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

Figure 4

The pre- and post-RFA iodine-based images on arterial phase and corresponding slope of the spectral attenuation curves. (a) The iodine-based image before RFA. (b) The slope of the spectral attenuation curve before RFA. (c) The iodine-based image after RFA. (d) The slope of the spectral attenuation curve after RFA.

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