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Vienna, Austria

ESTRO 2025

Session

Image acquisition and processing
Digital Poster
Physics
Direct electron density reconstruction from spectral CT: Validation for radiotherapy dose calculation
Poppy Nikou, United Kingdom
E25-974
Clinical application of Intelligent 4DCT (i4D): Analysis of image artifact frequency and comparison to conventional 4DCT
Lukas Wimmert, Germany
E25-1095
Robust and automated synthetic CT generation via deformable image registration for patients with head and neck cancer
Adam Mylonas, Australia
E25-1185
Evaluation of synthetic CT generated from MRI by using Vision transformer based cGAN model for proton therapy planning in nasopharyngeal carcinoma
Hongdong Liu, China
E25-1255
Motion detection accuracy of dual-energy X-ray imaging for lung cancer tracking: an experimental phantom study
Nawal Alqethami, Germany
E25-1364
Iodine Quantification and HU Calculation Accuracy of Multiple Spectral Images in Dual Energy CT Utilizing Twin Spiral Technology
Hsiang Chi Kuo, USA
E25-1467
Using a Predictive Model for Noise Assessment devised from CT Images Across Various Scanner Models to Compare CT Imaging Protocols
Hsiang Chi Kuo, USA
E25-1469
Sub-Second Temporal Resolution 4D Imaging for Target Motion Analysis: A Comparison of 4D-MRI and 4D-CT Using a Liver Tumor Phantom Model
Tianyuan Wang, Japan
E25-1474
Validation of Elekta IRIS CBCT reconstruction algorithm for treatment planning and IGRT in radiotherapy of locally advanced rectal cancer patients
Lorenzo De Sanctis, Italy
E25-1655
Evaluating the effects of field-of-view on stopping power ratio and proton therapy dose calculation
Mananchaya Vimolnoch, Thailand
E25-58
Deep Learning method for Effective Atomic Number Extraction from Photon-Counting Dual-Energy CT in Radiation Treatment Planning
Kihong Son, Korea Republic of
E25-1708
Deep Learning-Based Synthetic CT Generation for MR-Only Radiotherapy in Nasopharyngeal Carcinoma
Guanqun Zhou, China
E25-1758
Commissioning of a commercial synthetic CT software for MR-only planning of stereotactic brain treatments
Riccardo Dal Bello, Switzerland
E25-1788
Evaluation of the dosimetric accuracy of Hypersight CBCTp with FDK and Acuros reconstruction algorithms for multiple treatment sites
Marco Fusella, Italy
E25-1821
Optimizing MRI Coil Setups for Enhanced DTI in Radiotherapy with Immobilization Devices: Towards Clinical Integration of White Matter Tracts
Sophie Bockel, France
E25-1907
Evaluation of biplane 2D digital subtraction angiography and 3D imaging fusion for precise frameless arteriovenous malformation radiosurgery
Thierry Gevaert, Belgium
E25-1915
Prior knowledge-induced CBCT reconstruction from single-view projection for adaptive radiotherapy
Danyang Li, China
E25-1929
Spectral CT for Stopping-Power-Ratio prediction in particle therapy: Comparing Virtual Contrast Removal in Dual-Energy and Photon-Counting CT
Julian Schwengfelder, Germany
E25-1936
Preliminary Results from Consensus Measurement Methods for Longitudinal relaxometry on the 1.5T Unity MR-linac: a multi-institution comparison
Erik van der Bijl, The Netherlands
E25-2029
Evaluation of HyperSight cone-beam CT imaging for contouring and dose recalculation in head-and-neck cancer patients
Colien Hazelaar, The Netherlands
E25-2087
Value of the Acorus reconstruction for conventional (non-HyperSight) Ethos systems.
Erik van Dieren, The Netherlands
E25-81
FIRST IMPLEMENTATION OF PHOTON COUNTING CT FOR OPTIMIZING SEGMENTATION AND RADIOTHERAPY PLANNING FOR HEAD-AND-NECK CANCER
Niccolò Bertini, Italy
E25-2156
First implementation of photon counting CT in radiotherapy dose calculation for material distinction and identification
Serena Psoroulas, Switzerland
E25-2176
Efficient DTI Protocol for Stereotactic Radiotherapy Planning: Balancing Acquisition Time and Axonal Fidelity
Paul RETIF, France
E25-2397
Diffusion and echo time differences can introduce discrepancies in observed Apparent Diffusion Coefficients between MRI-linacs and diagnostic scanners
