我科结核病室1980年1月～1986年4月共收治肺中下叶结核47例,其中男30例,女17例;平均年龄22岁。均属浸润型肺结核。初治36例,复治11例。常见症状为咳嗽、咳痰和咯血。体征以病变区叩浊,呼吸音减弱和细湿罗音为多见。痰涂片查抗酸杆菌全部阳性。X线胸片病变仅限于肺中下叶,其中双侧11例,单例36侧;除一例在右中叶外,全部均在下叶;病变在下叶背段和下叶后基底段占31/36例。由于不典型的X线表现和忽视痰检,肺中下结核的误诊率很高,本文误诊率达39/47(82.9％),其中最多误诊为肺炎和支气管扩张为32/39(占82％)。误诊时间最短1月,最长1O年。一旦确诊为肺结核,只要给予合理化疗,效果良好。本文初治36例均用3HSP(或E)/HP(或E), My department TB cases from January 1980 to April 1986 were treated in 47 cases of pulmonary tuberculosis, including 30 males and 17 females; the average age of 22 years. Are invasive tuberculosis. 36 cases of initial treatment, retreatment in 11 cases. Common symptoms are cough, sputum and hemoptysis. Symptoms knock urethra lesions, decreased respiratory sounds and fine wet rales are more common. Sputum smear check acid-fast bacilli all positive. X-ray lesions were limited to the lower lobe of the lung, including 11 cases of bilateral, 36 cases of a single; except for one case in the right middle lobe, all in the lower lobe; lesion in the lower lobe and lower lobe basal segment accounting for 31/36 example. Misdiagnosis rate was 39/47 (82.9%), of which 32/39 (82%) were mostly misdiagnosed as pneumonia and bronchiectasis because of the high rate of misdiagnosis due to atypical X-ray findings and neglect of sputum examination. ). Misdiagnosis of the shortest January, the longest 10 years. Once diagnosed as tuberculosis, as long as the reasonable chemotherapy, the effect is good. In this paper, 36 cases were treated with 3HSP (or E) / HP (or E)