肺结核的发病率近年已明显减少，随着人们对肺结核认识的提高和X光机的普及，误诊率也明显下降;但产后患肺结核的病人却相对增多，误诊情况仍较突出。1986年1且至1993年12月间，在外院（第一就诊单位，主要是乡镇卫生院和村卫生室）误诊1月以上并最终在本院确诊为肺结核者有28 The incidence of tuberculosis has been significantly reduced in recent years. With the increasing awareness of tuberculosis and the popularity of X-ray machines, the misdiagnosis rate also dropped significantly. However, the number of patients with post-natal tuberculosis is relatively increased, and the misdiagnosis is still outstanding. Between January 1986 and December 1993, 28 people who had been misdiagnosed as over 1 month in the outer court (primary care unit, mainly township hospitals and village clinics) and finally diagnosed as tuberculosis in our hospital