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Summary
A rare case of tinea corporis purpurea, a fungal skin infection, was observed in an immunocompetent woman. Microsporum canis was identified as the cause of this unusual calf infection.
Area of Science:
- Dermatology
- Mycology
- Infectious Diseases
Background:
- Tinea corporis, a superficial fungal infection, typically presents with characteristic annular lesions.
- Atypical presentations of tinea corporis are infrequently documented, primarily in immunocompromised individuals.
- Tinea corporis purpurea is an exceptionally rare clinical manifestation of dermatophytosis.
Observation:
- A 36-year-old immunocompetent woman presented with pruritic, purpurea-colored lesions localized to her calf.
- The patient had a history of mild superficial venous insufficiency in her lower limbs.
- Microsporum canis was identified as the causative dermatophyte through etiological investigation.
Findings:
- This case highlights a rare instance of tinea corporis purpurea in an immunocompetent host.
- The clinical presentation was atypical, localized to the calf and characterized by purpurea.
- The identification of Microsporum canis as the agent in this rare presentation is significant.
Implications:
- This case expands the known clinical spectrum of tinea corporis, particularly concerning rare presentations in immunocompetent individuals.
- It underscores the importance of considering dermatophyte infections even with unusual clinical morphologies.
- Further research may elucidate predisposing factors for atypical tinea corporis presentations.