在临床工作中经常遇到临床症状大致相近,如均有咳嗽、咳痰、胸痛、消瘦等症状,且X线片大致相似,均呈两肺弥漫性,粟粒样结节为表现的疾病,如无一些特异性强的辅助检查手段加以鉴别,很难区分,现将临床常见的几种类型以 In clinical practice often encounter clinical symptoms are similar, such as cough, sputum, chest pain, weight loss and other symptoms, and X-ray films are similar, were diffuse two lungs, miliary nodules as the performance of the disease, such as There are some non-specific auxiliary examination to be identified, it is difficult to distinguish, now the clinical common types