Publications by authors named "Isabelle Ayx"

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Unconditional latent diffusion models memorize patient imaging data.
Salman Ul Hassan Dar, Marvin Seyfarth, Isabelle Ayx, Theano Papavassiliu, Stefan O Schoenberg

Nat Biomed Eng· August 2025

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Cardiac Radiomics Analyses in Times of Photon-counting Computed Tomography for Personalized Risk Stratification in the Present and in the Future.
Isabelle Ayx, Rouven Bauer, Stefan O Schönberg, Alexander Hertel

Rofo· July 2025

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Reduction of Streak Artifacts in the Superior Vena Cava for Better Visualization of Mediastinal Structures Through Virtual Monoenergetic Reconstructions Using a Photon-counting Detector Computed Tomography.
Greta Thater, Isabel Frerichs, Sylvia Büttner, Stefan O Schoenberg, Matthias Froelich, Isabelle Ayx

J Thorac Imaging· July 2025

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Radiomics Signature of Aging Myocardium in Cardiac Photon-Counting Computed Tomography.
Alexander Hertel, Mustafa Kuru, Johann S Rink, Florian Haag, Abhinay Vellala, Isabelle Ayx

Diagnostics (Basel)· July 2025

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Feasibility of ultra-high-resolution abdominal CT angiography in PCCT in outperforming conventional EICT.
Isabelle Ayx, Kay Schwenke, Lukas Rotkopf, Hany Kayed, Sylvia Buettner

Eur J Radiol· May 2025

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Feasibility of on-site CT-FFR analysis on cardiac photon-counting CT in evaluation of hemodynamically significant stenosis in comparison to invasive catheter angiography.
Isabelle Ayx, Lena Lichti, Sylvia Buettner, Theano Papavassiliu, Kateryna Sopova

Eur J Radiol· February 2025

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Textural heterogeneity of liver lesions in CT imaging - comparison of colorectal and pancreatic metastases.
Friedrich L Pietsch, Florian Haag, Isabelle Ayx, Freba Grawe, Abhinay K Vellala

Abdom Radiol (NY)· December 2024

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Interrelation of pericoronary adipose tissue texture and coronary artery disease of the left coronary artery in cardiac photon-counting computed tomography.
Jannik Kahmann, Dominik Nörenberg, Theano Papavassiliu, Stefan O Schoenberg, Matthias F Froelich, Isabelle Ayx

Front Cardiovasc Med· December 2024

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Atavism as a cause of dilative cardiomyopathy.
Fabian Fastenrath, Anoshirwan Tavakoli, Daniel Duerschmied, Dariusch Haghi, Isabelle Ayx

Hellenic J Cardiol· July 2024

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Combined conventional factors and the radiomics signature of coronary plaque texture could improve cardiac risk prediction.
Jannik Kahmann, Dominik Nörenberg, Theano Papavassiliu, Salman Ul Hassan Dar, Sandy Engelhardt, Isabelle Ayx

Insights Imaging· July 2024

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Optimizing Arterial Vessel Contrast in Portal Venous Phase with Virtual Monoenergetic Images from Photon-Counting Detector CT Scans of the Abdomen-First Clinical Experiences.
Daniel Dillinger, Daniel Overhoff, Isabelle Ayx, Hanns L Kaatsch, Achim Hagen

Diagnostics (Basel)· March 2024

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Photon-counting computed tomography - clinical application in oncological, cardiovascular, and pediatric radiology.
Florian Hagen, Martin Soschynski, Meike Weis, Muhammad Taha Hagar, Patrick Krumm, Isabelle Ayx

Rofo· January 2024

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Analysis of Epicardial Adipose Tissue Texture in Relation to Coronary Artery Calcification in PCCT: The EAT Signature!
Peter Mundt, Alexander Hertel, Hishan Tharmaseelan, Dominik Nörenberg, Theano Papavassiliu, Isabelle Ayx

Diagnostics (Basel)· January 2024

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Tumor classification of gastrointestinal liver metastases using CT-based radiomics and deep learning.
Hishan Tharmaseelan, Abhinay K Vellala, Alexander Hertel, Fabian Tollens, Lukas T Rotkopf, Isabelle Ayx

Cancer Imaging· October 2023

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Pericoronary radiomics texture features associated with hypercholesterolemia on a photon-counting-CT.
Jannik Kahmann, Hishan Tharmaseelan, Philipp Riffel, Daniel Overhoff, Theano Papavassiliu, Isabelle Ayx

Front Cardiovasc Med· October 2023

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Photon-counting computed tomography of coronary and peripheral artery stents: a phantom study.
Thomas Stein, Jana Taron, Niklas Verloh, Michael Doppler, Alexander Rau, Isabelle Ayx

Sci Rep· September 2023

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Phantom-based radiomics feature test-retest stability analysis on photon-counting detector CT.
Alexander Hertel, Hishan Tharmaseelan, Lukas T Rotkopf, Dominik Nörenberg, Philipp Riffel, Isabelle Ayx

Eur Radiol· July 2023

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Periaortic adipose radiomics texture features associated with increased coronary calcium score-first results on a photon-counting-CT.
Peter Mundt, Hishan Tharmaseelan, Alexander Hertel, Lukas T Rotkopf, Dominik Nörenberg, Isabelle Ayx

BMC Med Imaging· July 2023

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Low dose pediatric chest computed tomography on a photon counting detector system - initial clinical experience.
Ilias Tsiflikas, Greta Thater, Isabelle Ayx, Jakob Weiss, Juergen Schaefer

Pediatr Radiol· May 2023

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Influence of heart rate and heart rate variability on the feasibility of ultra-fast, high-pitch coronary photon-counting computed tomography angiography.
Lukas T Rotkopf, Matthias F Froelich, Philipp Riffel, Christian H Ziener, Carissa Reid, Isabelle Ayx

Int J Cardiovasc Imaging· May 2023

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Radiomics in Cardiac Computed Tomography.
Isabelle Ayx, Matthias F Froelich, Stefan Baumann, Theano Papavassiliu, Stefan O Schoenberg

Diagnostics (Basel)· January 2023

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Evaluation of radiomics feature stability in abdominal monoenergetic photon counting CT reconstructions.
Hishan Tharmaseelan, Lukas T Rotkopf, Isabelle Ayx, Alexander Hertel, Dominik Nörenberg

Sci Rep· November 2022

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Influence of local aortic calcification on periaortic adipose tissue radiomics texture features-a primary analysis on PCCT.
Hishan Tharmaseelan, Matthias F Froelich, Dominik Nörenberg, Daniel Overhoff, Lukas T Rotkopf, Isabelle Ayx

Int J Cardiovasc Imaging· November 2022

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High Temporal Resolution Dual-Source Photon-Counting CT for Coronary Artery Disease: Initial Multicenter Clinical Experience.
Martin Soschynski, Florian Hagen, Stefan Baumann, Muhammad Taha Hagar, Jakob Weiss, Isabelle Ayx

J Clin Med· October 2022

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Myocardial Radiomics Texture Features Associated with Increased Coronary Calcium Score-First Results of a Photon-Counting CT.
Isabelle Ayx, Hishan Tharmaseelan, Alexander Hertel, Dominik Nörenberg, Daniel Overhoff

Diagnostics (Basel)· July 2022

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