PMC5632890_01
Linear, dermographism-like, and vague lichenoid papules.
CRIDM2017-3768603.001.jpg
PMC5632890_01_CRIDM2017-3768603.001.jpg
fig1
He also had linear edematous erythematous wheal lesions, similar to dermographism in appearance on his back and shoulders (Figure 1).
PMC5632890_02
(a) Salmon-pink rash at forearm. (b) Normal epidermis with no necrotic keratinocytes. Superficial perivascular cells infiltration with neutrophils. No evidence of vasculitis (H&E, x40).
CRIDM2017-3768603.002.jpg
PMC5632890_02_CRIDM2017-3768603.002.jpg
fig2
The salmon-pink colored maculopapular rash was observed on her trunk, back, and extremities, with no residual hyperpigmentation observed when the rash subsided (Figure 2(a)). Skin biopsy was revealed as in Figure 2(b).