Figure 2: (a) Histological findings of a mixed inflammatory infiltrate with epidermis and dermis necrosis combined with a subepidermal cleft (hematoxylin and eosin [H and E], ×100). (b) Mixed inflammatory infiltrate predominantly containing neutrophils and some eosinophils around blood vessel walls and red blood cell extravasation over the superficial and deep dermis (H and E, ×200). (c) Neutrophilic infiltration of the dermal vessels with karyorrhexis and fibrinoid necrosis of blood vessel walls (H and E, ×200).