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CEUS LR-4.
Notes: (A) A 12 mm hypoechoic nodule on B-mode ultrasound. (B) The entire nodule shows hyperenhancement in the arterial phase. (C) At 2 minutes, the nodule is isoenhancing compared with the surrounding liver parenchyma. (D) The nodule remains isoenhancing at 5.5 minutes without washout. Arrows show to the outline of the nodule.
Abbreviation: CEUS, contrast-enhanced ultrasound.
