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A 2-year-old boy presented with a 3-month history of recurrent facial cysts (figure 1). These varied in size and severity, were fluctuant, non-tender and some spontaneously discharged. There was no clinical evidence of androgen excess and this was not further investigated. He was afebrile and well apart from a background of eczema and non-immunoglobulin E (IgE) cow milk intolerance. …
Contributors All authors made an equal contribution to the paper.
Competing interests None.
Patient consent Obtained.
Provenance and peer review Not commissioned; externally peer reviewed.
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