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Fig. 9 —69-year-old man with cirrhosis and hypervascular-sized
hepatocellular carcinoma (HCC) 25 mm in right hepatic lobe. Amount of contrast
material administered was 136 mL. Transverse image at level of porta hepatis
with scan delay of 5 seconds after trigger shows dense contrast enhancement in
abdominal aorta (asterisk) and proximal hepatic arterial branches
(small arrows), moderate enhancement in spleen (arrowhead),
mild enhancement of HCC (large arrow), and minimal enhancement in
liver parenchyma and portal trunk (curved arrow). Note insufficient
HCC and spleen enhancement, suggesting that timing is somewhat premature as
hepatic arterial phase for detecting hypervascular HCCs, but that this phase
is optimal for 3D CT angiography reconstruction.
