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在胸腔积液的鉴别诊断中，通过常规检查（包括胸膜活检）仍有19％～23％的病人不能明确诊断［1］。为探讨纤维支气管镜（纤支镜）对不明原因胸水的诊断价值，笔者总结了我院1988～1994年纤支镜检查的不明原因胸水92例，现将结果分析如下。1资料与方法1．1病例选择：（1）反复胸
In the differential diagnosis of pleural effusion, 19% to 23% of patients who are routinely examined (including pleural biopsy) can not be definitively diagnosed [1]. To explore the diagnostic value of bronchoscopy (bronchoscopy) for unexplained pleural effusion, the author summarizes our hospital from 1988 to 1994, bronchoscopy 92 cases of unexplained pleural effusion, the results are as follows. 1 Materials and Methods 1.1 Case Selection: (1) repeated chest