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Two girls from central Switzerland presented in spring with a history of localised skin colour change and swelling of their ears. The 4-year-old girl complained of painless erythematous swelling in the earlobe (figure 1A) for 4 weeks. The 6-year-old girl also complained of painless erythematous swelling with a similar appearance at the helix (figure 1B), but for 5 months. Initially the parents noticed swelling and mild redness which …
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.
Provenance and peer review Not commissioned; externally peer reviewed.