Journal
EUROPEAN RADIOLOGY
Volume 12, Issue 10, Pages 2562-2570Publisher
SPRINGER
DOI: 10.1007/s00330-002-1350-1
Keywords
digital radiography; computed radiography; screen-film radiography; storage phosphor radiography
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Large-area flat-panel detectors with active readout mechanisms have been on the market for the past 2 years. This article describes different detector technologies. An important distinction is made between detectors with direct and those with indirect conversion of X-rays into electrical charges. Detectors with indirect conversion are built with unstructured or structured scintillators, the latter resulting in less lateral diffusion of emitted light. Some important qualities of flat-panel detectors are discussed. The first phantom and clinical studies published report an image quality at least comparable to that of screen-film systems and a potential for dose reduction. The available studies are summarised in this article.
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