Using dermoscopy to detect tinea of vellus hair

Gómez-Moyano, Elisabeth; Erchiga, Vicente Crespo; Pilar, Leandro Martínez; García, Silvestre Martínez; González, Trinidad Martín; Diaz, Daniel Jesús Godoy; Casaño, Ángel Vera

doi:10.1111/bjd.14085

Cited by 20 publications

(17 citation statements)

References 11 publications

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“…Dermoscopy is no substitute for mycological study, but rather it complements it, as the parasitism of the vellus hair can be seen only by direct examination or with trichoscopy, but not in culture. [20]…”

Section: Discussionmentioning

confidence: 99%

Can dermoscopy serve as a diagnostic tool in dermatophytosis? A pilot study

Bhat

Keen

Hassan

et al. 2019

Indian Dermatol Online J

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Background:Dermoscopy has been shown to be a useful tool in assisting the noninvasive diagnosis of various general dermatological disorders.Aim:The purpose of the study was to describe the dermoscopic findings in various dermatophytosis.Materials and Methods:This cross-sectional study included 100 clinically diagnosed tinea infections of skin, hair, and nails, which were evaluated using a dermoscope (Dermlite 3 gen DL3N, California USA, 10x).Results:Among 100 patients of dermatophytosis, 69 were males and 31 females. The maximum number of patients had tinea corporis, followed by tinea cruris and tinea capitis. Dermoscopic findings noted in cases of tinea corporis included diffuse erythema, follicular micropustules, and brown spots surrounded by a white-yellowish halo, broken hair, wavy hair, and rare, morse code hair. Dermoscopy of tinea capitis depicted comma hairs, corkscrew hairs, zigzag hairs, and morse code hairs. Proximal jagged edge, spikes, and longitudinal striations were present in the cases of onychomycosis. Dermoscopy of tinea incognito yielded morse code hairs, follicular micropustules, and easily deformable hairs that look weakened and transparent and show unusual bends.Limitations:Dermoscopic findings were not correlated to fungal culture.Conclusion:Dermoscopy can be used as a fast, inexpensive, and noninvasive diagnostic tool to enhance diagnosis of cutaneous fungal infections.

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Section: Discussionmentioning

confidence: 99%

Can dermoscopy serve as a diagnostic tool in dermatophytosis? A pilot study

Bhat

Keen

Hassan

et al. 2019

Indian Dermatol Online J

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“…a,b), previously diagnosed as psoriasis unsuccessfully treated with topical corticosteroids. Dermoscopic examination revealed an erythematous background without specific vascular pattern, micropustules, and black dots surrounded by white‐yellowish halo, the latter recently described as a sign of vellus hair involvement in tinea corporis . Guided by this striking finding, we had a potassium hydroxide preparation revealing multiple hyphae in skin scraping (Fig.…”

mentioning

confidence: 87%

“…Concerning dermatophyte infections, much is actually known about tinea capitis, with more details about trichoscopic findings increasingly being published, and, more recently, growing interest has been shown towards onychoscopy in onychomycosis. To date conversely, only a few papers about dermoscopy of tinea corporis have been published . In particular, when tinea corporis is misdiagnosed as cutaneous inflammatory disease, such as psoriasis or eczema, and treated with topical corticosteroids, clinical diagnosis becomes challenging as tinea incognito (TI) develops, subsequently increasing diagnostic delay.…”

mentioning

confidence: 99%

Dermoscopy as a useful tool in diagnosis of tinea incognito

et al. 2018

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“…Clinically, the lesions are usually found on the face, but they can present on any part of the body 2. The features are an intense inflammation and excoriated scaly plaques with tiny follicular papules or pustules 3. In the current report, the patient had a predisposing factor: using topical corticosteroid.…”

Section: Discussionmentioning

confidence: 60%

Tinea of vellus hair: a diagnostic and therapeutic challenge

Eksomtramage

Aiempanakit²

2018

BMJ Case Reports

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Tinea infection is a common superficial fungal infection of the skin, hair and nails. Tinea of vellus hair is a rare form of dermatophytosis that is difficult to diagnose and treat. Herein, the authors report the case of a patient who had an itchy rash on the cheek. Microscopic and mycological studies confirmed the diagnosis of tinea of vellus hair. The patient was treated with systemic antifungal therapy with clinical improvement. This report aims to describe an infrequent subtype of common disease and review clinical clues, tools for diagnosis as well as treatment plans.

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Using dermoscopy to detect tinea of vellus hair

Cited by 20 publications

References 11 publications

Can dermoscopy serve as a diagnostic tool in dermatophytosis? A pilot study

Can dermoscopy serve as a diagnostic tool in dermatophytosis? A pilot study

Dermoscopy as a useful tool in diagnosis of tinea incognito

Tinea of vellus hair: a diagnostic and therapeutic challenge

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