A pruritic rash and erythematous plaque

Case #1

The patient is a 44-year-old woman who presents with a 2-month history of a pruritic rash on her arm. The patient states that she noticed the rash when her arm began to itch. On examination, the rash appears to be an annular, erythematous plaque with overlying scale. Over the past 2 months, the rash has grown in size and ...