Advances in Photon Counting Detector Imaging

Dear Colleagues,

Photon-counting detectors constitute a promising new technology in medical imaging, including recent computed tomography (CT) systems. They provide energy-resolved image data at a high spatial resolution without the downside of electronic noise and with optimized tissue contrast. The first prototype and preclinical installations demonstrated many potential clinical benefits of this new technology regarding image quality, precision, radiation dose, and spectral imaging properties, and also highlighted the option to image new, spectrally optimized contrast media. Recently, the first clinical photon-counting CT systems were installed in various centers, fulfilling the expectations of prototype and preclinical systems.

This Special Issue aims to provide a comprehensive insight into this active research area by gathering contributions covering all aspects related to this topic, starting from fundamental questions (e.g., quantitative imaging, quality, resolution, spectral behavior, and radiation dose) to validation in the clinical setting (e.g., cardiovascular, lung, or abdominal imaging). Contributions may, therefore, be related to all new aspects of this exciting technology, which will transform medical imaging in the near future.

Prof. Dr. Hatem Alkadhi
Guest Editor

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