目的：分析原发性气管肿瘤的误诊原因，提高早期诊断率。
Objective: to analyze the cause of misdiagnosis of primary tracheal neoplasms and to improve the diagnosis rate.
方法：回顾性分析在68例原发性气管肿瘤诊治中纤维支气管镜的应用。
Methods: Retrospective analysis of the application of fiber bronchoscope in 68 cases of PTTs.
报告10例原发性气管肿瘤的临床资料，通过对典型病例的分析，找出误诊的原因。
The clinical data of 10 cases of primary tracheal neoplasms were analyzed to find out the cause of misdiagnosis.
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