PMC5869378_01
Diffuse dense infiltrate of mature neutrophils and marked edema of the superficial dermis. Leukocytoclastic fragments are present in absence of vasculitic changes.
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F1
Some interstitial leukocytoclastic fragments were also present in the absence of vasculitic changes (Fig. 1).
PMC5869378_02
Superficial and deep dermal interstitial neutrophilic infiltrate; the epidermis is unaffected.
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F2
Histology showed a superficial and deep dermal interstitial neutrophilic infiltrate (Fig. 2).
Neutrophils are distributed along the collagen bundles associated with some leukocytoclastic fragment. No vasculitic changes can be seen.
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F3
Neutrophils appeared distributed along the collagen bundles associated with some hints of leukocytoclasia (Fig. 3).