Bet Diego Leonardo, Reis Ana Lucia dos, Di Chiacchio Nilton, Belda Junior Walter
Hospital do Servidor Público Municipal de São Paulo, São Paulo, SP, Brazil.
Universidade de São Paulo, São Paulo, SP, Brazil.
An Bras Dermatol. 2015 Nov-Dec;90(6):904-6. doi: 10.1590/abd1806-4841.20154615.
Mycological examination is still the cornerstone for the diagnosis of onychomycosis for many dermatologists, but sampling technique interferes on its sensitivity and specificity. Nail abrasion may be used to reach the most proximal part of the lesion and can be easily accomplished with an electric abrasor. We suggest nail plate dermoscopy to identify the best location for localized abrasion to obtain adequate samples for mycological examination.