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Ákos Varga‐Szemes

Department of Radiology and Radiological Science

42H-index
336Paper Count
5.8KCitation Count
Published Papers 147
Publication Date
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Coronary plaque quantification on energy-integrating and photon-counting detector CT: reproducibility and power modeling for mixed-platform trials
errEuropean Radiology
IF4.7
err2026-07-22
err0
errOAAI
errMilan Vecsey-Nagy; Muhammad Taha Hagar; José Osoria-Velasquez; Sardi Hyska; Mehmet Akif Gülsün; Puneet Sharma; Borbála Vattay; Bálint Szilveszter; Pál Maurovich-Horvat; Akos Varga-Szemes; Tilman Emrich
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Added value of photon-counting CT for triple rule-out imaging: A propensity-matched comparison with energy-integrating CT
errJournal of Cardiovascular Computed Tomography
IF5.8
err2026-06-19
err0
errOAAI
errSardi Hyska; Milán Vecsey-Nagy; Tilman Emrich; José Osoria-Velasquez; Moritz C. Halfmann; Jens Ricke; Nicola Fink; Fabian Bamberg; Ismail Mikdat Kabakus; Pál Maurovich-Horvat; Akos Varga-Szemes; Muhammad Taha Hagar
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Photon-counting CT in cardiac imaging: multi-institutional review on technical principles, clinical evidence, and practical protocols
errEuropean Journal of Radiology
IF3.3
err2026-05-02
err0
errOAAI
errMuhammad Taha Hagar; Milán Vecsey-Nagy; Dmitrij Kravchenko; Moritz C. Halfmann; Satinder P. Singh; Christopher L. Schlett; Daniel Kuetting; Pál Suranyi; Bálint Szilveszter; Reginald F. Munden; Julian Luetkens; Tobias Bäuerle; Fabian Bamberg; Pal Maurovich-Horvat; Akos Varga-Szemes; Tilman Emrich
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Incremental value of deep learning denoising in low-dose coronary CT angiography in predominantly obese patients
errEuropean Journal of Radiology
IF3.3
err2026-04-12
err0
PREAI
errJosé Osoria-Velasquez; Kathryn Byerly; Milán Vecsey-Nagy; Nicholas H. Shaheen; Sardi Hyska; Moritz Halfmann; Fabian Bamberg; Stephan Rau; Tilman Emrich; Akos Varga-Szemes; Muhammad Taha Hagar
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Bridging scanner variability and biological change: Power modeling for studies involving both energy-integrating and photon-counting detector CT
errJournal of Cardiovascular Computed Tomography
IF5.8
err2026-03-26
err0
PREAI
errMilan Vecsey-Nagy; Muhammad Taha Hagar; José Osoria-Velasquez; Bálint Szilveszter; Pál Maurovich-Horvat; Akos Varga-Szemes; Tilman Emrich
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Coronary artery calcium scoring: expanding the new standard by photon-counting detector CT—Part I: Impact of tube voltage, tube current, slice thickness, and quantum iterative reconstructions
errEuropean Radiology
IF4.7
err2026-02-19
err0
errOAAI
errNicola Fink; Lennart R. Koetzier; Emese Zsarnoczay; Milan Vecsey-Nagy; Dmitrij Kravchenko; Muhammad Taha Hagar; Jim O’Doherty; Moritz C. Halfmann; Pal Suranyi; Gijs D. van Praagh; Jens Ricke; Pal Maurovich-Horvat; Tobias Bäuerle; Martin J. Willemink; Akos Varga-Szemes; Tilman Emrich
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Coronary artery calcium scoring: expanding the new standard by photon-counting detector CT Part II: Impact of virtual monoenergetic image reconstructions with adjusted calcium scoring thresholds
errEuropean Radiology
IF4.7
err2026-02-19
err0
errOAAI
errNicola Fink; Lennart R. Koetzier; Emese Zsarnoczay; Milan Vecsey-Nagy; Dmitrij Kravchenko; Muhammad Taha Hagar; Jim O’Doherty; Moritz C. Halfmann; Pal Suranyi; Gijs D. van Praagh; Jens Ricke; Pal Maurovich-Horvat; Tobias Bäuerle; Martin J. Willemink; Akos Varga-Szemes; Tilman Emrich
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Towards Personalized Scan Protocols For Ultra-high Resolution Photon-counting Coronary Ct Angiography: A Sex-based Analysis Of Image Quality
errJournal of Cardiovascular Computed Tomography
IF5.8
err2026-01-19
err0
PREAI
errT. Emrich; M. Halfmann; A. Varga-Szemes; A. Kilburg; T. Bäuerle; P. Locherer
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Deep Learning–Based denoising improves myocardial late enhancement imaging with spectral photon-counting CT
errJournal of Cardiovascular Computed Tomography
IF5.8
err2025-12-27
err0
PREAI
errJosé Osoria-Velasquez; Giuseppe Tremamunno; Tilman Emrich; James Ira Griggers; Sardi Hyska; Dmitrij Kravchenko; Fabian Bamberg; Moritz C. Halfmann; Milán Vecsey-Nagy; Akos Varga-Szemes; Muhammad Taha Hagar
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Spectral ultrahigh-resolution photon-counting CT for coronary stent imaging: evaluation in a dynamic phantom
errEuropean Radiology Experimental
IF3.6
err2025-12-02
err0
errOAAI
errMuhammad Taha Hagar; Tilman Emrich; Milán Vecsey-Nagy; Fabian Bamberg; Christopher L. Schlett; G. William Garrison; Ava Wenderoth; Alexander Isaak; Daniel Kuetting; Julian A. Luetkens; Constantin von Zur Mühlen; Akos Varga-Szemes; Dmitrij Kravchenko
