April 2024 in “Journal of cosmetic dermatology” This study analyzed dermoscopic findings in alopecia areata among children and adults, discovering that exclamation mark hairs are more common in children, while yellow dots appear more often in adults, indicating the importance of age-specific evaluation in diagnosing this condition.
February 2023 in “International Journal of Advanced Research” This study examined 50 patients with alopecia areata and found that trichoscopy can identify specific patterns, such as white dots in 90% of cases and black dots in 80%, aiding in assessing disease activity and severity without invasive procedures.
7 citations
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November 2022 in “Actas Dermo-Sifiliográficas” This study reviewed the usefulness of trichoscopy in diagnosing and monitoring alopecia areata, noting that the technique identifies specific hair features like yellow and black dots, which are linked to the disease's chronic nature and treatment response.
January 2021 in “International journal of dermatology, venereology and leprosy sciences” This study found that, among 100 patients with alopecia areata, the most prevalent subtype was patchy alopecia areata, with characteristic trichoscopic features including black dots, yellow dots, and empty hair follicles.
31 citations
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October 2018 in “Journal of the European Academy of Dermatology and Venereology” In this study, trichoscopic examination found distinct hair characteristics for diagnosing eyebrow loss: alopecia areata is marked by features like exclamation mark hairs, while frontal fibrosing alopecia shows dystrophic hairs and distinctive regrowth patterns.
November 2016 in “대한피부과학회지” This study found that trichoscopy is effective for diagnosing androgenetic alopecia and alopecia areata, and it can also be used to assess the severity of androgenetic alopecia.