PMC5259662_01
Left knee with peri-incisional crusting, coalescing, salmon-colored plaques.
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fig1
Lesions were located along the extensor surfaces of his arms and legs, as well as his back and palms of hands (Figures 1, 2, 3, and 4).
Tense bulla with perilesional vesicles on right thigh.
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fig2
Lesions were located along the extensor surfaces of his arms and legs, as well as his back and palms of hands (Figures 1, 2, 3, and 4).
Left hand with tense bulla, target lesion, and coalescing, salmon-colored plaques.
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fig3
Lesions were located along the extensor surfaces of his arms and legs, as well as his back and palms of hands (Figures 1, 2, 3, and 4).
Back with extensive annular erythematous coalescing lesions.
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fig4
Lesions were located along the extensor surfaces of his arms and legs, as well as his back and palms of hands (Figures 1, 2, 3, and 4).
H&E, upper chest punch biopsy. Focal subepidermal blistering with dermal PMN infiltrate.
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fig5
DNA antibodies. Dermatology was consulted and biopsy of a lesion over the chest showed focal subepidermal blistering with numerous neutrophils and some eosinophils as well as neutrophil collections within the dermal papillae (Figure 5).
Direct immunofluorescence, upper chest punch biopsy. Linear IgA deposition along the basement membrane.
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fig6
Direct immunofluorescence microscopic examination of perilesional tissue showed linear deposits of IgA at the basement membrane zone (Figure 6).