Editorial
Copyright ©2010 Baishideng Publishing Group Co.
World J Radiol. Dec 28, 2010; 2(12): 455-462
Published online Dec 28, 2010. doi: 10.4329/wjr.v2.i12.455
Table 3 Typical enhanced-ultrasound pattern in malignant focal liver lesions
Arterial phasePortal phaseLate phase
Hepatocellular carcinomaHyperenhanced due to its arterial vascularizationFast wash-out leaving an iso or hypoenhanced lesionHypoenhanced
CholangiocarcinomaHyperenhanced in the borderIso or hypoenhancedHypoenhanced
Hypervascular metastasisHyperenhanced, usually starting in the margin: ring signIso or hypoenhancedHypoenhanced
Hypovascular metastasisHypoenhancedHypoenhancedHypoenhanced