Tao Zhang1, Yong Zeng2, Jiwei Huang1, Mingheng Liao1, Hong Wu1. 1. Department of Liver Surgery and Liver Transplantation Centre, West China Hospital of Sichuan University, Chengdu, China. 2. Department of Liver Surgery and Liver Transplantation Centre, West China Hospital of Sichuan University, Chengdu, China. Electronic address: zhangtaomd629@gmail.com.
Abstract
BACKGROUND: Bilobar hepatocellular carcinoma (HCC) is not rare and curative resection often cannot be achieved. However, the long-term results of nonsurgical treatments remain unsatisfactory. This study investigates the safety, efficacy, and long-term outcome of hepatic resection (HR) and resection combined with radiofrequency ablation (RFA) in treating patients with bilobar HCC. MATERIALS AND METHODS: A retrospective study of 364 patients with bilobar HCC was carried out. Among them, 89 received HR, 114 received resection combined with RFA, and 161 received transarterial chemoembolization (TACE). The clinicopathologic parameters, surgical results, long-term outcomes, and prognostic factors were analyzed. RESULTS: The median follow-up time was 28 mo (range, 3-84 mo). The 1-, 3-, 5-y overall survival rates were better after HR and resection combined with RFA than those of patients after TACE, that is, 78.9%, 49.4%, and 34.4%; 70.7%, 40.7%, and 22.3%; and 47.2%, 17.4%, and 8.6%, respectively (P < 0.001). Overall survival and recurrence-free survival rates were comparable between the two surgical groups. Child-Pugh stage, liver cirrhosis, and tumor number were identified as significant prognostic factors for overall survival by using the multivariate Cox model. CONCLUSIONS: HR combined with RFA provided a chance for cure to patients with bilobar HCC who were traditionally deemed unresectable and yielded better long-term outcomes than TACE in a subset of patients. With preserved liver function, patients can receive aggressive treatment and survival could be prolonged.
BACKGROUND: Bilobar hepatocellular carcinoma (HCC) is not rare and curative resection often cannot be achieved. However, the long-term results of nonsurgical treatments remain unsatisfactory. This study investigates the safety, efficacy, and long-term outcome of hepatic resection (HR) and resection combined with radiofrequency ablation (RFA) in treating patients with bilobar HCC. MATERIALS AND METHODS: A retrospective study of 364 patients with bilobar HCC was carried out. Among them, 89 received HR, 114 received resection combined with RFA, and 161 received transarterial chemoembolization (TACE). The clinicopathologic parameters, surgical results, long-term outcomes, and prognostic factors were analyzed. RESULTS: The median follow-up time was 28 mo (range, 3-84 mo). The 1-, 3-, 5-y overall survival rates were better after HR and resection combined with RFA than those of patients after TACE, that is, 78.9%, 49.4%, and 34.4%; 70.7%, 40.7%, and 22.3%; and 47.2%, 17.4%, and 8.6%, respectively (P < 0.001). Overall survival and recurrence-free survival rates were comparable between the two surgical groups. Child-Pugh stage, liver cirrhosis, and tumor number were identified as significant prognostic factors for overall survival by using the multivariate Cox model. CONCLUSIONS: HR combined with RFA provided a chance for cure to patients with bilobar HCC who were traditionally deemed unresectable and yielded better long-term outcomes than TACE in a subset of patients. With preserved liver function, patients can receive aggressive treatment and survival could be prolonged.
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