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Acute Tubulointerstitial Nephritis


Biopsy specimen in acute tubulointerstitial nephritis demonstrates interstitial edema with infiltration by eosinophils, lymphocytes, and plasma cells (hematoxylin-eosin stain, × 200).

Image provided by Agnes Fogo, MD and the American Journal of Kidney Disease’s Atlas of Renal Pathology (see www.ajkd.org).