结节病是一种原因未明的多系统肉芽肿性疾病 ,肺部浸润最为常见 ,也可侵及皮肤、眼、肝、脾、淋巴结、心脏及神经系统等肺外器官。现重点把结节病的肺部表现与诊治情况简要总结分析如下。1　结节病的发病情况结节病的发病病因和发病机制至今未明确 ,可能的病因包括感染、药物变 Sarcoidosis is a multi-system granulomatous disease of unknown etiology. Infiltration of the lungs is most common. It can also invade extrapulmonary organs such as the skin, eyes, liver, spleen, lymph nodes, heart and nervous system. Now focus on the performance of the lungs of sarcoidosis and diagnosis and treatment of a brief summary of the situation analyzed as follows. A sarcoidosis incidence The pathogenesis and pathogenesis of sarcoidosis is not yet clear, possible causes include infection, drug change