Erythematous papules and plaques

Case #1

A 46-year-old white woman presents with a 2-week history of a rash on her back and feet. She denies any associated pain, pruritus, or fever, and her medical history is unremarkable. Her social and family histories are noncontributory. Physical examination is notable for erythematous papules scattered across her back, with some coalescing into plaques. Examination of her dorsal feet ...