Figure 2: (a) Mild acanthosis in the epidermis, dense neutrophils in the upper and middle dermis, perivascular inflammatory cell infiltration consisting of fewer eosinophils and lymphocytes, prominent leukocytoclasia, swelling of the vascular endothelium, fibrinoid material in the vessel wall, abundant extravasated erythrocytes (b) Fibrinoid material in the vessel wall with elastin stain