing the αvβ3 integrin binding domain RGD (arginine, glycine, aspartic acid). This integrin is overexpressed in many c...
Kieren E O'Neil
Therapy Physics
0 people interested
Poster
GPD-T-310
Poster Program
Exhibit Hall | Poster Lounge
Jul 19 · 15:15
GPU-Accelerated Optical Simulation of Cherenkov Emission Under Different Beam Conditions
Cherenkov imaging is a promising technique for visualizing and quantifying surface dose in radiation therapy. However, the absolute relationship between surface dose and emitted Cherenkov photons remains uncertain and varies with...
Timothy C. Zhu, PhD
Therapy Physics
0 people interested
Poster
GPD-T-267
Poster Program
Exhibit Hall | Poster Lounge
Jul 19 · 15:15
Gradience-Boosted Automatic Robust Dose-Mimicking for Proton Therapy
Dose-mimicking aims to generate treatment plans based on a reference dose distribution. The importance of dose-mimicking has grown substantially due to the increasing demand for rapid plan adaptation in adaptive radiotherapy—part...
Shouping Xu, PhD, MS
Therapy Physics
0 people interested
Poster
GPD-T-26
Poster Program
Exhibit Hall | Poster Lounge
Jul 19 · 15:15
Gradient Nonlinearity-Corrected 4D MRI for Abdominal Motion Quantification on a 1.5T MR-Linac
Motion-resolved 4D MRI is essential for assessing abdominal tumor and organ motion, but gradient nonlinearity (GNL) causes geometric distortion that reduces spatial fidelity and motion accuracy. This study evaluates GNL correctio...
Can Wu, PhD
Therapy Physics
0 people interested
Poster
GPD-T-218
Poster Program
Exhibit Hall | Poster Lounge
Jul 19 · 15:15
GRID-Lattice: A Compact and Robust Proton Lattice Strategy Using a GRID Entrance Beam Pattern
Proton LATTICE radiotherapy (LRT), a spatially fractionated radiotherapy (SFRT), delivers high dose to intratumoral vertices while maintaining low valley dose. Single-field optimization (SFO) is robust in preserving peak-to-valle...
Shouyi Wei, PhD
Therapy Physics
0 people interested
Poster
GPD-T-385
Poster Program
Exhibit Hall | Poster Lounge
Jul 19 · 15:15
GUI-Based Framework for Automated Deep Learning Synthetic CT Generation and Contouring for Canine Adaptive Radiotherapy on a Dual-Robot Radiotherapy System
KOALA (Kilovoltage Optimized for AcceLerator Adaptive therapy) is a low-cost adaptive radiotherapy device designed for use in resource-limited settings. KOALA includes cone-beam CT (CBCT) imaging characterized by scatter artifact...
Mai Ibraheam, PhD
Therapy Physics
0 people interested
Poster
GPD-D-12
Poster Program
Exhibit Hall | Poster Lounge
Jul 19 · 15:15
Harmonizing CT Quality Control, Protocols, and Dose Thresholds across a Multi-Institution Enterprise with Shared Radiology Services
Large multi-institution healthcare networks often operate diverse fleets of CT scanners while sharing the same radiology practice for clinical interpretation. Variability in CT protocols, quality control (QC) processes, and dose...
Anahita Heshmat
Diagnostic and Interventional Radiology Physics
0 people interested
Poster
GPD-T-656
Poster Program
Exhibit Hall | Poster Lounge
Jul 19 · 15:15
Head and Neck Gross Tumor Volume Deep-Learning Autocontouring Model Using Bigroc Collaborative Data
Accurate delineation of Head and Neck (H&N) Gross Tumor Volumes (GTV) is a prerequisite for effective radiotherapy, represents a significant cognitive challenge, and may contribute to an observed outcomes deficit between high-vol...
Justin Brady Hink
Therapy Physics
0 people interested
Poster
GPD-T-655
Poster Program
Exhibit Hall | Poster Lounge
Jul 19 · 15:15
Helical Photon Plans Provide a Fast and Effective Backup for Proton Therapy
This study aims to compare plan quality between helical photon and IMPT proton delivery platforms across multiple disease sites to evaluate whether helical plans could provide an effective and rapid backup to proton therapy.
Mi Huang, PhD
Therapy Physics
0 people interested
Poster
GPD-D-81
Poster Program
Exhibit Hall | Poster Lounge
Jul 19 · 15:15
Hematological Impact of Chronic Low -Doseradiation Exposure In Radiology Staff: A Comprehensive Dose-Biomarker Correlation Study
This study investigates the hematological consequences of chronic low-dose radiation exposure (0.1–20 mSv/year) among radiology professionals, assessing profession-specific vulnerabilities and identifying biomarkers for early bio...
