{"status":"ok","message-type":"work","message-version":"1.0.0","message":{"indexed":{"date-parts":[[2026,10,9]],"date-time":"2026-10-09T12:30:36Z","timestamp":1791549036627,"version":"4.3.4"},"reference-count":28,"publisher":"S. Karger AG","issue":"3","license":[{"start":{"date-parts":[[2018,12,13]],"date-time":"2018-12-13T00:00:00Z","timestamp":1544659200000},"content-version":"vor","delay-in-days":0,"URL":"https:\/\/www.karger.com\/Services\/SiteLicenses"},{"start":{"date-parts":[[2018,12,13]],"date-time":"2018-12-13T00:00:00Z","timestamp":1544659200000},"content-version":"tdm","delay-in-days":0,"URL":"https:\/\/www.karger.com\/Services\/SiteLicenses"}],"content-domain":{"domain":[],"crossmark-restriction":false},"short-container-title":["Skin Appendage Disord"],"published-print":{"date-parts":[[2019]]},"abstract":"<jats:p>&lt;b&gt;&lt;i&gt;Background:&lt;\/i&gt;&lt;\/b&gt; White piedra (WP) is an asymptomatic superficial mycosis that affects the hair stems, forming whitish nodules caused by various species of the genus &lt;i&gt;Trichosporon&lt;\/i&gt;. &lt;b&gt;&lt;i&gt;Objective:&lt;\/i&gt;&lt;\/b&gt; To present a case series of WP of the head, its epidemiological data, as well as clinical, mycological, and therapeutic experience. &lt;b&gt;&lt;i&gt;Methods:&lt;\/i&gt;&lt;\/b&gt; We conducted a 12-year retrospective and observational study of WP cases tested by dermoscopy, mycological study, and the identification of species through morphology, biochemistry, and proteomics (matrix-assisted laser desorption\/ionization time-of-flight mass spectrometry). The treatment was based on ketoco\u00adnazole shampoo as well as keratolytics. &lt;b&gt;&lt;i&gt;Results:&lt;\/i&gt;&lt;\/b&gt; We included 14 cases of WP, all located in the head and 1 case with both head and scrotum affected. Nine cases (64.3%) presented in children aged &amp;#x3c; 15 years. The majority of the cases (13\/14, 92.8%) were women. Two cases were associated with hyperkeratosis and intertrigo. Most patients had long hair and excessive moisture. In all cases hair nodules were observed and &lt;i&gt;Trichosporon inkin&lt;\/i&gt; (11\/14, 78.6%) was usually isolated. Eleven cases (78.6%) were cured by administering 2% ketoconazole shampoo. &lt;b&gt;&lt;i&gt;Conclusion:&lt;\/i&gt;&lt;\/b&gt; WP was observed in school-age girls. The diagnosis was based on the observation of hair nodules and its main etiologic agent was &lt;i&gt;T. inkin&lt;\/i&gt;, with good response to treatment in most cases.<\/jats:p>","DOI":"10.1159\/000493374","type":"journal-article","created":{"date-parts":[[2018,12,13]],"date-time":"2018-12-13T22:01:33Z","timestamp":1544738493000},"page":"135-141","source":"Crossref","is-referenced-by-count":21,"title":["White Piedra: Clinical, Mycological, and Therapeutic Experience of Fourteen Cases"],"prefix":"10.1159","volume":"5","author":[{"given":"Alexandro","family":"Bonifaz","sequence":"first","affiliation":[],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Andr\u00e9s","family":"Tirado-S\u00e1nchez","sequence":"additional","affiliation":[],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Javier","family":"Araiza","sequence":"additional","affiliation":[],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Alejandra","family":"Rodr\u00edguez-Leviz","sequence":"additional","affiliation":[],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Daniela","family":"Guzm\u00e1n-S\u00e1nchez","sequence":"additional","affiliation":[],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Selene","family":"Guti\u00e9rrez-Mendoza","sequence":"additional","affiliation":[],