Assessing coronary in-stent restenosis using ultrahigh-resolution photon-counting detector CT: results from a two-center study

European Journal of Radiology 2026 Open access

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Authors: Bálint Szilveszter, Muhammad Taha Hagar, P. Kulyassa, Barbara Sipos, A. Kubovje, Borbála Vattay, Melinda Boussoussou, Sámuel Beke, K. Nagy, Lili Száraz, Pál Maurovich-Horvat, Akos Varga-Szemes
+2 more Tilman Emrich, Milán Vecsey-Nagy
DOI: 10.1016/j.ejrad.2026.112766
Cited by: 3
References: 21

Abstract

INTRODUCTION: To assess the diagnostic accuracy of ultrahigh-resolution (UHR) photon-counting detector (PCD)-CT for detecting obstructive and non-obstructive coronary in-stent restenosis (ISR), using invasive coronary angiography (ICA) as the reference. METHODS: Consecutive patients with coronary stents who underwent clinically indicated coronary CT angiography (CCTA) on a dual-source PCD-CT were retrospectively identified from two academic centers. All UHR scans were reconstructed at 0.2 mm and 0.4 mm slice thickness, the latter served as an energy-integrating detector CT-like proxy. Series were assessed for the presence of non-obstructive (

Fields of Study & Subjects

Advanced X-ray and CT Imaging Cardiac Imaging and Diagnostics Advanced X-ray Imaging Techniques

Publication details

Journal / source
European Journal of Radiology
Publisher
Elsevier BV
Volume
199
Pages
112766–112766
Publication date
6 March 2026
Language
EN