Relevance of Trichoscopy in Differential Diagnosis of Focal Non-cicatricial Alopecia in Children

Trichoscopy (hair and scalp dermoscopy) is a noninvasive diagnostic tool that allows the recognition of morphologic structures not visible by the naked eye Structures which may be visualized by trichoscopy include hair shafts of different types, the number of hairs in one pilosebaceous unit, hair follicle openings (dots), the peri and interfollicular areas and the vasculature.