What is behind this scaly rash?

A 42-year-old woman presents with a pruritic rash over her axillae, face, trunk, back, groin and limbs.

Test your clinical know-how by taking the quiz below. If you select the wrong answer, have another go — you can try as many times as you like!


Professor Dedee Murrell is head of dermatology at St George Hospital, and conjoint professor at the University of NSW.

This article was co-authored by Henry Lee, a medical student at the University of NSW and Dr Anna Wilson, a clinical research fellow at St George Hospital.