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    Evaluating small coronary stents with dual-source photon-counting computed tomography: effect of different scan modes on image quality and performance in a phantom by Thomas Stein, Constantin von zur Muhlen, Niklas Verloh, Till Schürmann, Tobias Krauss, Martin Soschynski, Dirk Westermann, Jana Taron, Elif Can, Christopher L. Schlett, Fabian Bamberg, Christopher Schuppert, Muhammad Taha Hagar

    Published 2025-01-01
    “…PURPOSE: The study aimed to assess the feasibility and image quality of dual-source photon-counting detector computed tomography (PCD-CT) in evaluating small-sized coronary artery stents with respect to different acquisition modes in a phantom model. METHODS: Utilizing a phantom setup mimicking the average patient’s water-equivalent diameter, we examined six distinct coronary stents inflated in a silicon tube, with stent sizes ranging from 2.0 to 3.5 mm, applying four different CT acquisition modes of a dual-source PCD-CT scanner: “high-pitch,” “sequential,” “spiral” (each with collimation of 144 × 0.4 mm and full spectral information), and “ultra-high-resolution (UHR)” (collimation of 120 × 0.2 mm and no spectral information). …”
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