Fig. 1From: Randomized control trial of prednisolone and doxycycline in patients with acute interstitial nephritis of unknown aetiologyLight microscopy images of acute interstitial nephritis (AIN) from CKDu endemic regions of Sri Lanka. Histology of a a focus of tubulitis (TU) stained with haematoxylin and eosin (H&E); magnification × 400. b Sclerosed glomerulus (GS) and atrophic tubule (TA), stained with H&E; magnification × 100Back to article page