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目的 :探讨超声在冷循环射频消融 (Cool- tip radio frequence ablation,RFA)治疗肝癌中的应用。方法 :在超声的引导和观察下进行肝癌的冷循环 RFA治疗 ,观察治疗前后肿瘤的声像图改变 ,解决治疗中出现的问题 ,以探寻最佳的治疗方案。结果 :术中患者症状较轻 ,术后无出血和漏胆等严重并发症 ,肿瘤毁损区域的声像图表现为片状强回声 ,血流信号消失 ,部份患者的 AFP不同程度降低。结论 :冷循环 RFA治疗肝癌安全 ,并发症少 ,但对较大肿瘤的治疗效果有限
Objective: To explore the application of ultrasound in the treatment of liver cancer with cold-tip radio-frequency ablation (RFA). Methods: RFA treatment of cold circulation of liver cancer was performed under the guidance and observation of ultrasound, the changes of the tumor before and after treatment were observed, and the problems in the treatment were solved to find out the best treatment plan. Results: The intraoperative patients had mild symptoms and no postoperative bleeding, bleeding and other serious complications. The echocardiographic findings in the lesioned area showed patchy echogenicity and the blood flow signal disappeared. The AFP in some patients decreased to some extent. CONCLUSIONS: Cold-circulating RFA is safe for liver cancer with fewer complications, but limited in the treatment of larger tumors