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Axial images in a 51-year-old woman. Images acquired with (a) EID and (b) PCD show no significant difference in qualitative image analysis. Multienergy analysis of contrast-enhanced PCD CT images: (c) a virtual noncontrast image, (d) an iodine concentration map, and (e) an iodine map superimposed on the virtual noncontrast image; the blue circles represent the ROI used for contrast-to-noise ratio calculation.