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CT Angiography-derived fractional flow reserve in the emergency department: Insights from a matched cohort analysis
errEuropean Journal of Radiology
IF3.3
err2025-11-19
err0
errOAAI
errMilán Vecsey-Nagy; Muhammad Taha Hagar; U.Joseph Schoepf; Jose Osoria-Velasquez; James Ira Griggers; Andrew J. Matuskowitz; Ava Wenderoth; Tilman Emrich; Akos Varga-Szemes
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Comparative analysis of photon-counting and energy-integrating detector CT to identify obstructive coronary artery disease
errEuropean Radiology
IF4.7
err2025-11-14
err0
errOAAI
errMelinda Boussoussou; Milán Vecsey-Nagy; Zsófia Jokkel; Borbála Vattay; Anikó Kubovje; Barbara Sipos; Márton Kolossváry; Anikó Ilona Nagy; Lili Száraz; Sámuel Beke; Bernard Schmidt; Máté Kiss; Béla Merkely; Josua A. Decker; Tilman Emrich; Akos Varga-Szemes; Pál Maurovich-Horvat; Bálint Szilveszter
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Fully personalized contrast injection optimized for weight and tube voltage in low-dose fast-pitch coronary CT angiography
errEuropean Journal of Radiology
IF3.3
err2025-10-30
err0
errOAAI
errKathryn Byerly; Milán Vecsey-Nagy; Bibi Martens; Casper Mihl; José Osoria-Velasquez; James Griggers; U.Joseph Schoepf; Joachim Wildberger; Fabian Bamberg; Tilman Emrich; Akos Varga-Szemes; Muhammad Taha Hagar
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Low-field and portable MRI technology: advancements and innovations
errEuropean Radiology Experimental
IF3.6
err2025-10-23
err0
errOAAI
errDmitrij Kravchenko; Muhammad Taha Hagar; Milan Vecsey-Nagy; Ildiko Kabat; Anne Groteklaes; Julian A. Luetkens; Daniel Kuetting; Alexander Isaak; Tilman Emrich; Akos Varga-Szemes; Maria Vittoria Spampinato
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Stenosis quantification in high-pitch photon-counting coronary CT angiography: in vitro and in vivo impact of reconstruction kernel types and sharpness levels
errEuropean Radiology Experimental
IF3.6
err2025-09-24
err0
errOAAI
errJonathan Stock; Mortiz Halfmann; Tilman Emrich; Lukas Müller; Nicola Fink; Dirk Graafen; Tobias Bäuerle; Michaela Hell; Martin Geyer; Milan Vecsey-Nagy; Akos Varga-Szemes; Yang Yang
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Automated coronary analysis in ultrahigh-spatial resolution photon-counting detector CT angiography: Clinical validation and intra-individual comparison with energy-integrating detector CT
errJournal of Cardiovascular Computed Tomography
IF5.8
err2025-09-01
err0
errOAAI
errDmitrij Kravchenko; Muhammad Taha Hagar; Akos Varga-Szemes; U. Joseph Schoepf; Max Schoebinger; Jim O'Doherty; Mehmet Akif Gülsün; Andrea Laghi; Gerald Siegfried Laux; Milan Vecsey-Nagy; Tilman Emrich; Giuseppe Tremamunno
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Semiquantitative Metrics Of Coronary Artery Disease Burden: Intra-individual Comparison Between Ultrahigh-resolution Photon-counting Detector Ct And Energy-integrating Detector Ct
errJournal of Cardiovascular Computed Tomography
IF5.8
err2025-07-20
err0
PREAI
errT. Emrich; M. Vecsey-Nagy; G. Tremamunno; D. Kravchenko; A. Varga-Szemes
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Synthetic hematocrit-based extracellular volume quantification from photon-counting CT: Validation against MRI and systematic bias correction
errEuropean Journal of Radiology
IF3.3
err2025-07-16
err0
errOAAI
errMuhammad Taha Hagar; W.Garrison Moore; Milán Vecsey-Nagy; José Osoria-Velasquez; James Griggers; Fabian Bamberg; Akos Varga-Szemes; Tilman Emrich
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Prospective comparison of brain tumor detection and characterization using post-contrast Dixon uT1RESS and MPRAGE at 3 Tesla
errEuropean Journal of Radiology
IF3.3
err2025-07-05
err0
PREAI
errAdrienn Tóth; Robert R. Edelman; Muhammad Taha Hagar; Dmitrij Kravchenko; Milán Vecsey-Nagy; James Ira Griggers; Jonathan Eernisse; Tilman Emrich; M. Vittoria Spampinato; Akos Varga-Szemes
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Diagnostic value of cardiac magnetic resonance imaging-based left atrial strain analysis for identifying cardiac diseases with overlapping phenotype
errEUROPEAN JOURNAL OF RADIOLOGY
IF3.3
err2025-07-01
err0
PREAI
errReichardt, Constantin; Moos, Maximilian; Emrich, Tilman; Kreitner, Karl-Friedrich; Mueller, Lukas; Hobohm, Lukas; Baeuerle, Tobias; Varga-Szemes, Akos; Halfmann, Moritz C.
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Research Directions

No research directions
Co-authors
Cooperation Journals
J
Jonathon Leipsic
H-index: 126 · Papers: 1.1K
D
Daniel Steinberg
H-index: 119 · Papers: 588
B
Béla Merkely
H-index: 106 · Papers: 2.0K
M
Matthijs Oudkerk
H-index: 94 · Papers: 822
R
Robert R. Edelman
H-index: 93 · Papers: 461
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