title: Dermoscopy of the nail bed and matrix to assess melanonychia striata.
abstract: Melanonychia striata represents a diagnostic dilemma for dermatologists. The use of dermoscopy to assess the nail has advantages over clinical examination. However, when compared to skin lesions, it gives fewer details. We describe two cases of melanonychia striata submitted to dermoscopic examination of the nail bed and matrix. This is a new procedure that enables observing dermoscopic characteristics that are not visualized in the nail plate, thus, providing additional information.
authors.affiliation: Department of Dermatology, Federal University of São Paulo, São Paulo, Brazil. serhir@hotmail.com
authors.forename: Sergio H
authors.initials: SH
authors.lastname: Hirata
authors.forename: Sergio
authors.initials: S
authors.lastname: Yamada
authors.forename: Fernando A
authors.initials: FA
authors.lastname: Almeida
authors.forename: Jane
authors.initials: J
authors.lastname: Tomomori-Yamashita
authors.forename: Mauro Y
authors.initials: MY
authors.lastname: Enokihara
authors.forename: Francisco M
authors.initials: FM
authors.lastname: Paschoal
authors.forename: Milvia M
authors.initials: MM
authors.lastname: Enokihara
authors.forename: Cinthia M
authors.initials: CM
authors.lastname: Outi
authors.forename: Nilceo S
authors.initials: NS
authors.lastname: Michalany
mesh_terms: D046169:Dermoscopy; D003937:Diagnosis, Differential; D005260:Female; D006801:Humans; D008545:Melanoma / Q000473:pathology*; D008548:Melanosis / Q000473:pathology*; D008875:Middle Aged; D009260:Nail Diseases / Q000473:pathology*; D012878:Skin Neoplasms / Q000473:pathology*