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A previously healthy 5-year-old boy presented to the emergency department with a non-traumatic painful oedema and purpuric rash of the penis, but no discomfort on micturition (figure 1). Examination revealed petechial rash on both legs and swelling of the right hand. A week earlier, he had suffered from an acute obstructive bronchitis, treated with salbutamol but no steroids. Urinalysis, full blood …
Contributors All authors have contributed equally to the manuscript.
Funding The authors have not declared a specific grant for this research from any funding agency in the public, commercial or not-for-profit sectors.
Competing interests None declared.
Patient consent Parental/guardian consent obtained.
Provenance and peer review Not commissioned; externally peer reviewed.
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