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습진 질환으로 오진된 잠행 백선 2예

Two Cases of Tinea Incognito Misdiagnosed as Eczema

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초록

Tinea incognito is a dermatophytosis of atypical clinical manifestation due to improper use of topicalor systemic corticosteroids. We report two cases of tinea incognito misdiagnosed as eczema by nondermatologistphysicians. First, the lesions were manifested by pruritic, scaly localized erythematousmacules and patches on the left ankle in a 61-year-old woman. She had been treated with topical steroidsfor 1 month without improvement. KOH smear revealed multiple fungal hyphae and histopathologicexamination revealed the presence of fungal hyphae in the stratum corneum. Second, the lesions weremanifested by localized scaly erythematous patches with pruritus on the face in a 76-year-old woman. She had been also treated with topical steroids for 2 months. KOH mount was positive for hyphae. Alltwo patients were treated with 250 mg of terbinafine daily for 2 weeks and topical flutrimazole application. The lesions improved one month after treatment and no recurrence was observed.

Abstract

Tinea incognito is a dermatophytosis of atypical clinical manifestation due to improper use of topicalor systemic corticosteroids. We report two cases of tinea incognito misdiagnosed as eczema by nondermatologistphysicians. First, the lesions were manifested by pruritic, scaly localized erythematousmacules and patches on the left ankle in a 61-year-old woman. She had been treated with topical steroidsfor 1 month without improvement. KOH smear revealed multiple fungal hyphae and histopathologicexamination revealed the presence of fungal hyphae in the stratum corneum. Second, the lesions weremanifested by localized scaly erythematous patches with pruritus on the face in a 76-year-old woman. She had been also treated with topical steroids for 2 months. KOH mount was positive for hyphae. Alltwo patients were treated with 250 mg of terbinafine daily for 2 weeks and topical flutrimazole application. The lesions improved one month after treatment and no recurrence was observed.

참고문헌 (19)

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