Disseminated Tinea Incognito Due to Trichophyton Violaceum in a Healthy Child

June 2022 in “ International Journal of Infectious Diseases ”

Li Wang, Ze‐Hu Liu

tinea incognito Trichophyton violaceum pruritus erythematous plaques topical corticosteroids dermatophytic hyphae fungal culture oral terbinafine topical bifonazole mycological examination ringworm itching red plaques steroid creams fungal infection Lamisil Canesten

TLDR A fungal infection was successfully treated with oral and topical antifungals after being misdiagnosed and worsened by corticosteroids.

A 13-year-old boy presented with a 1-year history of pruritus and widespread erythematous plaques, which were unresponsive to topical corticosteroids. Physical examination and direct microscopy revealed dermatophytic hyphae, and fungal culture identified Trichophyton violaceum. The diagnosis of disseminated tinea incognito was confirmed. Treatment with oral terbinafine and topical bifonazole resulted in negative mycological examination after 4 weeks and no recurrence after 6 months. This case highlights the importance of considering fungal infections in red, scaly lesions, especially when modified by corticosteroids.

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