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Erschienen in:
04.11.2016 | Original Article
Distinct Recurrence Risk Factors for Intrahepatic Metastasis and Multicenter Occurrence After Surgery in Patients with Hepatocellular Carcinoma
Erschienen in: Journal of Gastrointestinal Surgery | Ausgabe 2/2017
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Background and Objectives
Intrahepatic recurrence after hepatectomy for hepatocellular carcinoma (HCC) includes intrahepatic metastasis (IM) and multicenter occurrence (MO). The risk factors for these two types of intrahepatic recurrence have not been well defined.
Methods
The type of intrahepatic recurrence was determined based on histopathological features of 93 HCC patients who underwent a repeat hepatectomy for recurrent HCC. Various clinical and pathological factors were analyzed to define distinct risk factors for different types of intrahepatic recurrence.
Results
The recurrence rates at 1, 2, 3, 5, and 8 years postoperatively were 22.4, 42.9, 61.2, 85.7, and 100 %, respectively, in patients with IM and 5.0, 25.0, 45.5, 67.5, and 100 %, respectively, in patients with MO (p = 0.005). A total of 16 clinical and pathological factors were tested in univariable and multivariable analyses. We found that large-size tumor (>5 cm), multiple tumors (two or more), and vascular invasion were significantly associated with IM recurrence, and liver cirrhosis and Ishak hepatic inflammatory activity were highly associated with MO recurrence. In addition, blood transfusion and a high hepatitis B virus (HBV)-DNA load (>2000 IU/ml) were independent risk factors common to both IM and MO recurrences.
Conclusions
IM and MO recurrences were associated with distinct risk factors, while blood transfusion and high HBV-DNA load (>2000 IU/ml) were independent risk factors common to both IM and MO recurrences.