Fig. 1From: Proteinase 3-antineutrophil cytoplasmic antibody-positive necrotizing crescentic glomerulonephritis complicated by infectious endocarditis: a case reportRenal biopsy findings. a Glomerulus with partial fibrinoid necrosis with fragmentation of glomerular tufts (arrows) (periodic acid-methenamine silver stain; original magnification, 400×). b Glomerulus with cellular crescentic formation (arrows) (periodic acid-Schiff stain; magnification, original magnification, 400×). c Tubulointerstitium with sporadic neutrophil infiltration in the peritubular capillary (arrows) and atrophy (broken line) (periodic acid-Schiff stain; original magnification, 100×)Back to article page