Quiz: Suspicious marks
When an eight-year-old boy presents to the ED after a fall, the emergency doctor notices a suspicious blue-grey coloured patch on the boy’s back.
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Professor Murrell is head of the department of dermatology, at St George Hospital, Sydney, and professor at the University of NSW.
This article is co-authored by Emma Kim, a fourth-year medical student, and Dr Cathy Zhao, a dermatology research fellow.