{"status":"ok","message-type":"work","message-version":"1.0.0","message":{"indexed":{"date-parts":[[2026,2,21]],"date-time":"2026-02-21T11:54:25Z","timestamp":1771674865610,"version":"3.50.1"},"reference-count":24,"publisher":"Wiley","issue":"11","license":[{"start":{"date-parts":[[2019,7,26]],"date-time":"2019-07-26T00:00:00Z","timestamp":1564099200000},"content-version":"vor","delay-in-days":0,"URL":"http:\/\/onlinelibrary.wiley.com\/termsAndConditions#vor"}],"funder":[{"name":"US National Institutes of Health, National Cancer Institute Cancer Center Support","award":["CA008748"],"award-info":[{"award-number":["CA008748"]}]}],"content-domain":{"domain":["onlinelibrary.wiley.com"],"crossmark-restriction":true},"short-container-title":["Int J Dermatology"],"published-print":{"date-parts":[[2019,11]]},"abstract":"<jats:title>Abstract<\/jats:title><jats:sec><jats:title>Background<\/jats:title><jats:p>Primary cutaneous lymphomas (PCLs) and pseudolymphomas presenting as single pink\u2010red nodules\/tumors are highly unspecific and include a wide differential diagnosis.<\/jats:p><\/jats:sec><jats:sec><jats:title>Objective<\/jats:title><jats:p>To describe the dermoscopic characteristics of PCL\/pseudolymphoma.<\/jats:p><\/jats:sec><jats:sec><jats:title>Methods<\/jats:title><jats:p>In this retrospective, case\u2010control study, we evaluated the dermoscopic features of patients with solitary PCL\/pseudolymphoma tumors and compared them to a control group of non\u2010lymphomatous, nonpigmented, solitary tumors (e.g., basal cell carcinoma, amelanotic melanoma, etc).<\/jats:p><\/jats:sec><jats:sec><jats:title>Results<\/jats:title><jats:p>We included 14 patients with PCL\/pseudolymphomas and 35 controls. T\u2010cell and B\u2010cell lymphoma proportions were 28.6% (<jats:italic>n<\/jats:italic>\u00a0=\u00a04) and 71.4% (<jats:italic>n<\/jats:italic>\u00a0=\u00a010), respectively. Compared to controls, most lymphomas presented dermoscopically with orange color (71.4% vs. 14.2%, <jats:italic>P<\/jats:italic>\u00a0&lt;\u00a00.001), follicular plugs (85% vs. 2.8%, <jats:italic>P<\/jats:italic>\u00a0&lt;\u00a00.001), and\u00a0as\u00a0 organized lesions (85% vs. 31.4%, <jats:italic>P<\/jats:italic>\u00a0=\u00a00.001). Coexistence of orange color and follicular plugs had an odds ratio (OR) of 2.8 (<jats:italic>P<\/jats:italic>\u00a0&lt;\u00a00.001), highly suggestive of\u00a0PCL . The kappa index for independent observers was 0.66, 0.49, 0.43 for orange background, follicular plugs, and organized lesion, respectively. Histopathologic correlation was performed in six PCL\u00a0cases and showed dense diffuse and perifollicular lymphocytic infiltrate in all cases and keratin plugs in five of six cases, possibly correlating with the orange color and the follicular plugs, respectively.<\/jats:p><\/jats:sec><jats:sec><jats:title>Conclusion<\/jats:title><jats:p>Primary cutaneous lymphomas\/pseudolymphomas present with characteristic dermoscopic findings irrespective of immunohistochemical subtype.<\/jats:p><\/jats:sec>","DOI":"10.1111\/ijd.14590","type":"journal-article","created":{"date-parts":[[2019,7,26]],"date-time":"2019-07-26T08:38:51Z","timestamp":1564130331000},"page":"1270-1276","update-policy":"https:\/\/doi.org\/10.1002\/crossmark_policy","source":"Crossref","is-referenced-by-count":18,"title":["Dermoscopy of primary cutaneous B\u2010 and T\u2010cell lymphomas and pseudolymphomas presenting as solitary nodules and tumors: a case\u2010control study with histopathologic correlation"],"prefix":"10.1111","volume":"58","author":[{"ORCID":"https:\/\/orcid.org\/0000-0003-4040-3640","authenticated-orcid":false,"given":"Cristi\u00e1n","family":"Navarrete\u2010Dechent","sequence":"first","affiliation":[{"name":"Melanoma and Skin Cancer Unit, Facultad de Medicina Pontificia Universidad Cat\u00f3lica de Chile Santiago Chile"},{"name":"Department of Dermatology, Facultad de Medicina Pontificia Universidad Cat\u00f3lica de Chile Santiago Chile"},{"name":"Dermatology Service, Department of Medicine, Memorial Sloan Kettering Cancer Center New York NY USA"}],"role":[{"role":"author","vocabulary":"crossref"}]},{"ORCID":"https:\/\/orcid.org\/0000-0003-4667-1873","authenticated-orcid":false,"given":"Constanza","family":"del Puerto","sequence":"additional","affiliation":[{"name":"Department of Dermatology, Facultad de Medicina Pontificia Universidad Cat\u00f3lica de Chile Santiago Chile"}],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"\u00c1lvaro","family":"Abarz\u00faa\u2010Araya","sequence":"additional","affiliation":[{"name":"Melanoma and Skin Cancer Unit, Facultad de Medicina Pontificia Universidad Cat\u00f3lica de Chile Santiago Chile"},{"name":"Department of Dermatology, Facultad de Medicina Pontificia Universidad Cat\u00f3lica de Chile Santiago Chile"}],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"Montserrat","family":"Molg\u00f3","sequence":"additional","affiliation":[{"name":"Melanoma and Skin Cancer Unit, Facultad de Medicina Pontificia Universidad Cat\u00f3lica de Chile Santiago Chile"},{"name":"Department of Dermatology, Facultad de Medicina Pontificia Universidad Cat\u00f3lica de Chile Santiago Chile"}],"role":[{"role":"author","vocabulary":"crossref"}]},{"ORCID":"https:\/\/orcid.org\/0000-0003-1206-1057","authenticated-orcid":false,"given":"Shamir","family":"Geller","sequence":"additional","affiliation":[{"name":"Dermatology Service, Department of Medicine, Memorial Sloan Kettering Cancer Center New York NY USA"},{"name":"Department of Dermatology, Tel Aviv Sourasky Medical Center, Sackler Faculty of Medicine Tel Aviv University Tel Aviv Israel"}],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"Sebasti\u00e1n","family":"Andreani","sequence":"additional","affiliation":[{"name":"Department of Dermatology, Facultad de Medicina Universidad de Chile Santiago Chile"}],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"Jade","family":"Cury\u2010Martins","sequence":"additional","affiliation":[{"name":"Department of Dermatology University of S\u00e3o Paulo Medical School Sao Paulo Brazil"}],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"Jose 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