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- W3107331983 abstract "ObjectiveTo compare nodule enhancement on subtraction CT iodine maps to that on dual-energy CT iodine maps using CT datasets acquired simultaneously.MethodsA previously-acquired set of lung subtraction and dual-energy CT maps consisting of thirty patients with 95 solid pulmonary nodules (≥4 mm diameter) was used. Nodules were annotated and segmented on CT angiography, and mean nodule enhancement in the iodine maps calculated. Three radiologists scored nodule visibility with both techniques on a 4-point scale.ResultsMean nodule enhancement was higher (p < 0.001) at subtraction CT (34.9 ± 12.9 HU) than at dual-energy CT (25.4 ± 21.0 HU). Nodule enhancement at subtraction CT was judged more often to be “highly visible” for each observers (p < 0.001) with an area under the curve of 0.81.ConclusionsSubtraction CT is able to depict iodine enhancement in pulmonary nodules better than dual-energy CT." @default.
- W3107331983 created "2020-12-07" @default.
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- W3107331983 date "2021-01-01" @default.
- W3107331983 modified "2023-10-14" @default.
- W3107331983 title "Pulmonary nodule enhancement in subtraction CT and dual-energy CT: A comparison study" @default.
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- W3107331983 doi "https://doi.org/10.1016/j.ejrad.2020.109443" @default.
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