Clinical value of contrast-enhanced ultrasound in early diagnosis of small hepatocellular carcinoma (≤ 2 cm)

Figure 4 Representative images of contrast-enhanced ultrasound and pathological specimen from an 11-year-old child. A: A hyperechoic nodule (arrow) shown in the right lobe of the liver in the arterial phase (18 s); B: The same nodule was visualized in the delayed phase (128 s); C: The pathological specimen after surgery resection displayed a tumor (wide diameter 10 mm, long diameter 18 mm). Enhancement during time: 130 s.