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Fig. 8A 77-year-old woman with cirrhosis and hypervascular
20-mm-sized hepatocellular carcinoma (HCC) in right hepatic lobe. Amount of
contrast material administered was 100 mL. Transverse image at level of right
lower segment of liver with scan delay of 10 seconds after trigger showing
dense contrast enhancement in abdominal aorta (asterisk), moderate
enhancement in HCC (arrow), intense enhancement in spleen
(arrowhead), and minimal enhancement in liver parenchyma. Note
sufficient enhancement of HCC and preferable spleen-to-liver contrast
difference, suggesting that this phase is optimal as hepatic artery phase for
detecting hypervascular HCCs.