儿童结核病往往很难找到病原学证据,因此,需要在确立诊断之前进行仔细的鉴别诊断,并对所取得的临床资料进行综合分析判断。下面就支气管淋巴结结核的鉴别诊断进行讨论。1感染结核菌的证据1.1细菌学证据取得细菌学证据是确诊的标准,但痰涂片寻找结核杆菌的阳性率不超过15%[1-2], Pediatric tuberculosis is often difficult to find etiological evidence, therefore, the need for careful diagnosis before the establishment of differential diagnosis, and the clinical data obtained by a comprehensive analysis to determine. The following bronchial lymph node tuberculosis differential diagnosis is discussed. 1 evidence of infection with tuberculosis 1.1 Bacteriological evidence to obtain bacteriological evidence is confirmed by the standard, but the sputum smear to find the positive rate of Mycobacterium tuberculosis does not exceed 15% [1-2],