Will, a 24 year-old African American male, has a rash on the…
Will, a 24 year-old African American male, has a rash on the arm. The rash began as a dry, scaly “bump” which has spread. On exam, you note a single, well demarcated, erythematous, scaly annular lesion with central clearing on his arm. Based on this information only, what would be the MOST LIKELY diagnosis?