{"status":"ok","message-type":"work","message-version":"1.0.0","message":{"indexed":{"date-parts":[[2026,2,5]],"date-time":"2026-02-05T23:26:01Z","timestamp":1770333961200,"version":"3.49.0"},"reference-count":21,"publisher":"Wiley","issue":"6","license":[{"start":{"date-parts":[[2011,9,14]],"date-time":"2011-09-14T00:00:00Z","timestamp":1315958400000},"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":[[2012,6]]},"abstract":"<jats:title>Abstract<\/jats:title><jats:p><jats:bold>Background\u2002<\/jats:bold> Twenty\u2010nail dystrophy (TND) is an idiopathic and non\u2010congenital nail dystrophy that is characterized by excess longitudinal ridges and loss of luster in multiple nail plates. There are a few studies on TND.<\/jats:p><jats:p><jats:bold>Materials and methods\u2002<\/jats:bold> In order to investigate the demographic and clinical characteristics of patients with TND in Korea, a retrospective study was performed. Eighty\u2010eight patients were diagnosed with TND from February 1, 2003, to April 30, 2010.<\/jats:p><jats:p><jats:bold>Results\u2002<\/jats:bold> In this study, morphology of TND was clinically divided as atrophic, hypertrophic, pitting dominant, shallow fissure\u2010dominant, and deep fissure\u2010dominant types. The patients consisted of 33 males and 55 females. The proportions of subtype and gender predominance showed differences between the child\u2013adolescent\u2010onset TND (20 cases) and the adult\u2010onset TND (68 cases).<\/jats:p><jats:p><jats:bold>Conclusion\u2002<\/jats:bold> The clinical data of this study contribute to our understanding of TND.<\/jats:p>","DOI":"10.1111\/j.1365-4632.2011.05118.x","type":"journal-article","created":{"date-parts":[[2011,9,14]],"date-time":"2011-09-14T08:08:39Z","timestamp":1315987719000},"page":"677-681","update-policy":"https:\/\/doi.org\/10.1002\/crossmark_policy","source":"Crossref","is-referenced-by-count":10,"title":["Clinical study of twenty\u2010nail dystrophy in Korea"],"prefix":"10.1111","volume":"51","author":[{"given":"Young Bok","family":"Lee","sequence":"first","affiliation":[],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"Min Seok","family":"Cheon","sequence":"additional","affiliation":[],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"Hyun Jeong","family":"Park","sequence":"additional","affiliation":[],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"Baik Kee","family":"Cho","sequence":"additional","affiliation":[],"role":[{"role":"author","vocabulary":"crossref"}]}],"member":"311","published-online":{"date-parts":[[2011,9,14]]},"reference":[{"key":"e_1_2_6_2_2","doi-asserted-by":"publisher","DOI":"10.1001\/archderm.1977.01640010075014"},{"key":"e_1_2_6_3_2","doi-asserted-by":"publisher","DOI":"10.1111\/j.1346-8138.2007.00289.x"},{"key":"e_1_2_6_4_2","volume-title":"Baran and Dawber\u2019s Diseases of the Nails and their Management","author":"de Berker DAR","year":"2001"},{"key":"e_1_2_6_5_2","doi-asserted-by":"publisher","DOI":"10.1111\/j.1525-1470.1984.tb01117.x"},{"key":"e_1_2_6_6_2","doi-asserted-by":"publisher","DOI":"10.1016\/0190-9622(95)90433-6"},{"key":"e_1_2_6_7_2","doi-asserted-by":"publisher","DOI":"10.1159\/000246658"},{"key":"e_1_2_6_8_2","doi-asserted-by":"publisher","DOI":"10.1097\/00000372-198812000-00007"},{"key":"e_1_2_6_9_2","doi-asserted-by":"publisher","DOI":"10.1111\/j.1365-2133.1987.tb05905.x"},{"key":"e_1_2_6_10_2","doi-asserted-by":"publisher","DOI":"10.1111\/j.1365-2133.1969.tb15934.x"},{"key":"e_1_2_6_11_2","doi-asserted-by":"publisher","DOI":"10.1111\/j.1365-2133.1994.tb08591.x"},{"key":"e_1_2_6_12_2","unstructured":"PittelkowMR DaoudMS.Lichen Planus. 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