Test your diagnostic skills in our regular dermatology quiz. What has caused this rash of maculopapular linear streaks?
A 65-year-old man presents with a two-day history of a mildly itchy rash (Figures 1a and b). He has been otherwise well and denies any fevers, night sweats or unintentional weight loss. The patient does not have any other medical issues or take regular medications. He has not recently travelled or started any new medications.