Effects of Gray-Scale Ultrasonography Immediate Post-Contrast on Characterization of Focal Liver Lesions

Figure 7

A 50-year-old man with hepatic metastases from gastric cancer. (a) US pre-CEUS showed multiple hepatic metastases in segment VIII and the largest one had irregular border. (b) US post-CEUS improved the visibility of tumor border and texture and a thin hypoechoic halo which corresponded to the peripheral enhanced zone and appeared at 6 minutes after contrast agent injection.

(a)

(b)