Mariana SM, Navarro TC, Torre AC, Galimberti RL

Language: Spanish
References: 15
Page: 60-63
PDF size: 344.90 Kb.

ABSTRACT

Trichotillomania is an underdiagnosed entity characterized by alopecic plaques of unusual location and appearance, with un-well defined borders with broken hairs cuted at different heights, that change in shape and very quickly from one consultation to another. Traction test is negative and there is no inflammation on the scalp. Characteristically, in the dermoscopy of these lesions are observed: decreased hair density, hairs cut at different heights, trichoptilosis, curled hair, hair regrowth and black dots can be seen. Recently, new dermoscopic findings have been described for the diagnosis of this entity, which are: hair in of «V» sign, tulip hair, flame hair and hair powder. We report the case of an adult patient with a dermatosis with an undiagnosed dermatosis of years of evolution, where dermoscopy was essential for the diagnosis of trichotillomania.

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