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. 2022 Oct 26;8(1):197–201. doi: 10.1016/j.ekir.2022.10.019

Figure 1.

Figure 1

Renal tissue morphology. Panel a shows a low-power micrograph of the renal cortex using a periodic acid-Schiff stain. Glomeruli are histologically normal, and there is no tubule necrosis or interstitial inflammation. Original magnification ×100. Panel b shows hematoxylin and eosin–stained section and demonstrates focal proximal tubule vacuolization. Original magnification ×400. Panel c shows PAS-stained tissue and also demonstrates proximal tubule cytoplasmic vacuolization. Original magnification ×400. Panel d shows Jones Silver–stained tissue with dramatic proximal tubule cytoplasmic vacuolization (original magnification ×630). Panel e shows a transmission electron micrograph of the apical region of the proximal tubule. Substantial subapical cytoplasmic vacuolization is present (original magnification ×15,000). Panel f shows transmission electron micrograph of the basal region of the proximal tubule. Diffuse basal vacuolization is present (original magnification ×15,000).