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目的使用2450MHz微波辐射天线,在CT引导下经皮肺穿刺,对肺癌进行热凝损毁,观察该微创方法对肺癌的作用疗效。方法23例肺癌患者在局麻或静脉复合麻醉下,用微波微型穿刺天线在CT引导下经皮直接穿刺入肺癌瘤体内,对其进行热凝固。结果23例患者共28个瘤体,直径<3cm的肿块12个(占42·9%),能一次手术热凝损毁,其中9个(占75%)经CT随访6~12个月,提示瘤体热损毁未见复发;>3cm肿块16个(占57·1%)分两次手术,术后6个月CT提示16个肿瘤中8个热凝损毁(50%),8个大部分热凝损毁(50%)。并发症主要为气胸,气胸<30%8例,>30%的5例。结论该技术治疗肺癌,对直径<3cm瘤体疗效可靠,>3·0cm瘤体仍具有大部分或完全热损毁的作用。
Objective To use 2450MHz microwave radiating antenna to perform percutaneous lung puncture under the guidance of CT and to perform the thermal coagulation and destruction of lung cancer and to observe the curative effect of this minimally invasive method on lung cancer. Methods Twenty-three patients with lung cancer underwent local anesthesia under local anesthesia or intravenous anesthesia, and then percutaneously punctured into the lung cancer by using the microwave micro-piercing antenna under CT guidance. Results Twenty-eight of the 23 patients had a total of 12 tumors (42.9%) with a diameter of <3 cm. One of the 23 patients (75%) had a history of 6-12 months after CT. Sixteen (57.1%) tumors of> 3 cm were treated in two separate surgeries and six months after surgery, 8 of 16 tumors were found to have had thermal coagulation damage (50%), and most of the 8 Thermal coagulation damage (50%). Complications were mainly pneumothorax, pneumothorax <30% in 8 cases,> 30% in 5 cases. Conclusion The technique of lung cancer treatment, the diameter of <3cm tumor efficacy and reliable,> 3.0cm tumor still has most or completely thermal damage.