PMC8497118_01
Firm, erythematous, and umbilicated papules with central erosion and crust. The lesions were observed on the face, scalp, and jaw.
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fig1
At this time, the patient was noted to have erythematous, scaled papules, and nodules on his face, head, trunk, and buttocks that drained transparent, yellow discharge (Figure 1).
Histologic sections show subcorneal pustules and dense neutrophilic dermal infiltrate ((a)-4X and (b)-10X). Special stains including gram, AFB, and FITE were negative for definitive microorganisms.
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fig2
The gingival biopsies were nonspecific; however, skin biopsy was significant for neutrophilic infiltrate in the dermis with formation of microabscesses within the epidermis and superficial dermis (Figure 2).