A previously healthy 28-year-old white woman presented with a 6-month history of a nonpruritic, erythematous eruption on her central chest area. She was otherwise in good health.
On examination, a dermal erythematous eruption with well-defined borders was observed on the anterior aspect of the chest (Figure 1). The eruption consisted of both macules and papules. A punch biopsy specimen from the erythema was stained with hematoxylin-eosin (Figure 2) and alcian blue (Figure 3).
Woollons A, Darley CR. Erythematous Rash on the Chest. Arch Dermatol. 2002;138(9):1245-1250. doi:10.1001/archderm.138.9.1245