Thinning of the hair shaft at the proximal end (blue arrow) with normal thickness at the distal end (red arrow)
Keywords: Alopecia, Dermoscopy, Exclamation mark hairs, Hair, Hair loss, Noncicatricial alopecia, Nonscarring alopecia, Nonscarring focal alopecia, 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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