Trichoscopy in the Diagnosis of Alopecia Areata

    December 2024 in “ IntechOpen eBooks
    Lidiya Todorova
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    Studysummary In this study, trichoscopy was identified as a valuable diagnostic tool for alopecia areata, revealing that specific hair features like yellow dots and short vellus hairs help assess disease activity and phase, with diagnosis relying on multiple combined signs rather than a single indicator.
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    Trichoscopy is a valuable non-invasive diagnostic tool for alopecia areata (AA), utilizing markers like exclamation mark hairs, black dots, and yellow dots to assess disease activity and chronicity. Yellow dots are common in long-standing cases, while short vellus hairs and upright regrowing hairs indicate hair regrowth. This method effectively evaluates the severity and duration of AA, distinguishing between active and chronic forms, and offers a comprehensive view of the condition's progression and treatment response.
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