诊断特发性肺炎综合征是一种病因不明除外其他相关组织病理学诊断的临床肺炎综合征。干细胞移植术、弥漫性肺泡炎性浸润、肺叶活动受限、感染或者心血管病变都可引发特发性肺炎综合征。其它表现为肺部疾病常见的临床症状,如咳嗽、明显的呼吸困难、啰音以及氧梯度增加枰兄 Diagnosis of idiopathic pneumonia syndrome is a clinical pneumonia syndrome with unknown etiology other than histopathological diagnosis. Stem cell transplantation, diffuse alveolar inflammatory infiltrates, restricted lung activity, infection or cardiovascular disease can cause idiopathic pneumonia syndrome. Other manifestations of common clinical symptoms of lung disease, such as cough, significant difficulty in breathing, rales and oxygen gradient increase  枰  Brother