目的：探讨磁共振（MRI）和CT引导下微波消融（MWA）技术在肺癌治疗中的应用价值。方法：选取2018年11月至2020年8月在江苏省肿瘤医院行MWA治疗的患者共60例。根据患者所选择的定位方法分为A组（MRI定位）和B组（CT定位）。观察两组患者在治疗时的机器扫描次数，引导治疗的总扫描时间和微波针在病灶中的消融时间。结果：A组患者的机器扫描次数及引导治疗的总扫描时间显著低于B组患者，差异有统计学意义（均P<0.001）。结论：MRI引导的MWA是一种微创治疗肺肿瘤的方法，机器扫描次数少，引导治疗的总扫描时间短，无辐射。

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