Dual-Energy Computed Tomography Imaging in Early-Stage Hepatocellular Carcinoma: A Preliminary Study

Figure 1

The CT values of hepatocellular carcinoma lesions decreased at different energy levels. (a) The arterial phase image at 70 keV. (b) The arterial phase iodine-based image at 70 keV. (c) Spectral curve of lesion on arterial phase. (d) The portal venous phase image at 70 keV. (e) The portal venous phase iodine-based image at 70 keV. (f) Spectral curve of lesion on portal venous phase.

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