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目的 :探讨超声引导下经皮肝穿刺冷循环射频 ( PRFA)治疗小肝癌的价值。方法 :10例小肝癌患者 ( 5例男性 ,5例女性 ) ,肿瘤直径 2 .1～ 3 .5 cm ,平均 3 .1cm。肝内的 10个病灶采用超声引导下冷循环射频治疗 ,治疗后一月复查 CT或 MRI。结果 :术后影像学检查显示有 8个病灶完全坏死。有 1例患者出现新的复发灶 ,经再次射频治疗后病灶坏死。随访时间 7～ 16个月 ,患者存活率 90 %。结论 :冷循环射频治疗是一种安全、有效、耐受性好的治疗小肝癌的技术
Objective: To investigate the value of ultrasound-guided percutaneous transhepatic cryogenic radiofrequency (PRFA) in the treatment of small hepatocellular carcinoma. Methods: Ten patients with small hepatocellular carcinoma (5 males and 5 females) had a tumor diameter of 2.1-3.5 cm, an average of 3. 1 cm. 10 intrahepatic lesions were treated with ultrasound-guided cold-cycle radiofrequency ablation and CT or MRI was reviewed in January after treatment. Results: Postoperative imaging revealed complete necrosis of eight lesions. One patient had a new recurrence, and the lesion was necrotic after radiofrequency ablation. Follow-up time of 7 to 16 months, the patient survival rate of 90%. Conclusion: Cold-cycle radiofrequency ablation is a safe, effective and well-tolerated technique for treating small hepatocellular carcinoma