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诊断提高肺癌特别是早期肺癌的诊断水平是提高肺癌治愈率和降低死亡率的关键之一,近年来受到很大重视。由于纤维光导支气管镜的性能不断改进,使受检范围不断扩大,现已可深及第五级支气管。无论中心型肺癌或周围型肺癌均可取得标本。若加用甲苯胺兰使癌灶粘膜染色,则可提高标本采集的准确性,使其成为肺癌特别是早期肺癌的重要确诊工具.用于痰细胞学阳性而 X-线检查阴
Diagnosis to improve the diagnosis of lung cancer, especially early-stage lung cancer, is one of the keys to improving the cure rate of lung cancer and reducing mortality. It has received great attention in recent years. As the performance of fiberoptic bronchoscopes continues to improve, the scope of inspections has continued to expand and is now available to the fifth bronchus. Regardless of central lung cancer or peripheral lung cancer, specimens can be obtained. If toluidine blue is used to stain cancerous lesions, the accuracy of specimen collection can be improved, making it an important diagnostic tool for lung cancer, especially early-stage lung cancer. It is used for sputum cytology positive and X-ray examination negative.