Abstract:A 55-year-old woman presented in 2016 with a slowly enlarging solitary itchy plaque on her left occipital hairline. It had become mildly tender and thickened over a 9-month period. The patient was otherwise well, and used only occasional salbutamol inhalers for asthma. Physical examination revealed an erythematous plaque 30 mm in size, within which were comedonal openings and small cysts, from which could be expressed a mucoid discharge (Fig. 1a). The lesion was initially biopsied, then subsequently excised du… Show more
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