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A 71-year-old man presented with a 4-month history of a slow-growing, violaceous vegetation in the umbilical area (figure 1). There was no history of immunosuppression or treatment for other disorders. The lesion was 5 cm in diameter, involving and overflowing the umbilicus, and had a bad odour. Suspecting a …
Handling editor Anna Maria Geretti
Contributors Contributors Study conception and design by AMD, CF and GB. Data analysis by PV, VZ and MR. Literature review / study results interpretation by AJ and DV. Final manuscript draft / editing by AMD, CF and GB.
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; internally peer reviewed.
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