{"status":"ok","message-type":"work","message-version":"1.0.0","message":{"indexed":{"date-parts":[[2026,4,22]],"date-time":"2026-04-22T02:56:02Z","timestamp":1776826562628,"version":"3.51.2"},"reference-count":30,"publisher":"Wiley","issue":"6","license":[{"start":{"date-parts":[[2014,2,26]],"date-time":"2014-02-26T00:00:00Z","timestamp":1393372800000},"content-version":"vor","delay-in-days":0,"URL":"http:\/\/onlinelibrary.wiley.com\/termsAndConditions#vor"}],"content-domain":{"domain":[],"crossmark-restriction":false},"short-container-title":["J Cutan Pathol"],"published-print":{"date-parts":[[2014,6]]},"abstract":"<jats:p><jats:styled-content style=\"fixed-case\">CD20<\/jats:styled-content> expression is exceedingly rare in T\u2010cell lymphomas. Most published cases have been diagnosed as peripheral T\u2010cell lymphomas, not otherwise specified. Only 18 cases of <jats:styled-content style=\"fixed-case\">CD20<\/jats:styled-content>\u2010positive mycosis fungoides (<jats:styled-content style=\"fixed-case\">MF<\/jats:styled-content>) have been previously reported. Here, we describe two cases of <jats:styled-content style=\"fixed-case\">CD20<\/jats:styled-content>\u2010positive <jats:styled-content style=\"fixed-case\">MF<\/jats:styled-content>. Patient 1 was an 84\u2010year\u2010old woman who presented with a 5\u2010year history of multiple pruritic erythematous papules coalescing into thin plaques over 80% of her body surface area. She expired after developing tumors and large cell transformation. Patient 2 was a 67\u2010year\u2010old woman with a long\u2010standing history of tumor stage <jats:styled-content style=\"fixed-case\">MF<\/jats:styled-content> with large cell transformation. She developed a nodular plaque while receiving topical and systemic therapy. In both cases, the neoplastic T\u2010cells demonstrated a <jats:styled-content style=\"fixed-case\">CD4<\/jats:styled-content>\u2010positive immunophenotype with loss of pan\u2010T\u2010cell markers and a monoclonal T\u2010cell receptor gamma gene rearrangement. <jats:styled-content style=\"fixed-case\">CD20<\/jats:styled-content> was expressed by a significant population of the neoplastic T\u2010cells, but these T\u2010cells lacked expression of other B\u2010cell markers, including <jats:styled-content style=\"fixed-case\">CD79a<\/jats:styled-content>, <jats:styled-content style=\"fixed-case\">CD19<\/jats:styled-content> and <jats:styled-content style=\"fixed-case\">PAX5<\/jats:styled-content>. This report adds to and summarizes the small body of literature describing <jats:styled-content style=\"fixed-case\">CD20<\/jats:styled-content>\u2010positive <jats:styled-content style=\"fixed-case\">MF<\/jats:styled-content>, and discusses diagnostic and clinical implications.<\/jats:p>","DOI":"10.1111\/cup.12299","type":"journal-article","created":{"date-parts":[[2014,1,28]],"date-time":"2014-01-28T12:30:27Z","timestamp":1390912227000},"page":"494-503","source":"Crossref","is-referenced-by-count":29,"title":["Mycosis fungoides with <scp>CD20<\/scp> expression: report of two cases and review of the literature"],"prefix":"10.1111","volume":"41","author":[{"given":"Kelly L.","family":"Harms","sequence":"first","affiliation":[{"name":"Department of Dermatology University of Michigan Ann Arbor MI USA,"}],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"Paul W.","family":"Harms","sequence":"additional","affiliation":[{"name":"Department of Dermatology University of Michigan Ann Arbor MI USA,"},{"name":"Department of Pathology University of Michigan Ann Arbor MI USA"}],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"Thomas","family":"Anderson","sequence":"additional","affiliation":[{"name":"Department of Dermatology University of Michigan Ann Arbor MI USA,"}],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"Bryan L.","family":"Betz","sequence":"additional","affiliation":[{"name":"Department of Pathology University of Michigan Ann Arbor MI USA"}],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"Charles W.","family":"Ross","sequence":"additional","affiliation":[{"name":"Department of Pathology University of Michigan Ann Arbor MI USA"}],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"Douglas R.","family":"Fullen","sequence":"additional","affiliation":[{"name":"Department of Dermatology University of Michigan Ann Arbor MI USA,"},{"name":"Department of Pathology University of Michigan Ann Arbor MI 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