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Effects of CT guided microwave ablation on refractory liver metastases of colorectal cancer
Author(s): 
Pages: 2565-2567
Year: Issue:  15
Journal: The Journal of Practical Medicine

Keyword:  结直肠肿瘤肝肿瘤微波消融转移CT引导;
Abstract: 目的:探讨CT引导经皮穿刺微波消融治疗难治性结直肠癌肝转移的临床疗效.方法:26例化疗无效的结直肠癌肝转移患者,在CT引导下行经皮穿刺肝转移瘤微波消融治疗,微波频率2 450 MHz,输出功率20 ~ 80 W,持续时间5~ 30 min.治疗后3个月复查肝脏增强CT或MRI,评价肝转移瘤的疗效.结果:共治疗51次,治疗肿瘤数目46个.21例患者肝脏肿瘤的最大长径总和减少,其中4例患者肿瘤消失,13例患者肿瘤的最大长径总和减少30%以上,有效率(CR+ PR)为65.4%,疾病控制率(CR+ PR+ SD)为80.8%,CT或MRI表现为病灶密度减低或出现气化灶.微波消融后1、2、3年的累计生存率分别为73.1%(19例)、53.8%(14例)、26.9%(7例),中位生存期为21个月.结论:CT引导经皮穿刺微波消融治疗难治性结直肠癌肝转移微创、有效.
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