Fig. 1From: Development of anti-glomerular basement membrane glomerulonephritis during the course of IgA nephropathy: a case reportRepresentative photographs of Periodic acid-Schiff stained sections (Scale bars = 50.0 μm). a First renal biopsy showing mesangial proliferative glomerulonephritis with fibro-cellular crescent in one glomerulus. b Second renal biopsy showing diffuse crescent formation and a few residual glomerular tufts. Scale bars = 50.0 μmBack to article page