超声在冷循环射频治疗肝癌中的临床价值

Clinical values of ultrasonography on cold circulation radiofrequency ablation of liver cancer

目的 :探讨超声在冷循环射频治疗肝癌中的临床价值。方法 :应用冷循环射频电极对 5 5例中小肝癌共 6 7个病灶进行毁损治疗。经皮超声引导穿刺治疗 4 5例 ,术中超声加直视治疗 10例。术中超声进行实时监测 ,术后利用超声 ,CT进行监测追踪。结果 :病灶完全坏死率为 5 9.7% ( 4 0 / 6 7) ,血流信号完全消失82 .1% ( 4 6 / 5 6 ) ,部分消失 17.9% ( 10 / 5 6 )。结论 :射频毁损治疗是对目前以手术为主多种方法并举的综合治疗肝癌的一个重要补充 ,超声不但能准确引导定位 。

Objective:To evaluate the clinical values of ultrasonography on radiofrequency ablations(RFA) of liver cancers.Methods:Sixty seven foci of 50 liver cancers were treated by CRFA.Results:The mean time of therapy with RFA was 12 minutes. After treatment,total necrosis was observed in 40 nodules(59.7%) and blood flow signal of the tumors disappeared in 46 sites(82.1%).Conclusion:Ultrasound-guided radiofrequency ablation of hepatic cancer with cooled-tip electrodes is effective and safe. Ultrasonography can correctly guide the RF electrodes to tumors and be helpful to the advance of the course of treatment and postoperative supervision.