肺部弥漫性病变引起的原因有继发性疾病和特发性疾病二类,后者在国内报导较少,兹就我院1979年经病理证实的二例报导于下,并作文献复习和X线鉴别诊断。例1为脱屑性间质性肺炎(Desquamative interstitial pneumonitis简称DIP),国内尚未见介绍;例2为原发性肺组织细胞增多病X,国内报导也甚少。 Pulmonary diffuse lesions caused by secondary diseases and idiopathic diseases, the latter reported less in the country, this hospital in 1979 confirmed by pathology in two cases reported under, and for the literature review and X-ray differential diagnosis. Example 1 desquamative interstitial pneumonia (Desquamative interstitial pneumonitis referred to as DIP), has not yet been introduced in China; Example 2 is primary pulmonary cell disease X, domestic reports are few.