期刊
WORLD JOURNAL OF GASTROENTEROLOGY
卷 12, 期 4, 页码 546-552出版社
W J G PRESS
DOI: 10.3748/wjg.v12.i4.546
关键词
liver neoplasms; hepatocellular carcinoma; hepatectomy; percutaneous ablation; prognosis; multivariate analysis
AIM: To determine which treatment modality hepatectomy or percutaneous ablation - is more beneficial for patients with small hepatocellular carcinoma (HCC) (<= 4 cm) in terms of long-term outcomes. METHODS: A retrospective analysis of 149 patients with HCC <= 4 cm was conducted. Eighty-five patients underwent partial hepatectomy (anatomic in 47 and non-anatomic in 38) and 64 underwent percutaneous ablation (percutaneous ethanol injection in 37, radiofrequency ablation in 21, and microwave coagulation in 6). The median follow-up period was 69 mo. RESULTS: Hepatectomy was associated with larger tumor size (P<0.001), whereas percutaneous ablation was significantly associated with impaired hepatic functional reserve. Local recurrence was less frequent following hepatectomy (P<0.0001). Survival was better following hepatectomy (median survival time: 122 mo) than following percutaneous ablation (median survival time: 66 mo; P = 0.0123). When tumor size was divided into <= 2 cm vs > 2 cm, the favorable effects of hepatectomy on long-term survival was seen only in patients with tumors >2 cm (P=0.0001). The Cox proportional hazards regression model revealed that hepatectomy (P=0.006) and tumors <= 2 cm (P=0.017) were independently associated with better survival. CONCLUSION: Hepatectomy provides both better local control and better long-term survival for patients with HCC <= 4 cm compared with percutaneous ablation. Of the patients with HCC <= 4 cm, those with tumors > 2 cm are good candidates for hepatectomy, provided that the hepatic functional reserve of the patient permits resection. (C) 2006 The WJG Press. All rights reserved.
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