case_images: PMC6350541_01
case_images: (a) Hematoxylin and eosin stain show typical histopathological appearance of acute interstitial lesions in light microscopy. (b) Hematoxylin and eosin stain shows diffusive interstitial infiltration of polymorphic inflammatory cells, predominantly T-cells, monocytes, and eosinophils.
case_images: CRIN2019-3614980.001.jpg
case_images: PMC6350541_01_CRIN2019-3614980.001.jpg
case_images: fig1
case_images: Light microscopy showed severe interstitial nephritis with infiltration of polymorphic inflammatory cells (Figure 1(a)). Inflammatory infiltrates were also present in the tubular basement, and tubular epithelial cells exhibited diffusive degenerative lesions; interstitial granulomas were not present (Figure 1(b)).