What's driving this rash and excoriated nodules?

A 49-year-old man presents with several months of pruritic rash and progressive excoriated nodules affecting his torso and upper and lower 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 UNSW.

This article was co-authored by Dave Wi, a fourth-year medical student at UNSW and Dr Anna Wilson, a dermatology research fellow at St George Hospital.

Latest