小儿肺桔核几乎都有肺门淋巴结的病变,肺实質结核初染由淋巴管引流到达肺门淋巴结,成为肺门淋巴结结核。因肺实質病变常是很小甚至用X綫亦不能发现,故肺门结核常是初染结核的一种表现,临床诊断亦以肺门结核较原发综合征为多,在肺门结核开始出现时,肺门阴影较为浓密并扩大,但是仅些阴影扩大尚非结核病变的特征。此现象在儿童很多感染疾病时均可出现,如果不结合临床资料及结核菌素试驗全 Almost all lung lung cancer in children with hilar lymph node lesions, pulmonary tuberculosis early infection by the lymphatic drainage reached the hilar lymph nodes, hilar lymph node tuberculosis. Due to pulmonary parenchymal disease is often small or even X-ray can not be found, so hilar tuberculosis is often a manifestation of early-onset tuberculosis, clinical diagnosis also hilar tuberculosis more than the primary syndrome, hilar tuberculosis When it started to appear, hilar shadow was thicker and enlarged, but only the shadow expansion was not yet characteristic of tuberculosis. This phenomenon can occur in many children infected with disease, if not combined with clinical data and tuberculin test