1. AJKD Atlas of Renal Pathology: Chronic Pyelonephritis
Agnes B. Fogo, MD, Mark A. Lusco, MD, Behzad Najafian, MD, Charles E. Alpers, MD 
American Journal of Kidney Diseases 
Volume 68, Issue 4, Pages e23-e25 (October 2016)
DOI: /j.ajkd
Copyright © 2016 National Kidney Foundation, Inc. Terms and Conditions

2. Figure 1
Chronic pyelonephritis with scarring in a geographic pattern (Jones silver stain).
Reproduced with permission from AJKD 35(3):e7-e8.
American Journal of Kidney Diseases  , e23-e25DOI: ( /j.ajkd )
Copyright © 2016 National Kidney Foundation, Inc. Terms and Conditions

3. Figure 2
Chronic pyelonephritis with focal and segmental glomerulosclerosis with periglomerular fibrosis (Jones silver stain).
Reproduced with permission from AJKD 35(3):e7-e8.
American Journal of Kidney Diseases  , e23-e25DOI: ( /j.ajkd )
Copyright © 2016 National Kidney Foundation, Inc. Terms and Conditions

4. Figure 3
Chronic pyelonephritis with foci of intratubular neutrophils and degenerated cells with disproportionate interstitial inflammation suggesting a subacute component (hematoxylin and eosin stain).
Reproduced with permission from AJKD 35(3):e7-e8.
American Journal of Kidney Diseases  , e23-e25DOI: ( /j.ajkd )
Copyright © 2016 National Kidney Foundation, Inc. Terms and Conditions

5. Figure 4
Chronic pyelonephritis with geographic scarring and thyroidization of tubules (low [A] and high [B] power magnification; periodic acid–Schiff stain).
American Journal of Kidney Diseases  , e23-e25DOI: ( /j.ajkd )
Copyright © 2016 National Kidney Foundation, Inc. Terms and Conditions

6. Figure 5
Chronic pyelonephritis with no immune complex deposits and limited foot process effacement, a feature distinguishing secondary segmental sclerosis from a primary focal segmental glomerulosclerosis (electron microscopy).
Reproduced with permission from AJKD 35(3):e7-e8.
American Journal of Kidney Diseases  , e23-e25DOI: ( /j.ajkd )
Copyright © 2016 National Kidney Foundation, Inc. Terms and Conditions