Williams F.B Igoniye, MS
Diagnostic and Interventional Radiology Physics
0 people interested
Poster
GPD-T-25
Poster Program
Exhibit Hall | Poster Lounge
Jul 19 · 15:15
Hierarchical Spatial and Temporal Aggregation As Progressive Denoising for Longitudinal CBCT Radiomics In Lung Cancer
Longitudinal CBCT radiomics acquired during radiotherapy suffers from temporal variability. We developed a novel cumulative spatial and temporal aggregation framework (CBCTc) to optimize both prediction performance and stability...
Wookjin Choi, PhD
Therapy Physics
0 people interested
Poster
GPD-T-345
Poster Program
Exhibit Hall | Poster Lounge
Jul 19 · 15:15
High-Accuracy In-Vivo Dosimetry Using Film Cut-Outs In Total Skin Electron Therapy
Precise, accessible, and patient-conformal in-vivo dosimetry remains a central requirement for assurance of safe radiotherapy delivery, particularly in high-dose-rate Total Skin Electron Therapy (HDR-TSET), where large treatment...
Shanice Nicole Manning
Therapy Physics
0 people interested
Poster
GPD-T-437
Poster Program
Exhibit Hall | Poster Lounge
Jul 19 · 15:15
High-Dose Radiation Effects In Organic Thin-Film Transistors
To assess the high-dose performance of organic thin-film transistors (OTFTs) for radiotherapy applications and to identify material-level effects impacting detector response.
Alexandria Mitchell
Therapy Physics
0 people interested
Poster
GPD-T-995
Poster Program
Exhibit Hall | Poster Lounge
Jul 19 · 15:15
High-Fidelity Abdominal Synthetic CT Generation for MR-Only Radiotherapy on an MR-Linac Using a 2.5D Latent Consistency Model
Synthetic CT (sCT) provides the electron density information needed for MR-only treatment planning, eliminating CT-MR registration errors and patient burden reduction. There are hitherto no reliable methods for sCT of the abdomen...
Sukhraj Virdee
Therapy Physics
0 people interested
Poster
GPD-T-1058
Poster Program
Exhibit Hall | Poster Lounge
Jul 19 · 15:15
Highly Conformal Radiation Planning of Orthotopic Glioblastoma Model In Mice Using 9.4T MRI Scans to Simulate Human Treatment
Preclinical glioblastoma (GBM) models are crucial for the development of novel therapeutic strategies to improve GBM outcomes. Highly conformal conventional fractionation forms the basis for standard-of-care radiotherapy (RT) in...
Brendon James Fitch
Therapy Physics
0 people interested
Poster
GPD-T-751
Poster Program
Exhibit Hall | Poster Lounge
Jul 19 · 15:15
High Quality 4D Anatomical and Functional MRI for Abdominal Tumor Motion Management
4D-MRI offers superior soft-tissue contrast for abdominal motion management but is limited by scan duration and image quality trade-offs. Moreover, existing techniques are restricted to anatomical imaging, lacking functional data...
Junjie MA
Therapy Physics
0 people interested
Poster
GPD-T-436
Poster Program
Exhibit Hall | Poster Lounge
Jul 19 · 15:15
High-Quality Proton Dose Generation for Pencil Beam Scanning Via Attention Cyclemamba-Driven Architecture
Intensity-modulated proton therapy (IMPT) with pencil beam scanning (PBS) delivers sequential proton spots as the fundamental delivery unit. By tuning each spot’s spatial position, energy level, and fluence intensity, it enables...
Yaoying Liu, PhD
Therapy Physics
0 people interested
Poster
GPD-T-162
Poster Program
Exhibit Hall | Poster Lounge
Jul 19 · 15:15
High Resolution and High Accuracy Measurements of Small Radiosurgery Fields with a Homogeneous Detector Array
Measuring dose from small fields delivered by dedicated radiosurgery devices like the Gamma Knife can be challenging and time consuming. It usually required a combination of films and point detectors (diodes, micro-ion chamber)....
Louis Archambault, PhD
Therapy Physics
0 people interested
Poster
GPD-T-383
Poster Program
Exhibit Hall | Poster Lounge
Jul 19 · 15:15
High-Resolution CT–Guided Multiparametric Navigation of Transcranial Focused Ultrasound Therapy
Transcranial focused ultrasound (tFUS) has emerged as a promising non-invasive neuromodulation modality, offering unparalleled focal precision and depth penetration. Accurate treatment planning critically depends on the ability t...
Penghao Gao
Therapy Physics
0 people interested
Poster
GPD-T-266
Poster Program
Exhibit Hall | Poster Lounge
Jul 19 · 15:15
High-Resolution CT Imaging Using a Few-Shot Foundation Model
High-resolution CT is important for radiotherapy contouring and dose calculation. However, acquiring high through-plane resolution is often constrained by radiation dose, motion artifacts, and scanner limitations. This study aims...
Alexandru Florea
Therapy Physics
0 people interested