A case of Budd-Chiari syndrome is presented in which computed tomography (CT) and ultrasonography suggested the correct diagnosis and excluded adjacent tumor as the cause of hepatic vein occlusion. The CT appearance in this case (homogeneously increased attenuation of an enlarged caudate lobe) differed from the appearance previously reported (patchy liver enhancement) in Budd-Chiari syndrome. Underlying mechanisms responsible for the different CT appearance are discussed.
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Yang et al. (1983) studied this question.