Practical Application of Columbia Classification for Focal Segmental Glomerulosclerosis

Figure 1

Segmental sclerotic glomerulus is at left lower and right two glomeruli look normal. Interstitial fibrosis and tubular atrophy are observed focally. Artery shows intimal fibrosis. Jones methenamine silver stain (PAM), ×200. (Permitted by the Journal of Korean Society of Pediatric Nephrology [3].)