PMC8329516_01
Electron Microscopy- 4800X - Glomerular capillary loop with diffuse podocyte effacement.
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Electron microscopy suggested a minimal change-like lesion with approximately 90 % visceral epithelial cell foot process effacement with villous formation (Fig. 1).
Light Microscopy- Jones Methenamine Silver stain- 20X - Normal glomerulus without significant histologic changes.
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Light microscopy stains showed no evidence of vasculitis, crescentic lesions, or areas of necrosis (Fig. 2, Fig. 3).
Light Microscopy- Hematoxylin and Eosin stain- 40X - High power of the interstitium showing a cluster of eosinophils.
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Interestingly, there were few eosinophils seen throughout the interstitium with mild edema suggestive of a possible subacute allergic interstitial nephritis (Fig. 4).