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. 2019 Dec 6;41(1):1045–1053. doi: 10.1080/0886022X.2019.1696209

Figure 1.

Figure 1.

The renal pathological findings. (a, b) PASM-Masson stain, (left ×100, right ×400) showed focal interstitial fibrosis accompanied by collections of interstitial inflammatory cells (left arrow). The renal capsules adhered (right arrow) with atrophic tubules and focal tubule dropout. (c, d) Hematoxylin-Eosin stain, (×400) showed inflammatory cell infiltrate (arrow), including lymphocytosis, mononuclear cells and a few eosinophils. (e, f) Periodic acid-Schiff stain, (left ×200, right ×400) showed a massive protein casts in the dilated tubules (left arrow) accompanied by brush border of proximal tubule dropout (right arrow).