PMC10026124_01
(a) Coalescing eroded plaques with a snail track appearance obstructing
anterior nares. (b) Presentation 3 weeks after initiating treatment with
systemic corticosteroids.
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Clinical examination revealed erythematous and eroded plaques involving his nares and upper lip (Figure 1).
(a) Low-power H + E micrograph depicting a dense infiltrate of plasma cells
and eosinophils with destruction of epidermis and appendageal structures.
(b) High-power H + E micrograph showing dense eosinophilic infiltrate
without cellular atypia.
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A skin biopsy showed a dense mixed inflammatory infiltrate including numerous plasma cells and eosinophils (Figure 2).