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Laura","family":"Castrej\u00f3n","sequence":"additional","affiliation":[],"role":[{"vocabulary":"crossref","role":"author"}]}],"member":"127","published-online":{"date-parts":[[2018,12,13]]},"reference":[{"key":"ref1","doi-asserted-by":"publisher","DOI":"10.1590\/S0074-02762002000500028"},{"key":"ref2","doi-asserted-by":"publisher","DOI":"10.1128\/CMR.00003-11"},{"key":"ref3","doi-asserted-by":"publisher","DOI":"10.1016\/j.jaad.2005.11.1033"},{"key":"ref4","doi-asserted-by":"publisher","DOI":"10.1016\/j.clindermatol.2009.12.004"},{"key":"ref5","doi-asserted-by":"publisher","DOI":"10.1111\/j.1439-0507.1994.tb00277.x"},{"key":"ref6","doi-asserted-by":"publisher","DOI":"10.1007\/s11046-008-9136-x"},{"key":"ref7","doi-asserted-by":"publisher","DOI":"10.1111\/bjd.13824"},{"key":"ref8","doi-asserted-by":"publisher","DOI":"10.1111\/1469-0691.12502"},{"key":"ref9","doi-asserted-by":"publisher","DOI":"10.1111\/jdv.15112"},{"key":"ref10","doi-asserted-by":"publisher","DOI":"10.1590\/S0037-86822012000300025"},{"key":"ref11","doi-asserted-by":"publisher","DOI":"10.1159\/000381402"},{"key":"ref12","doi-asserted-by":"publisher","DOI":"10.1590\/S0036-46652008000500011"},{"key":"ref13","doi-asserted-by":"publisher","DOI":"10.1067\/S0190-9622(03)00459-6"},{"key":"ref14","doi-asserted-by":"publisher","DOI":"10.1111\/exd.12884"},{"key":"ref15","doi-asserted-by":"publisher","DOI":"10.1590\/S0365-05962012000500023"},{"key":"ref16","doi-asserted-by":"publisher","DOI":"10.1111\/j.1468-3083.2004.00932.x"},{"key":"ref17","doi-asserted-by":"publisher","DOI":"10.1007\/s11046-016-0049-9"},{"key":"ref18","doi-asserted-by":"publisher","DOI":"10.4103\/0974-7753.58559"},{"key":"ref19","doi-asserted-by":"publisher","DOI":"10.1007\/s11046-014-9750-8"},{"key":"ref20","doi-asserted-by":"publisher","DOI":"10.1136\/sti.65.5.331"},{"key":"ref21","doi-asserted-by":"publisher","DOI":"10.1007\/s11046-006-0038-5"},{"key":"ref22","doi-asserted-by":"publisher","DOI":"10.1590\/S0074-02762008000800008"},{"key":"ref23","doi-asserted-by":"publisher","DOI":"10.1007\/s11046-011-9454-2"},{"key":"ref24","doi-asserted-by":"publisher","DOI":"10.4103\/0378-6323.51256"},{"key":"ref25","doi-asserted-by":"publisher","DOI":"10.4103\/0378-6323.84065"},{"key":"ref26","doi-asserted-by":"publisher","DOI":"10.4103\/0378-6323.136896"},{"key":"ref27","doi-asserted-by":"publisher","DOI":"10.1111\/j.1439-0507.2011.02086.x"},{"key":"ref28","doi-asserted-by":"publisher","DOI":"10.1067\/mjd.2002.124072"}],"container-title":["Skin Appendage Disorders"],"original-title":[],"language":"en","link":[{"URL":"https:\/\/www.karger.com\/Article\/Pdf\/493374","content-type":"application\/pdf","content-version":"vor","intended-application":"text-mining"},{"URL":"https:\/\/www.karger.com\/Article\/Pdf\/493374","content-type":"unspecified","content-version":"vor","intended-application":"similarity-checking"}],"deposited":{"date-parts":[[2025,4,23]],"date-time":"2025-04-23T16:50:54Z","timestamp":1745427054000},"score":1,"resource":{"primary":{"URL":"https:\/\/karger.com\/article\/doi\/10.1159\/000493374"}},"subtitle":[],"short-title":[],"issued":{"date-parts":[[2018,12,13]]},"references-count":28,"journal-issue":{"issue":"3","published-online":{"date-parts":[[2019,4,10]]},"published-print":{"date-parts":[[2019,4,16]]}},"URL":"https:\/\/doi.org\/10.1159\/000493374","archive":["Portico"],"relation":{},"ISSN":["2296-9195","2296-9160"],"issn-type":[{"value":"2296-9195","type":"print"},{"value":"2296-9160","type":"electronic"}],"subject":[],"published":{"date-parts":[[2018,12,13]]}}}