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Yeungnam Univ J Med > Volume 12(2); 1995 > Article
Yeungnam University Journal of Medicine 1995;12(2):400-404.
DOI:    Published online December 31, 1995.
Focal Nodular Hyperplasis in Liver.
Ki Ho Seong, Jae Ho Cho, Jae Chun Chang
Focal nodular hyperplasia is a benign hepatic tumor mainly composed of nodules of hepatocytes and Kupffer cells separated by fibrous septa. In general, it is difficult to differentiate focal nodular hyperplasia and hepatocellular carcinoma on ultrasonography, conventional CT(computerized tomography), and angiography. But IV bolus CT is of particular value in the diagnosis of focal nodular hyperplasia because it can divide enhanced CT into early and late phase and can characterize tumor vascularity and analyze any intratumoral elements. In our case, it was seen as a hypoechoic mass lesion on ultrasonograpl'hy and hyperdense mass lesion on early-phase IV bolus CF and isodense mass, lesion on late-phase IV bolus CT. On angiography, hypertrophy of the feeding artery and tumor staining were well visualized. The patient underwent operation and the mass was pathologically confirmed to a focal nodular hyperplasia. We report the first case of focal nodular hyperplasia on IV bolus CT in Korea.
Key Words: Focal nodular hyperplasia, Liver, IV bolus CT
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