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  • Title: [Laparoscopic and percutaneous ultrasound guided radiofrequency ablation for hepatocellular carcinoma: a preliminary study].
    Author: Jung MK, Lee JH, Kim TS, Kim HS, Cho CM, Tak WY, Kweon YO, Kim SK, Choi YH, Chung JM.
    Journal: Taehan Kan Hakhoe Chi; 2002 Jun; 8(2):209-17. PubMed ID: 12499807.
    Abstract:
    BACKGROUND/AIMS: Radiofrequency ablation (RFA) is emerging as a new therapeutic method in the management of hepatocellular carcinoma (HCC). We report the results of 64 patients with a follow-up interval of 3 to 19 months. METHOD: Sixty-four patients with 82 nodules underwent ultrasound guided RFA. The mean tumor diameter was 2.5+/-1.0 cm. Laparoscopic ultrasound guided RFA was performed in 38 cases, and percutaneous ultrasound guided RFA in 26 cases. The therapeutic efficacy was evaluated by means of three-phase dynamic abdominal computed tomography (CT) performed within at least one week after ablating. The recurrence was evaluated after treatment by means of abdominal CT and alpha fetoprotein every 3 months. We calculated cumulative recurrence rates, survival rates of patients, and found out complication of RFA. RESULTS: Cumulative recurrence rates in 3, 6, 12 months after RFA was 8.8%, 15.8%, 25.9%. 12 cases were recurred during follow-up. Among them, intrahepatic recurrences were noted in 11 cases, local recurrences in 3 cases. Cumulative survival curves indicated that survival rate was 95% at the third month, 94% at the sixth month, 81% at the twelfth month. After RFA, the alpha fetoprotein level was decreased significantly after 1 month (p<0.05), and serum transaminase levels were transiently elevated (p<0.01) but returned to normal within one week. Complications of RFA were not serious, and resolved spontaneously. CONCLUSION: RFA can be considered a useful new treatment for HCC. Laparoscopic RFA is a useful procedure for the treatment of HCC regardless of its location.
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