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Fig. 5C —45-year-old man with cirrhosis. All images are sagittal
sections of left lobe obtained near midline. Color Doppler sonogram, repeated
with gain significantly lower than in A and other parameters unchanged,
now also reveals intrathrombus neovascularity. CT scan confirmed
hepatocellular carcinoma invading left hepatic vein. This case shows that
widespread practice of maximizing color gain until noise develops can lead to
color oversaturation and obscuration of nonocclusive thrombus.
