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  • Title: A new systematic classification of peripheral anatomy of the right hepatic duct: experience from adult live liver donor transplantation.
    Author: Radtke A, Sgourakis G, Sotiropoulos GC, Molmenti EP, Nadalin S, Fouzas I, Schroeder T, Saner FH, Cicinnati VR, Schenk A, Malagó M, Lang H.
    Journal: Transplant Proc; 2008 Nov; 40(9):3158-60. PubMed ID: 19010221.
    Abstract:
    OBJECTIVE: The peripheral intrahepatic biliary anatomy, especially at the sectorial level on the right side, has not been adequately described. The purpose of our study was to systematically describe this complex anatomy in clinically applicable fashion. PATIENTS AND METHODS: We analyzed three-dimensional computed tomography (CT) imaging reconstructions of 139 potential living liver donors evaluated at our institution between January 2003 and June 2007. RESULTS: Eighty-nine (64%) donors had a normal right bile duct sectorial anatomy. In the other 50/139 (36%) cases, we observed abnormal sectorial branching patterns, with 45/50 abnormalities as trifurcations, whereas the remaining ones were quadrifurcations. In 22/50 (44%) abnormalities, a linear branching pattern (types B1/C1) and an early segmental origin off the right hepatic duct (types B3/C3) were present, a finding of particular danger when performing a right graft hepatectomy. In 2 cases, we noted a mixed type (B6/C6) of a rare complex anatomy. CONCLUSIONS: Our proposed classification of the right sectorial bile duct system clearly displays the "area at risk" encountered when performing right graft adult live donor liver transplantation and tumor resections involving the right lobe of the liver.
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