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Fig. 2B —Transverse dynamic CT images in 76-year-old man with hepatic abscess. This regional parenchymal hyperattenuation returned to normal during portal venous phase. Note stenosis (open arrows, B) and thrombosis (curved arrow, C) of left portal vein in contact with abscess (a in C). Note also periportal low-attenuation cuff, which extends to other hepatic regions. Arrowhead in C indicates hepatic artery at segment II, white arrows indicate wall or septation of abscess.