PMC6470634_01
Histopathologic findings include: A: Necrotizing leukocytoclastic vasculitis with crescent formation in the glomerulus to the right, on a kidney biopsy performed days prior to the patient's death (PAS stain, x 100). B: focal intimal coronary artery vasculitis (arrow; H & E-stained section, x 40). C: Diffuse pulmonary alveolar hemorrhage (H & E-stained section, x 40).
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Figure1
Microscopic evaluation of the kidney parenchyma was compatible with the findings of the recent prior kidney biopsy; there was widespread necrotizing leukocytoclastic vasculitis, with extensive transmural necrosis and polymorphonuclear cell infiltration (Figure 1). Autopsy examination also revealed widespread pulmonary hemorrhage and focal subintimal vasculitis of a coronary artery (Figure 1).