Kerstin Lagerstrand, Sweden
E25-2410
Longitudinal study on synthetic CT constancy and reproducibility: Assessing QA feasibility with volunteer scans
Bernd-Niklas Axer, Germany
E25-2575
Applying transfer learning from high-energy physics to enhance CT image quality in lung cancer screening
Lorenzo Cederle, Italy
E25-2642
CBCT imaging dose reduction using transformer models for projection interpolation
Adrian Thummerer, Germany
E25-2703
Impact of the repetition scheme on the accuracy of T1 and T2 mapping with MR fingerprinting on a 1.5 T MR-Linac
Magali Nuixe, United Kingdom
E25-2706
Frame induced MR distortion in Gamma Knife radiosurgery: assessment at 1.5T and 3T for two frame models
Efi Koutsouveli, Greece
E25-2899
Development of a deep learning deformable image registration algorithm for adaptive radiotherapy of head and neck cancer
Donghoon Lee, USA
E25-2984
Assessing the Necessity of a Receive Coil Holder in Pelvic MR-Only Treatment Planning: Interim Results from the MR.pelvis Study at a 0.55T system
Florian Putz, Germany
E25-218
A Multi-domain Model for Reducing Artefacts in Cone-beam CT
Takao Onishi, Japan
E25-3166
Accuracy of deformable dose mapping in thoracic reirradiation
Nicholas Hardcastle, Australia
E25-3236
Step-by-step assessment of MRI-Only workflow in pelvic radiotherapy: feasibility and operational review
Bin Tang, China
E25-3288
Automated MR-only radiotherapy outperforms conventional MR-CT based radiotherapy in accuracy for head-and-neck cancer (MEC-2019-0805)
Steven Petit, The Netherlands
E25-3319
The bone rigidity error: a simple, quantitative, and interpretable metric for patient-specific validation of deformable image registration
Andreas Smolders, Switzerland
E25-3341
Photon-Counting CT: preliminary analysis on its potential benefits for radiotherapy applications
Valerio Pisoni, Italy
E25-3367
Development of a Python library for image and segmentation conversion and application for radiomic feature comparison
Gabriele Palazzo, Italy
E25-3368
Do humans annotate landmarks more precisely than machines?
Andreas Smolders, Switzerland
E25-3404
Bone bulk density based on classical, Direct Density and synthetic CT for prostate MR guided SBRT: Is there a relevant dosimetric impact?
Sara Poeta, Belgium
E25-3440
Beam hardening and accuracy quantification of virtual monoenergetic images for dual-energy CT and photon-counting CT
Vicki Taasti, Denmark
E25-3463
Individually synchronized contrast-enhanced 4DCT simulation for target volume delineation in abdominal SBRT
Valeria Faccenda, Italy
E25-391
Image-based assessment of breast density as a risk factor for radiation-induced breast cancer in young women treated with mediastinal radiotherapy
Rory Bell, United Kingdom
E25-3560
Qualitative assessment of HyperSight CBCT image quality using breath hold technique for image matching and contouring
Lee MacDonald, Canada
E25-3621
MR-CT multimodal fusion in stereotactic radiosurgery for brain metastases: a comparison between manual and automatic outputs
Valeria Faccenda, Italy
E25-3784
Quantitative and qualitative assesment of a novel algorithm for correcting stack-artifacts in 4DCT Reconstruction
Mushawar Ahmad, Germany
E25-3789
Accelerated Diffusion-weighted MRI enabled by deep learning on a 1.5T Unity MR-Linac
Andreas Wetscherek, United Kingdom
E25-3844
Motion determination of lung tumours based on cine-MR images
Nils Olovsson, Sweden
E25-3879
Prospective clinical trial (NCT06322329) evaluating lung tumour motion with 2D cine MRI: pilot study results
Elias Lindbäck, Sweden
E25-3915
Technical and clinical feasibility assessment of photon-counting CT in radiotherapy
Patrick Wohlfahrt, Germany
E25-4620
Rapid Anatomical Verification for Prostate Cancer Patients Using Deep Learning-Generated Volumetric Images from Biplanar Projections and Planning CT
Mustafa Kadhim, Sweden
E25-492
Enhancing Mid-Field MR Images for Upright Treatments Using Diffusion Schrödinger Bridge Models
Ye Zhang, Switzerland
E25-893