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    Glossary Exclamation Mark Hairs

    short, broken hairs narrower at the base than the tip

    Exclamation mark hairs are short, broken hairs that are narrower at the base than at the tip, resembling an exclamation mark. They are often seen in conditions like alopecia areata, where the immune system attacks hair follicles, leading to hair loss. These hairs are a key diagnostic feature for dermatologists when identifying this type of hair loss.

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    1. Diagnostic Value of Exclamation Mark Hairs Dermatology · 1993 · 26 citations
    2. Trichoscopy of dissecting cellulitis of the scalp: Exclamation mark hairs and white dots as markers of disease chronicity Journal of The American Academy of Dermatology · 2016 · 15 citations
    3. Comma hairs: A dermatoscopic marker for tinea capitis Journal of The American Academy of Dermatology · 2008 · 143 citations
    4. Trichoscopy for common hair loss diseases: Algorithmic method for diagnosis The Journal of Dermatology · 2010 · 89 citations
    5. Hair Shafts in Trichoscopy Dermatologic Clinics · 2013 · 86 citations
    6. Coudability hairs: a revisited sign of alopecia areata assessed by trichoscopy Clinical and experimental dermatology · 2010 · 56 citations
    7. Exclamation marks and other trichoscopic signs of chemotherapy-induced alopecia Australasian Journal of Dermatology · 2012 · 33 citations
    8. Light microscopy of the hair: A simple tool to "untangle" hair disorders International Journal of Trichology · 2011 · 24 citations
    9. Trichoscopic Findings of Hair Loss in Koreans Annals of Dermatology · 2015 · 16 citations
    10. Hair and Scalp Disorders 2020 · 8 citations
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