{"status":"ok","message-type":"work","message-version":"1.0.0","message":{"indexed":{"date-parts":[[2026,10,8]],"date-time":"2026-10-08T11:03:05Z","timestamp":1791457385202,"version":"4.3.4"},"reference-count":40,"publisher":"Wiley","issue":"6","license":[{"start":{"date-parts":[[2018,4,20]],"date-time":"2018-04-20T00:00:00Z","timestamp":1524182400000},"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":["Br J Haematol"],"published-print":{"date-parts":[[2018,6]]},"abstract":"<jats:title>Summary<\/jats:title><jats:p>Primary cutaneous <jats:styled-content style=\"fixed-case\">CD<\/jats:styled-content>30<jats:sup>+<\/jats:sup> T cell lymphoproliferative disorders (<jats:styled-content style=\"fixed-case\">PCLPD<\/jats:styled-content>), the second most common type of primary cutaneous T cell lymphomas, accounts for approximately 25\u201330% of cutaneous T\u2010cell lymphoma cases. However, only small retrospective studies have been reported. We aimed to identify prognostic factors and evaluate the overall survival (<jats:styled-content style=\"fixed-case\">OS<\/jats:styled-content>) of patients with <jats:styled-content style=\"fixed-case\">PCLPD<\/jats:styled-content> stratified by ethnicity. We identified 1496 patients diagnosed with <jats:styled-content style=\"fixed-case\">PCLPD<\/jats:styled-content> between 2004 and 2014 in the <jats:styled-content style=\"fixed-case\">US<\/jats:styled-content> National Cancer Database. Chi\u2010square test and <jats:sc>anova<\/jats:sc> were used to evaluate differences in demographic and disease characteristics, socioeconomic factors and treatments received. <jats:styled-content style=\"fixed-case\">OS<\/jats:styled-content> was evaluated with the log\u2010rank test, Cox proportional hazard regression analysis, and propensity score matching. The study included 1267 Caucasians, 153 African Americans (<jats:styled-content style=\"fixed-case\">AA<\/jats:styled-content>), 43 Asians, and 33 of other\/unknown ethnicity. Older age, higher Charlson\u2010Deyo score, higher clinical stage and receipt of chemotherapy were predictors of shorter <jats:styled-content style=\"fixed-case\">OS<\/jats:styled-content>. Primary disease site on a lower extremity was associated with shorter <jats:styled-content style=\"fixed-case\">OS<\/jats:styled-content>, while a head and neck location was associated with longer <jats:styled-content style=\"fixed-case\">OS<\/jats:styled-content>. <jats:styled-content style=\"fixed-case\">AA<\/jats:styled-content> patients had shorter <jats:styled-content style=\"fixed-case\">OS<\/jats:styled-content> when compared to Caucasian patients on multivariate analysis. This ethnic disparity persisted on propensity\u2010score matched analysis and after matching Caucasian and <jats:styled-content style=\"fixed-case\">AA<\/jats:styled-content> patients on demographic and disease characteristics, socioeconomic factors and treatments received, and age and gender\u2010matched relative survival analyses.<\/jats:p>","DOI":"10.1111\/bjh.15222","type":"journal-article","created":{"date-parts":[[2018,4,20]],"date-time":"2018-04-20T10:36:57Z","timestamp":1524220617000},"page":"752-759","update-policy":"https:\/\/doi.org\/10.1002\/crossmark_policy","source":"Crossref","is-referenced-by-count":8,"title":["Ethnic disparity in primary cutaneous <scp>CD<\/scp>30<sup>+<\/sup> T\u2010cell lymphoproliferative disorders: an analysis of 1496 cases from the <scp>US<\/scp> National Cancer Database"],"prefix":"10.1111","volume":"181","author":[{"ORCID":"https:\/\/orcid.org\/0000-0002-8478-525X","authenticated-orcid":false,"given":"Chang","family":"Su","sequence":"first","affiliation":[{"name":"The Second Xiangya Hospital Central South University Department of Dermatology Changsha Hunan China"},{"name":"Yale School of Medicine New Haven CT USA"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Kevin A.","family":"Nguyen","sequence":"additional","affiliation":[{"name":"Department of Molecular Biophysics and Biochemistry Yale School of Medicine New Haven CT USA"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Harrison X.","family":"Bai","sequence":"additional","affiliation":[{"name":"Department of Radiology Hospital of the University of Pennsylvania Philadelphia PA USA"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Cheryl K.","family":"Zogg","sequence":"additional","affiliation":[{"name":"Yale School of Medicine New Haven CT 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