Comparative imaging analysis demonstrates lower noise and improved contrast in standard body habitus scans, suggesting spectral imaging could replace conventional 120-kVp CT.
VMS imaging at approximately 70 keV yielded lower image noise and higher CNR than did 120-kVp CT for a given radiation dose. VMS imaging has the potential to replace 120-kVp CT as the standard CT imaging modality, since optimal VMS imaging may be expected to yield improved image quality in a patient with standard body habitus.
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Matsumoto et al. (2011) studied this question.
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