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Axial DECT images of a 90-year-old woman with liver cirrhosis and portal vein thrombosis (arrow). Noise-optimized virtual monoenergetic imaging (VMI+) series at 40 keV (A) show higher vascular attenuation of the portal vein and a better delineation of the thrombus compared to 60 keV VMI+ (B), 60 keV VMI (C), and standard linearly blended M_0.6 images (D). On color duplex ultrasonography, some color signals are visible within the boundaries of the thrombus (E).
