This is the first description of solitary phaeohyphomycosis affecting the mucosal surface. The lesion developed in the inferior lip of a 57-year-old woman. After surgical resection, histopathological examination evidenced characteristic brownish fungal structures within granulomatous–purulent inflammation. Amplification and sequencing of rDNA obtained from paraffin-embedded tissue identified Alternaria species, as the causative agent.
- PCR, polymerase chain reaction
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Funding: The authors received government grants from CNPq and FAPEMIG, Brazil.
Competing interests: None.
Patient consent was obtained for this case report to be published.