{"status":"ok","message-type":"work","message-version":"1.0.0","message":{"indexed":{"date-parts":[[2026,9,24]],"date-time":"2026-09-24T22:09:15Z","timestamp":1790287755597,"version":"4.1.0"},"reference-count":37,"publisher":"Elsevier BV","issue":"3","license":[{"start":{"date-parts":[[2026,9,1]],"date-time":"2026-09-01T00:00:00Z","timestamp":1788220800000},"content-version":"tdm","delay-in-days":0,"URL":"https:\/\/www.elsevier.com\/tdm\/userlicense\/1.0\/"},{"start":{"date-parts":[[2026,9,1]],"date-time":"2026-09-01T00:00:00Z","timestamp":1788220800000},"content-version":"tdm","delay-in-days":0,"URL":"https:\/\/www.elsevier.com\/legal\/tdmrep-license"}],"content-domain":{"domain":["clinicalkey.com","clinicalkey.com.au","clinicalkey.es","clinicalkey.fr","clinicalkey.jp","jaad.org","elsevier.com","sciencedirect.com"],"crossmark-restriction":true},"short-container-title":["Journal of the American Academy of Dermatology"],"published-print":{"date-parts":[[2026,9]]},"DOI":"10.1016\/j.jaad.2026.04.1996","type":"journal-article","created":{"date-parts":[[2026,5,7]],"date-time":"2026-05-07T23:25:25Z","timestamp":1778196325000},"page":"642-650","update-policy":"https:\/\/doi.org\/10.1016\/elsevier_cm_policy","source":"Crossref","is-referenced-by-count":3,"title":["Nail unit squamous cell carcinoma: A multicenter, retrospective study of the clinical and morphologic characteristics of 261 patients"],"prefix":"10.1016","volume":"95","author":[{"ORCID":"https:\/\/orcid.org\/0000-0001-5913-9304","authenticated-orcid":false,"given":"Shari R.","family":"Lipner","sequence":"first","affiliation":[],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Jose W.","family":"Ricardo","sequence":"additional","affiliation":[],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"David","family":"de Berker","sequence":"additional","affiliation":[],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Emma","family":"Ormerod","sequence":"additional","affiliation":[],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Pauline","family":"Lecerf","sequence":"additional","affiliation":[],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Nathaniel","family":"Jellinek","sequence":"additional","affiliation":[],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Bianca Maria","family":"Piraccini","sequence":"additional","affiliation":[],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Emi","family":"Dika","sequence":"additional","affiliation":[],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Nilton","family":"Di Chiacchio","sequence":"additional","affiliation":[],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Abigail","family":"Waldman","sequence":"additional","affiliation":[],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Judith","family":"Dominguez-Cherit","sequence":"additional","affiliation":[],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Eckart","family":"Haneke","sequence":"additional","affiliation":[],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Glaysson Tassara","family":"Tavares","sequence":"additional","affiliation":[],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Mariana","family":"de Anda","sequence":"additional","affiliation":[],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Nilton G.","family":"Di Chiacchio","sequence":"additional","affiliation":[],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Osvaldo","family":"Correira","sequence":"additional","affiliation":[],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Matilde","family":"Iorizzo","sequence":"additional","affiliation":[],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Dimitris","family":"Rigopoulos","sequence":"additional","affiliation":[],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Patricia","family":"Chang","sequence":"additional","affiliation":[],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Andr\u00e9","family":"Lencastre","sequence":"additional","affiliation":[],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Amit","family":"Singal","sequence":"additional","affiliation":[],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Kaya