{"status":"ok","message-type":"work","message-version":"1.0.0","message":{"indexed":{"date-parts":[[2026,3,4]],"date-time":"2026-03-04T06:43:37Z","timestamp":1772606617246,"version":"3.50.1"},"reference-count":5,"publisher":"Wiley","issue":"s2","license":[{"start":{"date-parts":[[2006,9,6]],"date-time":"2006-09-06T00:00:00Z","timestamp":1157500800000},"content-version":"vor","delay-in-days":5,"URL":"http:\/\/onlinelibrary.wiley.com\/termsAndConditions#vor"}],"content-domain":{"domain":[],"crossmark-restriction":false},"short-container-title":["J Cutan Pathol"],"published-print":{"date-parts":[[2006,9]]},"abstract":"<jats:p><jats:bold>Background:\u2002<\/jats:bold> A 43\u2010year\u2010old male presented with the clinical findings of patchy alopecia that contained persistent hair and re\u2010growth of hairs of various lengths, consistent with trichotillomania. A biopsy was performed to confirm the diagnosis..<\/jats:p><jats:p><jats:bold>Results:\u2002<\/jats:bold> Histologic evaluation revealed findings consistent with trichotillomania, including trichomalacia. Several hair shafts also showed a vertically oriented split, which contained proteinaceous material and erythrocytes. Morphologically, these were reminiscent of a hamburger within a bun.<\/jats:p><jats:p><jats:bold>Conclusions:\u2002<\/jats:bold> The unusual finding reported in this case has not been previously reported. The \u201chamburger bun sign\u201d provides an additional clue to traumatic injury in the evaluation of biopsies for trichotillomania.<\/jats:p>","DOI":"10.1111\/j.1600-0560.2006.00526.x","type":"journal-article","created":{"date-parts":[[2006,9,6]],"date-time":"2006-09-06T13:59:27Z","timestamp":1157551167000},"page":"63-64","source":"Crossref","is-referenced-by-count":26,"title":["Splitting hairs: the \u2018hamburger sign\u2019 in trichotillomania"],"prefix":"10.1111","volume":"33","author":[{"given":"Michael C.","family":"Royer","sequence":"first","affiliation":[],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"Leonard C.","family":"Sperling","sequence":"additional","affiliation":[],"role":[{"role":"author","vocabulary":"crossref"}]}],"member":"311","published-online":{"date-parts":[[2006,9,6]]},"reference":[{"key":"e_1_2_4_2_2","doi-asserted-by":"publisher","DOI":"10.1067\/mjd.2002.122749"},{"key":"e_1_2_4_3_2","doi-asserted-by":"publisher","DOI":"10.1111\/j.1600-0560.1995.tb01391.x"},{"key":"e_1_2_4_4_2","doi-asserted-by":"publisher","DOI":"10.1016\/0190-9622(90)70186-L"},{"key":"e_1_2_4_5_2","doi-asserted-by":"publisher","DOI":"10.1111\/j.1600-0560.1999.tb01857.x"},{"key":"e_1_2_4_6_2","doi-asserted-by":"publisher","DOI":"10.3109\/9780203490662"}],"container-title":["Journal of Cutaneous Pathology"],"original-title":[],"language":"en","link":[{"URL":"https:\/\/api.wiley.com\/onlinelibrary\/tdm\/v1\/articles\/10.1111%2Fj.1600-0560.2006.00526.x","content-type":"unspecified","content-version":"vor","intended-application":"text-mining"},{"URL":"https:\/\/onlinelibrary.wiley.com\/doi\/pdf\/10.1111\/j.1600-0560.2006.00526.x","content-type":"unspecified","content-version":"vor","intended-application":"similarity-checking"}],"deposited":{"date-parts":[[2023,9,26]],"date-time":"2023-09-26T21:06:50Z","timestamp":1695762410000},"score":1,"resource":{"primary":{"URL":"https:\/\/onlinelibrary.wiley.com\/doi\/10.1111\/j.1600-0560.2006.00526.x"}},"subtitle":[],"short-title":[],"issued":{"date-parts":[[2006,9]]},"references-count":5,"journal-issue":{"issue":"s2","published-print":{"date-parts":[[2006,9]]}},"alternative-id":["10.1111\/j.1600-0560.2006.00526.x"],"URL":"https:\/\/doi.org\/10.1111\/j.1600-0560.2006.00526.x","archive":["Portico"],"relation":{},"ISSN":["0303-6987","1600-0560"],"issn-type":[{"value":"0303-6987","type":"print"},{"value":"1600-0560","type":"electronic"}],"subject":[],"published":{"date-parts":[[2006,9]]}}}