Painful ulcers

A 73-year-old Caucasian male presents with a five-year history of persistent ulcers on the glans of his penis.

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

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