A trichoscopic image of alopecia areata showing an exclamation mark hair
Keywords: Alopecia, Black dots, Dermoscopy, Exclamation mark hairs, Hair, Hair loss, Male, Noncicatricial alopecia, Nonscarring alopecia, Nonscarring focal alopecia, Regrowing hair, Scalp, Tapered hair, Trichoscopy
Alopecia areata is an autoimmune condition affecting hair follicles causing hair loss. It typically presents with discrete bald patches on the scalp but can cause hair loss from all hair-bearing areas on the body.
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Source: dermnetnz.org
