Electron microscopy revealed decreased mitochondria, increased endoplasmic reticulum and microfilament of the tubular epithelial cells which merged into the interstitium.

• 透射电镜下可见肾小管上皮细胞内线粒体减少，内质网和微丝增多，并可见肾小管上皮细胞突破基底膜游离到肾间质中。