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Images in Dermatology • An. Bras. Dermatol. 97 (3) • May-Jun 2022 • https://doi.org/10.1016/j.abd.2021.04.015   copy

Isolated hair loss on the eyebrow: five cases with trichoscopic features☆ ☆ Study conducted at the Haydarpaşa Numune Training and Research Hospital, Hamidiye Medicine Faculty, University of Health Sciences, İstanbul, Turkey.

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Abstract

Alopecia areta (AA) and trichotillomania (TTM) are common causes for hair loss on the eyebrows. Yellow dots, vellus hairs, anisotrichosis, empty follicular openings, and black dots were observed in the present study’s patients with AA. Split hairs, question mark hairs, broken hairs, flame hairs, black dots, hairs with different lengths, and hemorrhagic areas were found in the patients with TTM. Trichoscopy is a very useful and helpful technic in distinguishing AA and TTM on the eyebrows.

Keywords
Alopecia; Dermoscopy; Eyebrows; Trichotillomania

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