Superficial mycoses are fungal infections restricted to the stratum corneum and
to the hair shafts, with no penetration in the epidermis; they are: white
piedra, black piedra, tinea versicolor, and tinea nigra. This study presents
images of mycological tests performed in the laboratory, as well as exams
performed at the authors office, in order to improve the dermatologist's
knowledge about the diagnosis of these dermatoses, which are common in many
countries.
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 examination results.
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