What's behind these spreading white patches?

Cherie, a 30-year-old woman, presents for review of progressive white patches affecting her skin.

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, Sydney, and conjoint professor at the University of NSW, Sydney.

This article was co-authored by Rachel Xuan, a medical student at the University of NSW, and Dr Anes Yang, a dermatology registrar at St George Hospital, Sydney. 

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