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目的：探讨细针穿刺细胞学诊断在肺及纵隔肿瘤手术中的应用价值。方法：对79例肺部肿块、12例纵隔肿瘤术中应用细针穿刺细胞学诊断，并与术后病理结果对照。结果：肺部肿块细胞学诊断准确率为97．5％（77／79），细胞类型诊断准确率为93％（55／59），纵隔肿瘤细胞学诊断准确率为100％。结论：对未定性的肺及纵隔肿瘤本操作具有容易、安全，快速和无非发症的优点，可避免盲目进行扩大肺组织切除，尽最大限度保留健康肺组织。
Objective: To investigate the value of fine needle aspiration cytology in the diagnosis of lung and mediastinal tumors. Methods: A total of 79 cases of pulmonary masses and 12 cases of mediastinal tumors were treated with fine needle aspiration cytology and compared with postoperative pathological results. Results: The accuracy of cytological diagnosis of pulmonary masses was 97.5% (77/79). The diagnostic accuracy of cell types was 93% (55/59). The accuracy of cytological diagnosis of mediastinal tumors was 100%. Conclusions: This method has the advantages of easy, safe, rapid and non-arrhythmia in the treatment of undetermined lung and mediastinal tumors. It can avoid blindly expanding lung tissue resection and maximize the retention of healthy lung tissue.