Fig. 3From: Chronic kidney disease: a review of proteomic and metabolomic approaches to membranous glomerulonephritis, focal segmental glomerulosclerosis, and IgA nephropathy biomarkersFour different subtypes of FSGS are shown according to the columbia classification. (a) Tip lesion FSGS. (b) Perihilar FSGS. (c) Cellular FSGS. (d) Collapsing FSGSBack to article page