Objective To investigate the diagnostic value of combined with bronchial biopsy,brush biopsy,bronchoalveolar lavage fluid, brush washing liquor,and postoperative sputum examination in treatment of patients with lung cancer.Methods 82 patients with pathologically confirmed lung cancer in Respiratory Medicine and Thoracic Surgery of Sheng zhou People's Hospital were collected and analyzed. The detection rates of lung cancer by bronchial biopsy,brush biopsy,bronchoalveolar lavage fluid,brush washing liquor and postoperative sputum examination single and associated material methods were compared.ResultsThe positive rates of bronchial biopsy,brush biopsy,bronchoalveolar lavage fluid, brush washing liquor,and postoperative sputum examination were 74.4%,54.9%,36.6%,43.9% and 2.4% respectively. Combined with 5 kinds of material methods can improve the diagnostic rate of bronchoscopy(93.9%);and the detection rate was significantly higher than a single material method.(P<0.01).Conclusion The electronic bronchoscopy has an important value in diagnosis of lung cancer. Combined with bronchial biopsy, brush biopsy,bronchoalveolar lavage fluid,brush washing liquor,and postoperative sputum examination can improve electronic bronchoscopy’s diagnostic sensitivity of lung cancer.%目的：探讨联合支气管活检、刷检、灌洗、毛刷液基、术后痰检在肺癌中的诊断价值。方法对病理检查结果最终确诊为肺癌的82例患者进行分析，比较支气管活检、毛刷刷检、灌洗液、毛刷液基、术后痰检5种不同取材方法单一及联合取材对肺癌的检出率。结果支气管活检、毛刷刷检、灌洗液、毛刷液基、术后痰检单一取材的阳性率分别74.4%，54.9%，36.6%，43.9%，2.4%，联合5种取材方法可提高电子支气管镜诊断的阳性率（93.9%）且检出率显著高于单一取材方法（P<0.01）。结论电子支气管镜对肺癌的诊断具有重要价值，联合支气管活检、刷检、灌洗、毛刷液基、术后痰检可以提高电子支气管镜对肺癌的诊断率。
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