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KMID : 0870420080120040222
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Korean Journal of Hepato-Biliary-Pancreatic Surgery
2008 Volume.12 No. 4 p.222 ~ p.231
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The Risk Factors for the Intrahepatic Recurrence of Hepatocellular Carcinoma after Curative Resection
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Kim Gang-Mi
Kang Chang-Moo
Choi Gi-Hong
Choi Jin-Sub
Lee Woo-Jung
Park Young-Nyun
Chon Chae-Yoon
Park Jun-Yong
Han Kwang-Hyub
Kim Do-Young
Kim Dong-Hyun
Han Dai-Hoon
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Abstract
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Purpose: Intrahepatic recurrent HCC has been classified according to location, the time to recurrence and the pattern of presentation. The purpose of this study is to classify intrahepatic recurrent HCCs into subgroups that have relatively similar recurrent patterns and to identify the risk factors for each recurrent type.
Methods: A total of 353 patients were retrospectively studied. Intrahepatic recurrent HCC was classified into nodular recurrence (<4 nodules; type I), multinodular-diffuse recurrence (≥4 nodules; type II) and infiltrative recurrence (type III). The cut-off time between early and late recurrence was chosen to be 12 months following hepatectomy.
Results: Among the 134 patients with only intrahepatic recurrence, 94 were type I, 27 were type II and 13 were type III. The median survival time following the recurrence of types I, II and III were 55, 16 and 8 months, respectively. As determined by multivariate analysis, perioperative transfusion and indocyanine green retention at 15 minutes (ICG R 15 >10%) were the independent risk factors for type I; an ICG R 15>10%, microvessel invasion and intrahepatic metastasis were the independent risk factors for type II; an ICG R 15>10% and microscopic portal vein invasion were the independent risk factors for type III. Multivariate analysis revealed that the prognosis of patients with IHR was associated with the recurrent types, the time to recurrence and the serum albumin level at the initial presentation. Following multivariate analysis, an ICG R 15>10% and intrahepatic metastasis were the independent risk factors for early type I recurrence; perioperative transfusion and a higher grade of hepatitis activity were the independent risk factors for late type I recurrence.
Conclusions: The recurrent types and the time to recurrence may help us to predict the cellular origin of intrahepatic recurrent HCC and the prognosis of the patients who suffer with intrahepatic recurrent HCC.
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KEYWORD
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Hepatocellular carcinoma, curative resection, intrahepatic recurrence, risk factor, prognosis
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