The patient is a 68-year-old woman who presents with a rash she says developed on her trunk over a span of several weeks. On examination, there were multiple confluent, orange-red plaques on the trunk and arms with “islands of sparing” within them. The rash had a primarily truncal distribution and was pruritic. She was feeling well otherwise.
View the image and consider what your next steps and diagnosis would be. Resolution of the case is described on the next page.