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目的:探讨经皮射频消融(PRFA)对肝脏恶性肿瘤的治疗效果。方法:利用RF-2000~(TM)肿瘤射频治疗系统,在B超或CT引导下对55例肝恶性肿瘤患者73个肿块进行经皮肝穿刺射频热凝治疗,并用B超及CT检查以了解PRFA治疗效果。结果:PRFA治疗后60.9％(42/69)的肿块血供消失,61.6％(45/73)的肿块呈完全凝固性坏死。其中直径小于3 cm中的20个肿块(另4个治疗前即无血供)全部血供消失(100％),24个肿块呈完全凝固性坏死(10％);直径为3～5 cm的18个肿块中16个血供消失(88.9％),14个完全凝固性坏死(77.8％);而直径大于5 cm的肿瘤则治疗后肿块血供完全消失及完全凝固性坏死率均显著降低。肿瘤直径小于5 cm的患者生存期较长。结论:集束电极PRFA治疗肝脏恶性肿瘤创伤小,安全,疗效可靠。肿瘤越小治疗效果越好。
Objective: To investigate the effect of percutaneous radiofrequency ablation (PRFA) on the treatment of hepatic malignancies. Methods: Radiofrequency thermocoagulation was performed on 73 tumors of 55 patients with hepatic malignancy under the guidance of B-mode ultrasonography or CT with RF-2000 TM tumor radiofrequency ablation system. PRFA treatment effect. Results: 60.9% (42/69) of the blood supply disappeared after PRFA treatment, and 61.6% (45/73) of the tumors showed complete coagulation necrosis. Among them, the blood supply disappeared (100%) in 20 of less than 3 cm in diameter (the other 4 blood donors before treatment), complete coagulation necrosis (10%) in 24 tumors, and the diameter of 3 ~ 5 cm Of the 18 tumors, 16 showed complete disappearance of blood supply (88.9%) and 14 completely coagulative necrosis (77.8%). However, tumors with a diameter of more than 5 cm had a complete disappearance of blood supply and complete coagulation necrosis after treatment. Patients with tumor diameters less than 5 cm have longer survival. Conclusion: The bundled electrode PRFA is a safe, effective and safe method for the treatment of liver malignant tumors. The smaller the tumor, the better the treatment effect.