Photon-counting CT review

•Photon-counting detectors are a promising new technology for computed tomography (CT) systems.•They provide energy-resolved CT data at high spatial resolution without electronic noise and with improved tissue contrasts.•Pre-clinical whole-body photon-counting CT prototypes are currently used for pr...

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Bibliographic Details
Published inPhysica medica Vol. 79; pp. 126 - 136
Main Authors Flohr, Thomas, Petersilka, Martin, Henning, Andre, Ulzheimer, Stefan, Ferda, Jiri, Schmidt, Bernhard
Format Journal Article
LanguageEnglish
Published Italy Elsevier Ltd 01.11.2020
Subjects
Computed tomography CT
Photon-counting CT
Photon-counting detector
Spectral CT
Computed tomography CT
Spectral CT
Photon-counting detector
Photon-counting CT
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Summary:•Photon-counting detectors are a promising new technology for computed tomography (CT) systems.•They provide energy-resolved CT data at high spatial resolution without electronic noise and with improved tissue contrasts.•Pre-clinical whole-body photon-counting CT prototypes are currently used for pre-clinical testing in human subjects. Photon-counting detectors are a promising new technology for computed tomography (CT) systems. They provide energy-resolved CT data at very high spatial resolution without electronic noise and with improved tissue contrasts. This review article gives an overview of the principles of photon-counting detector CT, of potential clinical benefits and limitations, and of the experience gained so far in pre-clinical installations.
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ISSN:1120-1797
1724-191X
1724-191X
DOI:10.1016/j.ejmp.2020.10.030