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- W2312288623 abstract "Guidelines for the reduction of computed tomography (CT) radiation doses were introduced in 1997. However, the process initiated by European regulatory authorities to reduce the excess radiation from CT has not produced the expected results. Reference diagnostic levels (RDLs) from surveys are still twice as high as needed for multidetector CT (MDCT) in most European countries and were not significantly reduced compared with the initial levels. Many factors may at least partially explain the lack of dose reduction. One of them is the complexity of the dose-optimisation process while maintaining image quality at a diagnostically acceptable level. The chest is an anatomical region where the radiation dose could be substantially reduced because of high natural contrasts between structures, such as air in the lungs and fat in the mediastinum. In this article, the concept of CT radiation-dose optimisation and the factors that contribute to maintaining global excess in radiation dose are reviewed, and a brief summary of results from research in the field of chest CT radiation dose is given." @default.
- W2312288623 created "2016-06-24" @default.
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- W2312288623 date "2009-01-01" @default.
- W2312288623 modified "2023-09-24" @default.
- W2312288623 title "Radiation Safety in Thoracic Imaging – Opinion" @default.
- W2312288623 doi "https://doi.org/10.15420/ecr.2012.5.2.19" @default.
- W2312288623 hasPublicationYear "2009" @default.
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