2017
DOI: 10.1590/abd1806-4841.20176808
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Abstract: Tinea nigra is a superficial mycosis whose diagnosis is confirmed by isolating the infectious agent Hortae werneckii through mycological examinations. In vivo reflectance confocal microscopy, initially used in melanocytic dermatosis, has been used with skin infectious diseases to identify the parasite at the cellular level. We report, for the first time in the scientific literature, the use of reflectance confocal microscopy in a case of tinea nigra and compare its findings to dermoscopy and mycological examin… Show more

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Cited by 12 publications
(6 citation statements)
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“…Initially, colonies are restricted, black, and similar to yeast (yeast-like fungi) 12 and over time, fungal structures become broad septate and dark hyphae, mostly with a filamentous appearance. 13 Tinea nigra is a superficial phaeohyphomycosis caused by H. werneckii, 14 which presents as brown to black macules with sharp margins and irregular shapes, usually located on the palms and soles. 11 Treatment of dematiaceous infections can be performed with different classes of antifungals.…”
Section: Introductionmentioning
confidence: 99%
See 1 more Smart Citation
“…Initially, colonies are restricted, black, and similar to yeast (yeast-like fungi) 12 and over time, fungal structures become broad septate and dark hyphae, mostly with a filamentous appearance. 13 Tinea nigra is a superficial phaeohyphomycosis caused by H. werneckii, 14 which presents as brown to black macules with sharp margins and irregular shapes, usually located on the palms and soles. 11 Treatment of dematiaceous infections can be performed with different classes of antifungals.…”
Section: Introductionmentioning
confidence: 99%
“…1,13,15 According to Wong & Revankar, 16 generally amphotericin B (AMB) has satisfactory activity against most of the dematiaceous fungi and some studies have shown that terbinafine (TRB) is highly effective against these infections. 14,17 On the other hand, fluconazole (FLC) and ketoconazole (KTC) are poorly active against phaeohyphomycosis. 1,16 Specifically for the genus Curvularia, the treatment of choice is not yet fully established.…”
Section: Introductionmentioning
confidence: 99%
“…Comparative dermatological analysis has produced important findings in infectious diseases in demonstrating that patterns of clinical and dermatoscopic parasitism repeat on histology and confocal microscopy [8][9][10]. A recent study showed that nail dermoscopy (onychoscopy) in onychomycosis reveals a statistically significant pattern of yellowed-longitudinal lines or striations (spiked or "fringe" pattern) for the diagnosis of nail fun-gus infection [11].…”
Section: Discussionmentioning
confidence: 99%
“…In our experience it is still possible to identify Malassezia (Figure 8), which appears as clusters of roundish bright structures with tortuous hyperreflective structures corresponding to thick and short septa analogues of the typical spaghetti and 9), oral mucosa, and nails [1]. Another important clinical application is the differentiation of tinea nigra from other melanocytic lesions [36][37][38][39].…”
Section: Figure 3 Cutaneous Leishmaniasis Guyanensis Clinical Presentation: Ulcerative Plaques and Tumors With Erythematous-violaceous Bomentioning
confidence: 96%