据统计,全球每1 s就有1人新感染上结核病;每4 s就有1人患上结核病;每10 s就有1人死于结核病[1],已再次成为人类的主要杀手。目前,在我国肺结核仍是常见病,多发病。由于肺结核和肺癌在临床症状和流行病学方面有很多一致性,85%以上肺结核患者多以咳嗽、咳痰、气短、发热、胸痛等呼吸系统症状而就诊于综合医院。部分肺结核常误诊为肺癌。提高对肺癌与肺结核鉴别诊断的水平,显 According to statistics, 1 person in every 1 s in the world is newly infected with tuberculosis; one person suffers from tuberculosis every 4 s; and one person dies every 10 s [1] and has once again become the main killer of mankind. At present, tuberculosis in our country is still a common disease and frequently-occurring disease. As tuberculosis and lung cancer have many clinical symptoms and epidemiological consistency, more than 85% of patients with tuberculosis cough, sputum, shortness of breath, fever, chest pain and other respiratory symptoms and treatment at a general hospital. Some pulmonary tuberculosis often misdiagnosed as lung cancer. Improve the differential diagnosis of lung cancer and tuberculosis levels were significantly