From dermoscopedia

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Status update December 4, 2018
Status by Ralph P. Braun


TrichoscopyThis glossary term has not yet been described. of trichotillomania is characterized by presence of hairs broken at different length, black dotsDots are small, round structures of less than 0.1 mm in diameter that have a red color when corresponding to blood vessels; however, when due to melanin, their color ranges from black, brown, to blue-gray depending on the depth and concentration of the melanin in the skin (Tyndall effect)., trichoptilosis, coiled hairs, flame hairs, V-sign and tulip hairs [13]. Moreover exclamation mark hairs, yellow dots and upright regrowing hairs may be observed [13]. Other characteristic, but rarely described trichoscopic findings include hair powder and follicular microhemorrhages [13, 14].