26例均缺乏,结核中毒症状不典型或缺乏.低热2例,畏寒12例,多汗10例,纳差乏力26例,咳嗽咯痰1～6个月10例,6～1年12例,1年以上4例.肺部体征缺乏,90%以上有既感染或结核接触史,100%的患者合并有2种以上其他病.痰菌均阴性,抗结核抗体阳性14例,痰PCR阳性65.4%,结核菌素试验阳性46.2%,胸片诊断率38.5%;胸部 26 cases were lack of tuberculosis poisoning symptoms are not typical or lack of fever in 2 cases, 12 cases of chills, hyperhidrosis in 10 cases, anorexia weakness in 26 cases, cough expectoration of 1 to 6 months in 10 cases, 6 to 1 year in 12 cases , More than 1 year in 4 cases.The lack of lung signs, more than 90% have both history of infection or tuberculosis, 100% of patients with more than 2 kinds of other diseases.All sputum were negative, anti-TB antibody positive in 14 cases, sputum PCR positive 65.4%, tuberculin test positive 46.2%, chest diagnostic rate 38.5%; chest