脱屑性间质性肺炎(简称DIP)是一种较少见的间质性肺炎。其主要病理变化为肺泡内有大量大肺泡细胞增生和脱屑,而肺泡壁增厚及肺间质变化表现轻微。目前对本病的确切病因尚不清楚,多数认为与病毒感染、有害刺激物(如矽尘、石棉、滑石粉、碳化钨等尘埃)、吸入燃烧的塑料气味、使用 Desquamative interstitial pneumonia (DIP) is a rare interstitial pneumonia. The main pathological changes in the alveoli are a large number of large alveolar cells hyperplasia and scaling, and alveolar wall thickening and interstitial lung changes were minor. At present, the exact cause of the disease is not clear, the majority that with the virus infection, harmful stimuli (such as silica dust, asbestos, talcum, tungsten carbide and other dust), inhalation of burning plastic smell, use