{"status":"ok","message-type":"work","message-version":"1.0.0","message":{"indexed":{"date-parts":[[2026,7,11]],"date-time":"2026-07-11T17:09:25Z","timestamp":1783789765274,"version":"3.55.0"},"reference-count":49,"publisher":"Wiley","issue":"1","license":[{"start":{"date-parts":[[2014,1,18]],"date-time":"2014-01-18T00:00:00Z","timestamp":1390003200000},"content-version":"vor","delay-in-days":17,"URL":"http:\/\/onlinelibrary.wiley.com\/termsAndConditions#vor"}],"content-domain":{"domain":[],"crossmark-restriction":false},"short-container-title":["The Journal of Dermatology"],"published-print":{"date-parts":[[2014,1]]},"abstract":"<jats:title>Abstract<\/jats:title><jats:p>Types of cutaneous lymphoma (<jats:styled-content style=\"fixed-case\">CL<\/jats:styled-content>) and their incidences may vary among geographic areas or ethnic groups. The present study aimed to investigate the incidences of various <jats:styled-content style=\"fixed-case\">CL<\/jats:styled-content> in <jats:styled-content style=\"fixed-case\">J<\/jats:styled-content>apan, using epidemiological data from a nationwide registration system for <jats:styled-content style=\"fixed-case\">CL<\/jats:styled-content>. Between 2007 and 2011, 1733 new patients with <jats:styled-content style=\"fixed-case\">CL<\/jats:styled-content> were registered from over 600 dermatological institutes in <jats:styled-content style=\"fixed-case\">J<\/jats:styled-content>apan. The 1733 patients registered included 1485 (85.7%) patients with mature T\u2010 and natural killer (<jats:styled-content style=\"fixed-case\">NK<\/jats:styled-content>)\u2010cell neoplasms, 224 (12.9%) with B\u2010cell neoplasms and 24 (1.4%) with blastic plasmacytoid dendritic cell neoplasm. Mycosis fungoides (<jats:styled-content style=\"fixed-case\">MF<\/jats:styled-content>) is the most common <jats:styled-content style=\"fixed-case\">CL<\/jats:styled-content> subtype in the present study (750 patients, 43.3%). The proportion of <jats:styled-content style=\"fixed-case\">MF<\/jats:styled-content> patients with early\u2010stage disease was 73%, similar to that of previous studies from other cohorts. The incidence rates of adult T\u2010cell leukemia\/lymphoma and extranodal <jats:styled-content style=\"fixed-case\">NK<\/jats:styled-content>\/T\u2010cell lymphoma, nasal type were 16.7% and 2.0%, respectively, which may account for the higher incidence of mature T\u2010 and <jats:styled-content style=\"fixed-case\">NK<\/jats:styled-content>\u2010cell neoplasms in Japan, as compared with that in the <jats:styled-content style=\"fixed-case\">USA<\/jats:styled-content> and <jats:styled-content style=\"fixed-case\">E<\/jats:styled-content>urope. A male predominance was observed in most types of <jats:styled-content style=\"fixed-case\">CL<\/jats:styled-content>, except for several <jats:styled-content style=\"fixed-case\">CL<\/jats:styled-content> subtypes such as subcutaneous panniculitis\u2010like T\u2010cell lymphoma.<\/jats:p>","DOI":"10.1111\/1346-8138.12299","type":"journal-article","created":{"date-parts":[[2014,1,18]],"date-time":"2014-01-18T13:16:47Z","timestamp":1390051007000},"page":"3-10","source":"Crossref","is-referenced-by-count":61,"title":["Cutaneous lymphoma in <scp>J<\/scp>apan: A nationwide study of 1733 patients"],"prefix":"10.1111","volume":"41","author":[{"given":"Toshihisa","family":"Hamada","sequence":"first","affiliation":[{"name":"Department of Dermatology Okayama University Graduate School of Medicine, Dentistry and Pharmaceutical Sciences Okayama 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