结核病是由结核杆菌引起的一种慢性传染性疾病 ,在全身多个器官均可发生 ,但以肺结核病最多见。近几十年来 ,由于卡介苗接种和抗结核药物的正确应用使发病率大大降低 ,但也因此而出现发病不典型的特点 ,以往均认为小儿肺结核以原发性肺结核表现为主要特征 ,包括原发综合征和肺? Tuberculosis is a chronic infectious disease caused by Mycobacterium tuberculosis, which can occur in many organs throughout the body, but is the most common in tuberculosis. In recent decades, due to the correct application of BCG vaccination and anti-TB drugs so that the incidence rate is greatly reduced, but also because of the emergence of atypical features, in the past that children with primary pulmonary tuberculosis pulmonary tuberculosis performance as the main features, including primary Syndrome and lung?