Case Report

Long-Term Therapeutic Plasma Exchange to Prevent End-Stage Kidney Disease in Adult Severe Resistant Henoch-Schonlein Purpura Nephritis

Figure 1

First native renal biopsy. (a and b) H&E slides from showing diffuse proliferative changes in all glomeruli, with neutrophils and foci of fibrinoid necrosis associated with epithelial crescents. (c) Silver stain showing obliteration of capillary loops, fibrinoid necrosis, and double contouring. Immunofluorescence showed a prominent granular positivity within the mesangium and to some extent within the membranes for IgA and C3. Oxford classification , , , and .
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