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Quantitative measurement of hair diameter diversity as a diagnostic indicator of androgenetic alopecia in Korean males: A cross-sectional study
DC Field | Value | Language |
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dc.contributor.author | 김도영 | - |
dc.contributor.author | 정경배 | - |
dc.date.accessioned | 2024-05-23T03:20:40Z | - |
dc.date.available | 2024-05-23T03:20:40Z | - |
dc.date.issued | 2024-02 | - |
dc.identifier.issn | * | - |
dc.identifier.uri | https://ir.ymlib.yonsei.ac.kr/handle/22282913/199207 | - |
dc.description.abstract | Background: The conventional 20% threshold for hair diameter diversity (HDD), widely accepted for diagnosing androgenetic alopecia (AGA) in the vertex area, has not quantitatively analyzed. Objective: To validate the HDD 20% threshold for AGA and develop a refined, Korean-specific criterion. Methods: This study involved 240 male patients with AGA, categorized by the V stages of the basic and specific classification. Phototrichogram images of the vertex region were analyzed using Image J software for hair thickness measurement. Results: Receiver operating characteristic curve analysis determined the 45 μm hair diameter threshold as the most diagnostic for AGA, with an area under the curve value of 0.884 and a Youden index of 0.659. Optimal AGA diagnosis was achieved when over 21% of hair had a diameter of ≤45 μm. Limitations: Restriction to Korean male limits its applicability to a broader population, and using a specific hair diameter threshold does not account for individual variations in hair characteristics. Conclusion: The study validates the conventional HDD 20% threshold and proposes a more appropriate 45 μm threshold for Korean males, beyond the 40 μm. It concludes that while the HDD 20% remains a key method for early detection of vertex AGA, the definition of thin hair should be ethnicity-specific. | - |
dc.description.statementOfResponsibility | open | - |
dc.format | application/pdf | - |
dc.language | English | - |
dc.publisher | Elsevier Inc. | - |
dc.relation.isPartOf | JAAD International | - |
dc.rights | CC BY-NC-ND 2.0 KR | - |
dc.title | Quantitative measurement of hair diameter diversity as a diagnostic indicator of androgenetic alopecia in Korean males: A cross-sectional study | - |
dc.type | Article | - |
dc.contributor.college | College of Medicine (의과대학) | - |
dc.contributor.department | Dept. of Dermatology (피부과학교실) | - |
dc.contributor.googleauthor | Hee Ung Park | - |
dc.contributor.googleauthor | Kyung Bae Chung | - |
dc.contributor.googleauthor | Do-Young Kim | - |
dc.identifier.doi | 10.1016/j.jdin.2024.02.005 | - |
dc.contributor.localId | A00384 | - |
dc.relation.journalcode | J04353 | - |
dc.identifier.eissn | 2666-3287 | - |
dc.identifier.pmid | 38545491 | - |
dc.subject.keyword | Korean | - |
dc.subject.keyword | androgenetic alopecia | - |
dc.subject.keyword | diagnostic criteria | - |
dc.subject.keyword | hair thickness | - |
dc.subject.keyword | phototrichogram | - |
dc.subject.keyword | threshold | - |
dc.contributor.alternativeName | Kim, Do Young | - |
dc.contributor.affiliatedAuthor | 김도영 | - |
dc.citation.volume | 15 | - |
dc.citation.startPage | 121 | - |
dc.citation.endPage | 126 | - |
dc.identifier.bibliographicCitation | JAAD International, Vol.15 : 121-126, 2024-02 | - |
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