Figure 2: Causes of nephritic syndrome. LN: Lupus nephritis, IgAN: Immunoglobulin A nephropathy, PIGN: Postinfectious glomerulonephritis, FSGS: Focal segmental glomerulosclerosis, MPGN: Membranoproliferative glomerulonephritis, MN: Membranous nephropathy, MsPGN: Mesangioproliferative glomerulonephritis, DPGN: Diffuse proliferative glomerulonephritis, MCD: Minimal change disease, HSP: Henoch–Schonlein purpura.