目前,肺癌锁骨上淋巴结转移的界定暂无明确统一的标准,本研究旨在通过彩超引导下行锁骨上淋巴结活检术,进而判断其临床意义。1资料与方法1.1临床资料收集我院2009年3月至2011年3月114例肺癌患者为研究对象。其中男性80例,女性34例。年龄32~85岁。所有病例均由组织病理学证实,组织学类型按WHO标准分类:鳞癌42例,腺癌47例,小细胞癌15例,腺 At present, there is no clear and uniform standard for the definition of supraclavicular lymph node metastasis in lung cancer. The purpose of this study is to guide the descending supraclavicular lymph node biopsy through color Doppler ultrasonography and to determine its clinical significance. 1 Materials and Methods 1.1 Clinical data collected in our hospital from March 2009 to March 2011 114 cases of lung cancer patients for the study. Including 80 males and 34 females. Age 32 ~ 85 years old. All cases were confirmed by histopathology, histological types according to WHO standards: 42 cases of squamous cell carcinoma, 47 cases of adenocarcinoma, 15 cases of small cell carcinoma,