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本文以ＣＴ／ＭＲＩ扫描结果为标准，分析１５０例纵隔Ｂ超检查结果，探讨Ｂ超检查纵隔淋巴结的价值，参照美国胸科协会的分区法，将纵隔淋巴结分为８个区。正常情况下５区、８区不能被显示，其它各区显示满意者占８１％～９７％，以上段气管旁区最高（９７％）。Ｂ超扫描对纵隔各区淋巴结检出率为３３％～９３％，以上段气管旁最高，右侧９３％，左侧８８％）。假阴性的主要原因是部分患者的某些纵隔区不能满意显示。作者认为Ｂ超是ＣＴ、ＭＲＩ的一种有意义的辅助手段；Ｂ超扫描对肺癌Ｎ分期及淋巴瘤分期价值下大，对随诊食管，贲门癌患者气管食管沟淋巴结转移有帮助，对淋巴结肿瘤的疗效观察、疗后残留肿块的性质判断及疗后随诊有一定意义。
In this paper, the results of CT / MRI scan as the standard analysis of 150 cases of mediastinoscopy B ultrasound examination of B-ultrasound in the value of mediastinal lymph nodes, with reference to the American Thoracic Society zoning method, the mediastinal lymph nodes are divided into eight regions. Under normal circumstances, District 5, District 8 can not be displayed, the satisfaction of other districts showed 81% ~ 97%, the highest tracheal area (97%). B-scan on the mediastinum lymph node detection rate was 33% to 93%, the highest trachea in the above paragraph, right 93%, left 88%). The main reason for false negative is that some of the mediastinal regions of patients can not be satisfactorily displayed. The authors believe that B ultrasound is a CT and MRI of a useful adjunct; B-scan of lung cancer N staging and lymphoma stage value is large, follow-up of esophageal and gastric cardia patients with tracheal gastrointestinal ditch lymph node metastasis helpful, lymph nodes The observation of the curative effect of the tumor, the nature of the residual tumor after treatment and follow-up after treatment have some significance.