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. 2022 Sep;10(18):967. doi: 10.21037/atm-22-3684

Figure 1.

Figure 1

The hallmarks of AIN. AIN with prominent interstitial inflammation characterized by (arrow) monocytes, lymphocytes, and plasma cells. (A) A renal biopsy sample from patient No.1 stained with H&E; magnification ×400. (B) A renal biopsy sample from patient No. 1 stained with PAS; magnification ×200. (C) A renal biopsy sample from patient No. 2 stained with H&E; magnification ×400. The arrow indicates obvious infiltration of monocytes, lymphocytes, and plasma cells in renal interstitium. (D) A renal biopsy sample from patient No. 2 stained with silver; magnification ×200. AIN, acute interstitial nephritis; H&E, hematoxylin and eosin; PAS, Periodic acid-Schiff.