PMC5299135_01
Renal pathologic findings. Most glomeruli show slight mesangial matrix expansion with a mild increase in mesangial cells. The tubules show focal atrophy, degenerative changes and sloughing, with frequent infiltration of lymphocytes to form tubulitis. The interstitium is markedly widened by focal edema, fibrosis and diffuse infiltration of lymphocytes, plasma cells, neutrophils and macrophages. A small number of eosinophils are recognized (periodic acid-Schiff stain, A: original magnification x100, B: original magnification x400).
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F1
A small number of eosinophils were seen (Fig. 1).