April 2024 in “Journal of cosmetic dermatology” Children with alopecia areata have more exclamation mark hairs and fewer yellow dots than adults.
February 2023 in “International Journal of Advanced Research” Trichoscopy is a cost-effective and non-invasive tool for diagnosing alopecia areata.
January 2021 in “International journal of dermatology, venereology and leprosy sciences” Trichoscopy shows black dots, yellow dots, and empty follicles are common in Alopecia Areata, with broken and exclamation mark hair as typical patterns.
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October 2018 in “Journal of the European Academy of Dermatology and Venereology” Trichoscopy effectively diagnoses eyebrow loss, distinguishing between alopecia areata and frontal fibrosing alopecia.
November 2016 in “대한피부과학회지” The document's conclusion cannot be summarized as it is not provided in a language I can understand.