PMC7288801_01
Pathologic examination of the renal biopsy specimen showing normocellular
glomeruli (periodic acid-Schiff staining; 20x).
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The histopathologic examination of the biopsy specimen revealed normocellular glomeruli (Figure 1).
Histopathologic analysis of renal biopsy showing mononuclear inflammatory
cells. The arterial wall abnormalities were absent (hematoxylin and eosin
staining; 20x).
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An interstitial inflammatory infiltrate composed of mononuclear cells was present, with no pathologic alterations in the arteries (Figure 2).
Pathologic examination of the biopsy specimen showing interstitial
inflammation and edema (hematoxylin and eosin staining; 20x).
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Patchy interstitial edema along with inflammation was also identified (Figure 3).
Histopathology of renal biopsy demonstrating interstitial edema with no
mitotic figures and no tubular necrosis. No evidence of tubulitis or
granulomas was present (trichrome staining; 20x).
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The biopsy findings ruled out the presence of mitotic figures and tubular necrosis, with no evidence of tubulitis or granulomas (Figure 4).
Pathologic examination showing eosinophils, suggestive of acute interstitial
inflammation (hematoxylin and eosin staining; 20x).
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The presence of eosinophils was confirmed, which was suggestive of acute interstitial inflammation (Figure 5).