PMC3937487_01
Lichenified papules to nodules over the shin with depigmentation and scarring
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F1
Few pus filled lesions were also seen [Figure 1].
Epidermis showed subepidermal bulla with degeneration of keratinocytes. Foci of cellular infiltrate consisting of fragmented neutrophils. H and E, x 40
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F2
Foci of cellular infiltrate consisting of fragmented neutrophils with occasional mononuclear cells and hemorrhage [Figures 2 and 6].
Close up photomicrograph of first patient
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F6
Foci of cellular infiltrate consisting of fragmented neutrophils with occasional mononuclear cells and hemorrhage [Figures 2 and 6].
PMC3937487_02
Lichenoid papules over both shins extending on to the knee
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F3
Cutaneous examination revealed lichenoid papules over both shins extending on to the knee [Figures 3 and 7].
Subepidermal bulla filled with fibrin and RBCs. Dermis shows mixed inflammatory infiltrate with keratin cysts. H and E, x 40
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F4
Dermis showed perivascular mixed inflammatory cell infiltrate and cyst lined by stratified squamous epithelium [Figures 4 and 5].
Close up photomicrograph of the second patient
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F5
Dermis showed perivascular mixed inflammatory cell infiltrate and cyst lined by stratified squamous epithelium [Figures 4 and 5].
Close up of first patient
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F7
Cutaneous examination revealed lichenoid papules over both shins extending on to the knee [Figures 3 and 7].