John Libbey Eurotext

European Journal of Dermatology

sQuiz your knowledge: chronic paronychia of the third toe Ahead of print

Figures

  • Figure 1
Authors
Centro Hospitalar Lisboa Central, Hospital dos Capuchos -Dermatology, Alameda, Santo António dos Capuchos, 1169 Lisbon, Portugal

A 60-year-old female patient was consulted for a four-year evolving painless paronychia with purulent discharge on the lateral aspect of the third toe, on the left side (figure 1). The culture of pus and mycological examination were negative. Previous treatments with topical and systemic antifungals were ineffective.What is your diagnosis?Subungual squamous cell carcinoma (SSCC)Based on the clinical findings, negative culture of pus, negative mycological examination, and histopathology, the diagnosis [...]