L.","family":"Curtis","sequence":"additional","affiliation":[],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Myrto","family":"Trakatelli","sequence":"additional","affiliation":[],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Bertrand","family":"Richert","sequence":"additional","affiliation":[],"role":[{"vocabulary":"crossref","role":"author"}]}],"member":"78","reference":[{"issue":"10","key":"10.1016\/j.jaad.2026.04.1996_bib1","doi-asserted-by":"crossref","first-page":"1302","DOI":"10.1111\/ijd.17237","article-title":"Squamous cell carcinoma of the nail in patients with Fitzpatrick phototypes IV-VI: a systematic review","volume":"63","author":"Chang","year":"2024","journal-title":"Int J Dermatol"},{"key":"10.1016\/j.jaad.2026.04.1996_bib2","doi-asserted-by":"crossref","first-page":"187","DOI":"10.1016\/j.jdrv.2024.12.012","article-title":"Diagnosis and management of nail unit squamous cell carcinoma: a clinical review by an expert panel","volume":"4","author":"Curtis","year":"2025","journal-title":"JAAD Rev"},{"issue":"3","key":"10.1016\/j.jaad.2026.04.1996_bib3","doi-asserted-by":"crossref","first-page":"238","DOI":"10.5826\/dpc.0803a017","article-title":"Squamous cell carcinoma of the nail unit","volume":"8","author":"Starace","year":"2018","journal-title":"Dermatol Pract Concept"},{"issue":"9","key":"10.1016\/j.jaad.2026.04.1996_bib4","doi-asserted-by":"crossref","first-page":"714","DOI":"10.1111\/cup.14666","article-title":"Squamous cell carcinoma of the nail apparatus: histopathology and immunohistochemistry correlation study","volume":"51","author":"Moulart","year":"2024","journal-title":"J Cutan Pathol"},{"issue":"5","key":"10.1016\/j.jaad.2026.04.1996_bib5","doi-asserted-by":"crossref","first-page":"871","DOI":"10.1111\/j.1365-2133.2006.07744.x","article-title":"Squamous cell carcinoma of the nail apparatus: clinicopathological study of 35 cases","volume":"156","author":"Dalle","year":"2007","journal-title":"Br J Dermatol"},{"issue":"2","key":"10.1016\/j.jaad.2026.04.1996_bib6","doi-asserted-by":"crossref","first-page":"137","DOI":"10.1159\/000534734","article-title":"Multiple-digit pigmented bowen's disease induced by human papillomavirus in an immunocompetent child","volume":"10","author":"Guerrero-Gonzalez","year":"2024","journal-title":"Skin Appendage Disord"},{"issue":"6","key":"10.1016\/j.jaad.2026.04.1996_bib7","doi-asserted-by":"crossref","first-page":"1358","DOI":"10.1016\/j.jaad.2019.03.070","article-title":"Nail squamous cell carcinoma: a hidden high-risk human papillomavirus reservoir for sexually transmitted infections","volume":"81","author":"Shimizu","year":"2019","journal-title":"J Am Acad Dermatol"},{"issue":"6","key":"10.1016\/j.jaad.2026.04.1996_bib8","doi-asserted-by":"crossref","first-page":"1148","DOI":"10.1046\/j.1365-2133.2000.03540.x","article-title":"Mucosal human papillomavirus types in squamous cell carcinomas of the uterine cervix and subsequently on fingers","volume":"142","author":"Forslund","year":"2000","journal-title":"Br J Dermatol"},{"issue":"3","key":"10.1016\/j.jaad.2026.04.1996_bib9","doi-asserted-by":"crossref","first-page":"199","DOI":"10.1159\/000537760","article-title":"Update on squamous cell carcinoma of the nail unit: an human papillomavirus-associated condition","volume":"10","author":"Bray","year":"2024","journal-title":"Skin Appendage Disord"},{"issue":"6","key":"10.1016\/j.jaad.2026.04.1996_bib10","doi-asserted-by":"crossref","first-page":"1147","DOI":"10.1016\/j.jaad.2010.02.057","article-title":"Ungual and periungual human papillomavirus-associated squamous cell carcinoma: a review","volume":"64","author":"Riddel","year":"2011","journal-title":"J Am Acad Dermatol"},{"issue":"3","key":"10.1016\/j.jaad.2026.04.1996_bib11","doi-asserted-by":"crossref","first-page":"385","DOI":"10.1067\/mjd.2003.184","article-title":"Human papillomavirus-associated digital squamous cell carcinoma: