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Spectrum of CT Findings in Pediatric Patients after Partial Liver Transplantation¹

¹ From the Departments of Nuclear Medicine and Diagnostic Imaging (F.A., Y.M., J.K.) and Transplantation and Immunology (K.T.), Graduate School of Medicine, Kyoto University, Kyoto, Japan; and the Department of Radiology, Kyoto University Hospital, 54 Shogoin Kawahara-cho, Sakyo-ku, Kyoto-shi, Kyoto-fu 606-8507, Japan (K.I., T.S.). Presented as a scientific exhibit at the 1999 RSNA scientific assembly. Received March 2, 2000; revision requested May 22 and received June 20; accepted June 26. Address correspondence to K.I. (e-mail: kyo@kuhp.kyoto-u.ac.jp).

Liver transplantation is an accepted therapy for patients with severe liver diseases. In pediatric liver transplantation, the application of reduced-size and split-liver transplantation has expanded the donor pool. The development of living related donor partial liver transplantation has further increased the availability of donors. Complications in patients after living related transplantation include hepatic arterial thrombosis, portal venous stenosis and thrombosis, hepatic venous stenosis, biliary stenosis or leak, biloma formation, fatty liver, extrahepatic fluid collection, posttransplantation lymphoproliferative disorder, and organ rejection. Ultrasonography is the primary imaging modality for evaluation of the vascular system of patients after liver transplantation, and computed tomography is useful to help diagnose hepatic parenchymal abnormalities including infarction, congestion, and fatty change; intrahepatic biliary damage; and extrahepatic disorders, including abnormal fluid collections, varicose veins, and lymphadenopathy.

Index Terms: Liver, CT, 76.1211 • Liver, transplantation, 76.45 • Liver, US, 76.1298 • Transplantation, 76.45

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