PMC7375716_01
A 14-year-old girl who presented with renal failure after starting minocycline treatment for acne. Renal biopsy (periodic acid-Schiff stain; magnification x400) showed normal glomerulus (red arrow) but marked interstitial edema with patchy interstitial lymphoplasmacytic infiltrates (green arrows). The tubules had dilated lumens and decreased positive periodic acid-Schiff stain positivity of the brush border (black arrow).
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PMC7375716_01_10.1177_2050313X20943069-fig1.jpg
fig1-2050313X20943069
Renal ultrasonography showed bilateral enlarged, echogenic kidneys, and percutaneous renal biopsy showed features consistent with allergic AIN (Figure 1).