A 42-year-old Black woman with no significant past medical history presents with blue-gray macules on her neck and upper chest that gradually developed over the past year.

On examination, she had a reticulated erythematous and hyperpigmented patch with an atrophic surface and telangiectasia on the anterior aspect and both sides of her neck (fig1). A skin biopsy ...

A 42-year-old Black woman with no significant past medical history presents with blue-gray macules on her neck and upper ... erythematous to hyperpigmented patch commonly on the face or genitals ...