Dermatoscopy of tinea corporis

Lekkas, Dionysios; Ioannides, Dimitrios; Lazaridou, E.; Lallas, Aimilios; Apalla, Zoe; Vakirlis, Efstratios; Johr, Robert H.; Errichetti, Enzo; Kyrgidis, Athanassios; Sotiriou, Elena

doi:10.1111/jdv.16277

Cited by 15 publications

(11 citation statements)

References 5 publications

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“…Importantly, morphology and direction of the free edge of the scales were different among these three conditions, which were shown to exhibit a jagged outer free edge, jagged inner free edge and smooth inner free edge, respectively. These differences are due to diverse peeling progression (tinea corporis and pityriasis rosea) [18] and the mechanism of collarette formation (pityriasis lichenoides chronica; resulting from detachment of a smooth mica-like central scale) [15]. Similar to studies on fair skin [1,2], we found a correlation between patchy yellow scales/crusts and eczematous dermatitis, though we also showed an association with patchy brown scales/crusts.…”

Section: Papulosquamous Dermatosessupporting

confidence: 82%

Dermoscopy in general dermatology (non-neoplastic dermatoses) of skin of colour: a comparative retrospective study by the International Dermoscopy Society

Errichetti

Ankad

Sonthalia³

et al. 2020

European Journal of Dermatology

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Section: Papulosquamous Dermatosessupporting

confidence: 82%

Dermoscopy in general dermatology (non-neoplastic dermatoses) of skin of colour: a comparative retrospective study by the International Dermoscopy Society

Errichetti

Ankad

Sonthalia³

et al. 2020

European Journal of Dermatology

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“…Dermoscopic findings in cases of tinea corporis include diffuse erythema, dotted vessels with peripheral to patchy distribution, white scales with peripheral distribution, ‘moth-eaten’ scale, peeling in an outward direction, brown spots surrounded by a white-yellow halo, follicular micropustules, wavy hair, and broken hair. 80 , 81 These changes may be seen despite the use of topical corticosteroids or calcineurin inhibitors. 82 Reflectance confocal microscopy is another useful diagnostic tool.…”

Section: Diagnosismentioning

confidence: 99%

Tinea corporis: an updated review

Leung¹,

Lam²,

Leong³

et al. 2020

DIC

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Background Tinea corporis is a common fungal infection that mimics many other annular lesions. Physicians must familiarize themselves with this condition and its treatment. Objective This article aimed to provide a narrative updated review on the evaluation, diagnosis, and treatment of tinea corporis. Methods A PubMed search was performed with Clinical Queries using the key term ‘tinea corporis.’ The search strategy included clinical trials, meta-analyses, randomized controlled trials, observational studies, and reviews. The search was restricted to the English language. The information retrieved from the mentioned search was used in the compilation of the present article. Results Tinea corporis typically presents as a well-demarcated, sharply circumscribed, oval or circular, mildly erythematous, scaly patch or plaque with a raised leading edge. Mild pruritus is common. The diagnosis is often clinical but can be difficult with prior use of medications, such as calcineurin inhibitors or corticosteroids. Dermoscopy is a useful and non-invasive diagnostic tool. If necessary, the diagnosis can be confirmed by microscopic examination of potassium hydroxide wet-mount preparations of skin scrapings from the active border of the lesion. Fungal culture is the gold standard to diagnose dermatophytosis especially if the diagnosis is in doubt and results of other tests are inconclusive or the infection is widespread, severe, or resistant to treatment. The standard treatment of tinea corporis is with topical antifungals. Systemic antifungal treatment is indicated if the lesion is multiple, extensive, deep, recurrent, chronic, or unresponsive to topical antifungal treatment, or if the patient is immunodeficient. Conclusion The diagnosis of tinea corporis is usually clinical and should pose no problem to the physician provided the lesion is typical. However, many clinical variants of tinea corporis exist, rendering the diagnosis difficult especially with prior use of medications, such as calcineurin inhibitors or corticosteroids. As such, physicians must be familiar with this condition so that an accurate diagnosis can be made and appropriate treatment initiated.

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“…Dermoscopic predictors of tinea corporis were recently reported by Lekkas et al and included peripheral scales (odds ratio [OR] 5.2; 95% confidence interval [CI] 2.0‐13.5), moth‐eaten scales (OR 3.9; 95% CI 1.9‐8.1), broken hairs (OR 5.8; 95% CI 2.0‐16.6), and scales that peel outward (OR 14.3; 95% CI 1.3‐155.2) (Figure 2). 11 Other dermoscopic features of tinea corporis include peripheral vasculature (63.6% of tinea corporis cases and 0% of controls) in a dotted arrangement (OR 0.767, 95% CI 0.533‐1.106), white scales (OR 1.240, 95% CI 0.732‐2.100), and lack of perifollicular scales (OR 1.550, 95% CI 0.083‐2.719). Bhat et al also reported diffuse erythema and whitish scales (100% of all cases), follicular micropustules (36.7%), brown spots surrounded by a white‐yellowish halo (20%), wavy and broken hairs (13.3%), and Morse code‐like vellus hairs (3.3%) in 30 tinea corporis cases 12 …”

Section: Tinea Corporismentioning

confidence: 99%

Dermoscopy for cutaneous fungal infections: A brief review

Lim

Shin

Mun

2022

Health Science Reports

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Background Fungal dermatological diseases are significant public health issues. Dermoscopy is a useful bedside assessment tool that helps clinicians diagnose various skin neoplasms and general dermatological diseases. Aim This brief review aims to update clinicians on the dermoscopic features of cutaneous fungal infections such as tinea capitis, tinea corporis, tinea incognito, onychomycosis, and pityrosporum folliculitis. Methods The PubMed database was searched using the terms “dermoscopy” or its synonyms, “tinea capitis”, “tinea corporis”, “tinea incognito”, “onychomycosis” and “pityrosporum folliculitis”. Results The diagnostic value of dermoscopy is well‐recognised in the evaluation of tinea capitis and onychomycosis. There are fewer studies investigating the dermoscopic features of tinea corporis, tinea incognito and pityrosporum folliculitis, but the current data suggest that dermoscopy can aid clinical evaluation of these diseases. Understanding dermoscopic features of cutaneous fungal infection has the potential to increase diagnostic accuracy. Conclusion Dermoscopy in the evaluation of fungal dermatological diseases has the potential to optimize diagnostic accuracy, reduce unnecessary testing, and, consequently, improve clinical practice.

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Dermatoscopy of tinea corporis

Cited by 15 publications

References 5 publications

Dermoscopy in general dermatology (non-neoplastic dermatoses) of skin of colour: a comparative retrospective study by the International Dermoscopy Society

Dermoscopy in general dermatology (non-neoplastic dermatoses) of skin of colour: a comparative retrospective study by the International Dermoscopy Society

Tinea corporis: an updated review

Dermoscopy for cutaneous fungal infections: A brief review

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