{"status":"ok","message-type":"work","message-version":"1.0.0","message":{"indexed":{"date-parts":[[2026,10,17]],"date-time":"2026-10-17T04:23:57Z","timestamp":1792211037868,"version":"4.4.0"},"reference-count":16,"publisher":"Wiley","issue":"2","license":[{"start":{"date-parts":[[2017,1,10]],"date-time":"2017-01-10T00:00:00Z","timestamp":1484006400000},"content-version":"vor","delay-in-days":0,"URL":"http:\/\/onlinelibrary.wiley.com\/termsAndConditions#vor"}],"content-domain":{"domain":["onlinelibrary.wiley.com"],"crossmark-restriction":true},"short-container-title":["Int J Dermatology"],"published-print":{"date-parts":[[2017,2]]},"abstract":"Abstract<\/jats:title>Background<\/jats:title>Trichoscopy has become a useful diagnostic tool for various hair and scalp diseases, including alopecia areata (AA<\/jats:styled-content>) and trichotillomania (TTM<\/jats:styled-content>), which are sometimes difficult to distinguish clinically.<\/jats:p><\/jats:sec>Objectives<\/jats:title>To describe trichoscopic findings of AA<\/jats:styled-content> and TTM<\/jats:styled-content> in an Asian population and to establish diagnostic clues for these conditions.<\/jats:p><\/jats:sec>Methods<\/jats:title>Trichoscopy was performed with a handheld dermoscope in 52 patients diagnosed with AA and 23 patients diagnosed with TTM. Trichoscopic images were then blindly evaluated.<\/jats:p><\/jats:sec>Results<\/jats:title>The trichoscopic features more frequently observed in AA<\/jats:styled-content> than in TTM<\/jats:styled-content> included exclamation mark hairs (AA<\/jats:styled-content> 59.6%, TTM<\/jats:styled-content> 26.1%), tapered hairs (AA<\/jats:styled-content> 59.6%, TTM<\/jats:styled-content> 4.3%), yellow dots (AA<\/jats:styled-content> 46.2%, TTM<\/jats:styled-content> 21.7%), and angulated hairs (AA<\/jats:styled-content> 26.9%, TTM<\/jats:styled-content> 0%) (P\u00a0<\/jats:italic><\u00a0<\/jats:italic>0.05). On the other hand, broken hairs of different lengths (TTM<\/jats:styled-content> 100%, AA<\/jats:styled-content> 3.8%), trichoptilosis (TTM<\/jats:styled-content> 78.3%, AA<\/jats:styled-content> 5.8%), V\u2010sign (TTM<\/jats:styled-content> 43.5%, AA<\/jats:styled-content> 3.8%), flame hairs (TTM<\/jats:styled-content> 43.5%, AA<\/jats:styled-content> 0%), and hair powder (TTM<\/jats:styled-content> 13%, AA<\/jats:styled-content> 1.9%) were more commonly demonstrated in TTM<\/jats:styled-content> than in AA<\/jats:styled-content> (P\u00a0<\/jats:italic><\u00a0<\/jats:italic>0.05).<\/jats:p><\/jats:sec>Conclusions<\/jats:title>Exclamation mark hairs indicate a diagnosis of AA<\/jats:styled-content> but not pathognomonic. In addition, angulated hairs, fractured hairs forming a sharp angle along the hair shaft, appear to be typical for AA<\/jats:styled-content> in Asians when differentiating from TTM<\/jats:styled-content>. It is important to consider various trichoscopic findings together to establish the diagnosis of AA<\/jats:styled-content> or TTM<\/jats:styled-content>.<\/jats:p><\/jats:sec>","DOI":"10.1111\/ijd.13453","type":"journal-article","created":{"date-parts":[[2017,1,13]],"date-time":"2017-01-13T10:07:50Z","timestamp":1484302070000},"page":"161-165","update-policy":"https:\/\/doi.org\/10.1002\/crossmark_policy","source":"Crossref","is-referenced-by-count":41,"title":["Trichoscopic clues for diagnosis of alopecia areata and trichotillomania in Asians"],"prefix":"10.1111","volume":"56","author":[{"given":"Saranya","family":"Khunkhet","sequence":"first","affiliation":[{"name":"Division of Dermatology Ramathibodi Hospital Mahidol University Bangkok