Simplified liver imaging reporting and data system for the diagnosis of hepatocellular carcinoma on gadoxetic acid-enhanced magnetic resonance imaging

Figure 3 Gadoxetic acid-enhanced magnetic resonance image of a 67-year-old female patient with hepatocellular carcinoma confirmed by biopsy. A: T1WI showing a 12 mm hypointense nodule (arrow) in hepatic segment VII; B: The nodule (arrow) exhibits arterial phase hyperenhancement; C: It has an enhanced “capsule” and no washout appearance on the portal vein phase image; D and E: In the transitional phase (D) and hepatobiliary phase (HBP) (E), the nodule (arrow) exhibited hypointensity. This nodule was assessed with liver imaging reporting and data system-4 (LR-4) according to whether liver imaging reporting and data system (LI-RADS) version 2018 or simplified LI-RADS (sLI-RADS) D was adopted. When HBP hypointensity was used as a major feature and according to sLI-RADS D, the nodule was recategorized as LR-5.