WebMay 1, 2015 · Aaron Sodickson. Dual-energy computed tomography (CT) is a powerful diagnostic tool that is becoming more widely clinically available. Dual-energy CT has the potential to aid in the detection or ... WebThe main aim here is to estimate the cumulative lifetime attributed risks (LARs) for patients subjected to contrast-enhanced chest computer tomography (CECCT). Further, the impact of the contrast media on the organs doses (ODs), effective dose (E*), LARs and scan acquisition parameters were assessed. The ODs, and E* of the CECCT scan for 17 …

Artifacts in Dual-Energy CT Gout Protocol: A Review of 50 …

WebThe objective was to evaluate the performances of dose-reduced dual-energy computed tomography (DECT) in decreasing metallic artifacts from orthopedic devices compared with dose-neutral DECT, dose-neutral single-energy … WebDec 1, 2011 · The assumption that the DE-derived WA image dataset is, by convention, equivalent to a standard 120-kVp acquisition could be challenged by the technical limitations of dual-source CT in the form of additional image noise caused by overlap between low- and high-energy photon spectra as well as scatter radiation from high-voltage tubes to low ... lage til agurkesalat

Dual-energy CT-based stopping power prediction for …

WebMar 1, 2010 · The average CTDIW for FKS head and body scans was 70.4mGy and 33.4mGy, respectively, at the optimal monochromatic energy of 65 keV. The corresponding LCD was measured at 0.45% and 0.43% ... WebThe normalized CT dose index (CTDI) in air (n CTDI: 22.81 mGy and 100 mAs and 22.28 mGy and 100 mAs for dual-source mode ) and the weighted CTDI (n CTDI w: 7.56 mGy and 100 mAs and 7.15 mGy and 100 mAs for the dual-source mode ) were measured in a polymethylmethacrylate (PMMA) body phantom at 120 kV. Before applying the new … WebMar 18, 2015 · Because of the different attenuations of tissues at different energy levels, dual-energy CT offers tissue differentiation and characterization, reduction o Skip to … laget surahammar