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World J Radiol. Apr 28, 2022; 14(4): 70-81
Published online Apr 28, 2022. doi: 10.4329/wjr.v14.i4.70
Figure 1
Figure 1 Regenerative nodule. A: Contrast-enhanced ultrasound examination in the arterial phase (29 s after the i.v. injection of contrast agent) shows two millimetric hypoechoic nodules, showing lack of contrast enhancement (right, arrows); B: In the late phase (142 s after the injection) both nodules are isoechoic to the adjacent liver parenchyma.