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4 April 2022 Photon-counting CT versus conventional CT for COPD quantifications: intra-scanner optimization and inter-scanner assessments using virtual imaging trials
Saman Sotoudeh-Paima, W. Paul Segars, Ehsan Samei, Ehsan Abadi
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Proceedings Volume 12031, Medical Imaging 2022: Physics of Medical Imaging; 120312I (2022) https://doi.org/10.1117/12.2613003
Event: SPIE Medical Imaging, 2022, San Diego, California, United States
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Abstract
CT imaging has proved to be an effective tool in evaluating COPD patients. The development of photon-counting detectors has offered better spatial resolution and reduced image noise, overcoming one major limitation of conventional scanners. However, this promising technology needs to be compared against conventional scanners and carefully optimized for its specific application. The purpose of this study was to investigate the potential benefits of PCCT in the context of COPD imaging. Our analysis demonstrated that PCCT achieved more accurate results compared to conventional scanners and that lower dose levels, sharp kernels, and thicker reconstruction slices would negatively affect the accuracy.
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Saman Sotoudeh-Paima, W. Paul Segars, Ehsan Samei, and Ehsan Abadi "Photon-counting CT versus conventional CT for COPD quantifications: intra-scanner optimization and inter-scanner assessments using virtual imaging trials", Proc. SPIE 12031, Medical Imaging 2022: Physics of Medical Imaging, 120312I (4 April 2022); https://doi.org/10.1117/12.2613003
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KEYWORDS
Scanners
Chronic obstructive pulmonary disease
Computed tomography
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