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Characteristics of combined hepatocelluar-cholangiocarcinoma and comparison with intrahepatic cholangiocarcinoma

 S.H. Kim  ;  Y.N. Park  ;  J.H. Lim  ;  G.H. Choi  ;  J.S. Choi  ;  K.S. Kim 
 EJSO, Vol.40(8) : 976-981, 2014 
Journal Title
Issue Date
Adult ; Aged ; Bile Duct Neoplasms ; Bile Ducts, Intrahepatic ; Carcinoma, Hepatocellular/diagnosis* ; Carcinoma, Hepatocellular/mortality* ; Carcinoma, Hepatocellular/pathology ; Carcinoma, Hepatocellular/surgery ; Cholangiocarcinoma/diagnosis* ; Cholangiocarcinoma/mortality* ; Cholangiocarcinoma/pathology ; Cholangiocarcinoma/surgery ; Disease-Free Survival ; Female ; Hepatectomy ; Humans ; Liver Neoplasms/diagnosis* ; Liver Neoplasms/mortality* ; Liver Neoplasms/pathology ; Liver Neoplasms/surgery ; Lymphatic Metastasis ; Male ; Medical Records ; Middle Aged ; Neoplasm Invasiveness ; Prognosis ; Republic of Korea/epidemiology ; Retrospective Studies ; Risk Factors ; Sample Size ; Survival Analysis ; Treatment Outcome
Cholangiocarcinoma ; Hepatocellular carcinoma ; Tumor size
BACKGROUND: The 7th American Joint Committee on Cancer (AJCC) currently classifies combined hepatocellular-cholangiocarcinoma (cHCC-CC) and intrahepatic cholangiocarcinoma (ICC) into one category. Study outcomes comparing the two carcinomas have shown contrary results. This study was designed to compare the survival and prognostic factors of both carcinomas.
METHODS:We retrospectively reviewed the medical records of 107 patients with cHCC-CC or ICC who underwent liver resection between January 2000 and December 2009.
RESULTS:Thirty patients (28%) were diagnosed with cHCC-CC, and 77 patients (72%) had ICC. Disease-free survival (DFS) was poorer in the cHCC-CC patients (six months), and the overall survival (OS) durations were similar (p = 0.477) between cHCC-CC (58 months) and ICC (45 months) patients. A tumor size larger than 5 cm, vascular invasion and lymph node (LN) metastasis were prognostic factors in all patients. However, tumor size and LN metastasis in cHCC-CC patients and carbohydrate antigen 19-9, differentiation and LN metastasis in ICC patients were found to be independent prognostic factors.
CONCLUSIONS:Patients with cHCC-CC showed poorer DFS and similar OS rates compared to those with ICC. Our study revealed different prognostic factors in cHCC-CC. To understand more accurately cHCC-CC's prognosis, difference of genetic characteristics and tumor biology should be further evaluated.
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1. College of Medicine (의과대학) > Dept. of Pathology (병리학교실) > 1. Journal Papers
1. College of Medicine (의과대학) > Dept. of Surgery (외과학교실) > 1. Journal Papers
Yonsei Authors
Kim, Kyung Sik(김경식) ORCID logo https://orcid.org/0000-0001-9498-284X
Park, Young Nyun(박영년) ORCID logo https://orcid.org/0000-0003-0357-7967
Lim, Jin Hong(임진홍)
Choi, Gi Hong(최기홍) ORCID logo https://orcid.org/0000-0002-1593-3773
Choi, Jin Sub(최진섭)
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