Ultra-High-Resolution Photon-Counting CT Imaging of the Chest: A New Era for Morphology and Function. - Université de Lille Accéder directement au contenu
Article Dans Une Revue Investigative Radiology Année : 2023

Ultra-High-Resolution Photon-Counting CT Imaging of the Chest: A New Era for Morphology and Function.

Résumé

After a decade of preclinical testing, photon-counting computed tomography (PCCT) has now entered daily routine, enabling radiologists to start investigating thoracic disorders in unprecedented conditions. The improved spatial resolution of the ultra-high-resolution (UHR) scanning mode is a major step for the analysis of bronchopulmonary disorders, making abnormalities at the level of small anatomical structures such as secondary pulmonary lobules accessible to radiologists. Distal divisions of pulmonary and systemic vessels also benefit from UHR protocols as alterations of lung microcirculation were previously excluded from confident analysis with energy-integrating detector CT. Although noncontrast chest CT examinations were the initial target of UHR protocols, the clinical value of this mode is also applicable to chest CT angiographic examinations with improved morphological evaluation and higher-quality lung perfusion imaging. The clinical benefits of UHR have been evaluated in initial studies, allowing radiologists to foresee the field of future applications, all combining high diagnostic value and radiation dose reduction. The purpose of this article is to highlight the technological information relevant to daily practice and to review the current clinical applications in the field of chest imaging.
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Dates et versions

hal-04529751 , version 1 (02-04-2024)

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Citer

Martine Remy, Antoine Hutt, Thomas Flohr, Jean-Baptiste Faivre, Paul Felloni, et al.. Ultra-High-Resolution Photon-Counting CT Imaging of the Chest: A New Era for Morphology and Function.. Investigative Radiology, 2023, Investigative Radiology, ⟨10.1097/RLI.0000000000000968⟩. ⟨hal-04529751⟩

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