老年性肺结核呼吸道症状不典型 ,常合并慢支、肺气肿 ,故常误诊为慢支 ;一部分老年肺结核病人有轻度呼吸道症状 ,有的带血痰或偶有反复咯血 ,多采取抗炎抗痨治疗 ,但抗痨所需时间长 ,见效慢 ,病人不能按疗程用药 ,中途停药 ,造成误认为抗痨无效而被误诊为肺癌 ;老年人结核易并发感染 ,往往以肺部感染为主体入院 ,故易误诊 ;老年性自发性气胸常见原因是肺结核 ,因无肺结核病证 ,故易漏诊 ;发热是肺结核的常见症状 ,当无吸呼道症状和肺部体征时易误诊为发热待查。 Senile pulmonary tuberculosis respiratory symptoms are not typical, often with chronic bronchitis, emphysema, it is often misdiagnosed as chronic bronchitis; some elderly pulmonary tuberculosis patients with mild respiratory symptoms, and some bloody sputum or occasional repeated hemoptysis, and more anti-inflammatory anti-tuberculosis treatment , But the anti-tuberculous long time required, effective slow, the patient can not medication medication, stop drug, resulting in mistaken for anti-tuberculosis invalid and was misdiagnosed as lung cancer; elderly tuberculosis complicated by infection, often with pulmonary infection as the main hospital, It is easy to misdiagnosis; senile spontaneous pneumothorax is a common cause of tuberculosis, tuberculosis due to no evidence, it is easy to missed diagnosis; fever is a common symptom of tuberculosis, when no respiratory symptoms and lung signs easily misdiagnosed as fever pending investigation.