PMC6435256_01
Renal biopsy in a patient with hydralazine-induced ANCA associated vasculitis. (a). Light microscopic examination with Hematoxylin and Eosin stain demonstrating segmental necrotizing glomerulonephritis with obliteration of the capillary lumen by fibrinous material (arrow). (b) Periodic acid-Schiff stain demonstrating cellular crescents (arrowhead) (x40).
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F1
Renal biopsy was performed and pathology showed pauci-immune diffuse necrotizing crescentic glomerulonephritis (Figure 1).