| 1. | Conclusions electron microscopic obser vations show that the alveolar epithelial cells , endothelial cells and basement membrane are all injured , interstitial macrophages hyperpplasia , mast cells infiltration and degranulation , electron - dense deposits at alveolar wall are present
结论电镜观察可见特发性肺纤维化时肺泡上皮细胞、血管内皮细胞及基底膜均有损伤，并可见间质巨噬细胞增生，肥大细胞浸润及脱颗粒，肺泡壁电子致密物沉积。 |
