Quiz: What are these painful lumps?

Joe, a 43-year-old Caucasian man, presents with multiple subcutaneous nodules in the axillae.

Related Case Report: A dangerous infection

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

This article was co-authored by Emily Kozera, a medical student, and Dr Anes Yang, a dermatology registrar, both from St George Hospital.