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Prognostic significance of the worst grade in hepatocellular carcinoma with heterogeneous histologic grades of differentiation

Authors
 Dai Hoon Han  ;  Gi Hong Choi  ;  Kyung Sik Kim  ;  Jin Sub Choi  ;  Young Nyun Park  ;  Seung Up Kim  ;  Jun Yong Park  ;  Sang Hoon Ahn  ;  Kwang-Hyub Han 
Citation
 Journal of Gastroenterology and Hepatology, Vol.28(8) : 1384-1390, 2013 
Journal Title
 Journal of Gastroenterology and Hepatology 
ISSN
 0815-9319 
Issue Date
2013
Abstract
BACKGROUND AND AIM: Although tumor differentiation is a known prognostic factor after the treatment of hepatocellular carcinoma (HCC), there have not been any studies on the prognostic significance of tumor differentiation in HCC with heterogeneous histologic grades. In this study, we attempted to ascertain whether the major or the worst grade in mixed histologic type HCC determines the prognosis after liver resection. METHODS: From January 1996 to March 2010, a total of 724 patients underwent curative resection of HCC at Yonsei University Health System, Korea. Of those, we excluded 99 patients who had total necrosis because of previous treatment. Among the remaining 625 patients, we compared the homogeneous moderately differentiated group (HG2, n = 241), mixed histologic grades with the worst component as poorly differentiated group (M2, n = 142), and homogeneous poorly differentiated group (HG3, n = 156). The clinicopathologic features, disease-free survival (DFS) and overall survival (OS) in each group were analyzed. RESULTS: The DFS and OS were significantly lower in M2 than in HG2 (P = 0.004 and 0.025, respectively) whereas those of M2 were not significantly different from HG3. There were no significant differences in the clinicopathologic features of each group except that microvascular invasion was more frequently observed in M2 than in HG2. On multivariate analysis, being in the worst histologic group (M2 and HG3) was an independent poor prognostic factor for DFS and OS (P = 0.028 and < 0.001, respectively). CONCLUSIONS: In patients with advanced histologic grade, the worst histologic grade may determine the prognosis after curative resection of HCC.
Full Text
http://onlinelibrary.wiley.com/doi/10.1111/jgh.12200/abstract
DOI
10.1111/jgh.12200
Appears in Collections:
1. College of Medicine (의과대학) > Dept. of Surgery (외과학교실) > 1. Journal Papers
1. College of Medicine (의과대학) > Dept. of Pathology (병리학교실) > 1. Journal Papers
1. College of Medicine (의과대학) > Dept. of Internal Medicine (내과학교실) > 1. Journal Papers
Yonsei Authors
김경식(Kim, Kyung Sik) ORCID logo https://orcid.org/0000-0001-9498-284X
김승업(Kim, Seung Up) ORCID logo https://orcid.org/0000-0002-9658-8050
박영년(Park, Young Nyun) ORCID logo https://orcid.org/0000-0003-0357-7967
박준용(Park, Jun Yong) ORCID logo https://orcid.org/0000-0001-6324-2224
안상훈(Ahn, Sang Hoon) ORCID logo https://orcid.org/0000-0002-3629-4624
최기홍(Choi, Gi Hong) ORCID logo https://orcid.org/0000-0002-1593-3773
최진섭(Choi, Jin Sub)
한광협(Han, Kwang-Hyub) ORCID logo https://orcid.org/0000-0003-3960-6539
한대훈(Han, Dai Hoon) ORCID logo https://orcid.org/0000-0003-2787-7876
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URI
https://ir.ymlib.yonsei.ac.kr/handle/22282913/88201
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