Thailand"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Vasanop","family":"Vachiramon","sequence":"additional","affiliation":[{"name":"Division of Dermatology Ramathibodi Hospital Mahidol University Bangkok Thailand"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Poonkiat","family":"Suchonwanit","sequence":"additional","affiliation":[{"name":"Division of Dermatology Ramathibodi Hospital Mahidol University Bangkok Thailand"}],"role":[{"vocabulary":"crossref","role":"author"}]}],"member":"311","published-online":{"date-parts":[[2017,1,10]]},"reference":[{"key":"e_1_2_5_2_1","doi-asserted-by":"publisher","DOI":"10.1007\/978-1-4471-4486-1_16"},{"key":"e_1_2_5_3_1","doi-asserted-by":"publisher","DOI":"10.1016\/j.jaad.2012.02.013"},{"key":"e_1_2_5_4_1","doi-asserted-by":"publisher","DOI":"10.3315\/jdcr.2011.1083"},{"key":"e_1_2_5_5_1","doi-asserted-by":"publisher","DOI":"10.1111\/j.1365-4632.2008.03692.x"},{"key":"e_1_2_5_6_1","doi-asserted-by":"publisher","DOI":"10.1007\/978-1-4471-4486-1_20"},{"key":"e_1_2_5_7_1","doi-asserted-by":"publisher","DOI":"10.1590\/S0365-05962010000500022"},{"key":"e_1_2_5_8_1","doi-asserted-by":"publisher","DOI":"10.2340\/00015555-1674"},{"key":"e_1_2_5_9_1","doi-asserted-by":"publisher","DOI":"10.1111\/j.1440-0960.2012.00946.x"},{"key":"e_1_2_5_10_1","doi-asserted-by":"publisher","DOI":"10.1067\/mjd.2003.277"},{"key":"e_1_2_5_11_1","doi-asserted-by":"publisher","DOI":"10.1007\/978-1-4471-4486-1_2"},{"key":"e_1_2_5_12_1","doi-asserted-by":"publisher","DOI":"10.1016\/j.jaad.2011.08.019"},{"key":"e_1_2_5_13_1","first-page":"327","article-title":"Morphology and properties of Asian and Caucasian hair","volume":"57","author":"Takahashi T","year":"2006","journal-title":"J Cosmet Sci"},{"key":"e_1_2_5_14_1","doi-asserted-by":"publisher","DOI":"10.4103\/0019-5154.84768"},{"key":"e_1_2_5_15_1","doi-asserted-by":"publisher","DOI":"10.1016\/j.jaad.2006.04.058"},{"key":"e_1_2_5_16_1","doi-asserted-by":"publisher","DOI":"10.1111\/j.1440-0960.2012.00942.x"},{"key":"e_1_2_5_17_1","doi-asserted-by":"publisher","DOI":"10.4103\/0974-7753.142856"}],"container-title":["International Journal of Dermatology"],"original-title":[],"language":"en","link":[{"URL":"https:\/\/api.wiley.com\/onlinelibrary\/tdm\/v1\/articles\/10.1111%2Fijd.13453","content-type":"application\/pdf","content-version":"vor","intended-application":"text-mining"},{"URL":"https:\/\/onlinelibrary.wiley.com\/doi\/pdf\/10.1111\/ijd.13453","content-type":"unspecified","content-version":"vor","intended-application":"similarity-checking"}],"deposited":{"date-parts":[[2023,10,3]],"date-time":"2023-10-03T07:00:18Z","timestamp":1696316418000},"score":1,"resource":{"primary":{"URL":"https:\/\/onlinelibrary.wiley.com\/doi\/10.1111\/ijd.13453"}},"subtitle":[],"short-title":[],"issued":{"date-parts":[[2017,1,10]]},"references-count":16,"journal-issue":{"issue":"2","published-print":{"date-parts":[[2017,2]]}},"alternative-id":["10.1111\/ijd.13453"],"URL":"https:\/\/doi.org\/10.1111\/ijd.13453","archive":["Portico"],"relation":{},"ISSN":["0011-9059","1365-4632"],"issn-type":[{"value":"0011-9059","type":"print"},{"value":"1365-4632","type":"electronic"}],"subject":[],"published":{"date-parts":[[2017,1,10]]},"assertion":[{"value":"2016-02-14","order":0,"name":"received","label":"Received","group":{"name":"publication_history","label":"Publication History"}},{"value":"2016-07-28","order":1,"name":"accepted","label":"Accepted","group":{"name":"publication_history","label":"Publication History"}},{"value":"2017-01-10","order":2,"name":"published","label":"Published","group":{"name":"publication_history","label":"Publication History"}}]}}