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Expanded criteria for liver transplantation in patients with hepatocellular carcinoma

Authors


Professor Francis Y. Yao, Department of Clinical Medicine and Surgery, University of California, San Francisco, 513 Parnassus Avenue, Room S-357, San Francisco, CA 94143-0538, USA. Email: yaofyk@itsa.ucsf.edu

Abstract

Following the seminal publication by the group from Milan, Italy using a restrictive set of criteria for orthotopic liver transplantation in patients with hepatocellular carcinoma to limit the risk for tumor recurrence, excellent 5-year patient survival of greater than 70% after liver transplantation has been reported from many centers using criteria similar to or slightly exceeding the Milan criteria (single lesion of ≤5 cm, or 2–3 lesions of ≤3 cm). The growing experience and success of orthotopic liver transplantation for HCC have also fueled controversies related to expansion of conventional criteria for cadaveric or living-donor liver transplantation based on tumor size and number. The limitations of imaging studies, exemplified by tumor under-staging in up to 25% of patients,have been a major concern for liberalizing the current criteria for liver transplantation. The University of California, San Francisco criteria (single lesion of ≤6.5 cm, or 2–3 lesions of ≤4.5 cm with a total tumor diameter ≤8 cm) have been independently tested in several studies, and undergone prospective evaluation based on preoperative imaging. This article provides an in-depth review of published data on expansion of current criteria for liver transplantation.

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