作者对最近10年间经直接涂片染色和培养法证实的246例肺结核病例进行了回忆分析，发现93％（229／246）病人疾中涂片染色法（＋），而且绝大多数经培养证实的肺结核病例，都可在第一次或第二次的痰标本涂片染色中检出结核杆菌，而第三次以后的痰标本则很少有诊断价值。多次痰标 The authors performed a recall analysis of 246 tuberculosis cases confirmed by direct smear and culture in the past 10 years and found that smear staining (+) was found in 93% (229/246) of patients and most of them were confirmed by culture Of cases of tuberculosis can be detected in the first or second sputum smear smear mycobacterium tuberculosis, sputum specimens after the third and subsequent seldom have diagnostic value. Multiple sputum mark