literature review and report of 21 new cases","volume":"48","author":"Alam","year":"2003","journal-title":"J Am Acad Dermatol"},{"issue":"13","key":"10.1016\/j.jaad.2026.04.1996_bib12","doi-asserted-by":"crossref","first-page":"784","DOI":"10.1056\/NEJM198509263131304","article-title":"Latent papillomavirus and recurring genital warts","volume":"313","author":"Ferenczy","year":"1985","journal-title":"N Engl J Med"},{"issue":"3","key":"10.1016\/j.jaad.2026.04.1996_bib13","doi-asserted-by":"crossref","first-page":"303","DOI":"10.1177\/1203475420977474","article-title":"Polydactylous squamous cell carcinoma of the nail unit: a structured review of the literature","volume":"25","author":"Jedlowski","year":"2021","journal-title":"J Cutan Med Surg"},{"issue":"3","key":"10.1016\/j.jaad.2026.04.1996_bib14","doi-asserted-by":"crossref","first-page":"701","DOI":"10.1111\/bjd.13860","article-title":"Nail unit squamous cell carcinoma in people with immunosuppression","volume":"173","author":"Ormerod","year":"2015","journal-title":"Br J Dermatol"},{"issue":"2","key":"10.1016\/j.jaad.2026.04.1996_bib15","doi-asserted-by":"crossref","first-page":"253","DOI":"10.1016\/j.jaad.2013.02.008","article-title":"A retrospective study of squamous cell carcinoma of the nail unit diagnosed in a Belgian general hospital over a 15-year period","volume":"69","author":"Lecerf","year":"2013","journal-title":"J Am Acad Dermatol"},{"issue":"9","key":"10.1016\/j.jaad.2026.04.1996_bib16","doi-asserted-by":"crossref","first-page":"1015","DOI":"10.1097\/DSS.0000000000000452","article-title":"Mohs surgery for squamous cell carcinoma of the nail unit: 10 years of experience","volume":"41","author":"Dika","year":"2015","journal-title":"Dermatol Surg"},{"issue":"2","key":"10.1016\/j.jaad.2026.04.1996_bib17","doi-asserted-by":"crossref","first-page":"123","DOI":"10.1111\/j.1440-0960.2011.00813.x","article-title":"Mohs' micrographic surgery as treatment for squamous dysplasia of the nail unit","volume":"53","author":"Young","year":"2012","journal-title":"Australas J Dermatol"},{"issue":"4","key":"10.1016\/j.jaad.2026.04.1996_bib18","doi-asserted-by":"crossref","first-page":"428","DOI":"10.1111\/ijd.14306","article-title":"Squamous cell carcinoma of the nail unit: a retrospective review of 19 cases in Asia and comparative review of Western literature","volume":"58","author":"Lee","year":"2019","journal-title":"Int J Dermatol"},{"issue":"Suppl 1","key":"10.1016\/j.jaad.2026.04.1996_bib19","doi-asserted-by":"crossref","first-page":"S8","DOI":"10.1097\/DSS.0000000000000521","article-title":"A retrospective study of nail squamous cell carcinoma at 2 institutions","volume":"42","author":"Tang","year":"2016","journal-title":"Dermatol Surg"},{"issue":"5","key":"10.1016\/j.jaad.2026.04.1996_bib20","doi-asserted-by":"crossref","first-page":"442","DOI":"10.1001\/jamadermatol.2017.0014","article-title":"Surgical treatment of subungual squamous cell carcinoma by wide excision of the nail unit and skin graft reconstruction: an evaluation of treatment efficiency and outcomes","volume":"153","author":"Topin-Ruiz","year":"2017","journal-title":"JAMA Dermatol"},{"issue":"4","key":"10.1016\/j.jaad.2026.04.1996_bib21","doi-asserted-by":"crossref","first-page":"705","DOI":"10.1016\/j.jaad.2025.01.012","article-title":"This month in JAAD reviews: April 2025: nail unit squamous cell carcinoma","volume":"92","author":"Lipner","year":"2025","journal-title":"J Am Acad Dermatol"},{"issue":"4","key":"10.1016\/j.jaad.2026.04.1996_bib22","doi-asserted-by":"crossref","first-page":"128","DOI":"10.12788\/cutis.1104","article-title":"Nailing the nail biopsy: surgical instruments and their function in nail biopsy procedures","volume":"114","author":"Hill","year":"2024","journal-title":"Cutis"},{"issue":"4","key":"10.1016\/j.jaad.2026.04.1996_bib23","first-page":"367","article-title":"Important malignant and new nail tumors","volume":"15","author":"Haneke","year":"2017","journal-title":"J Dtsch Dermatol Ges"},{"issue":"3","key":"10.1016\/j.jaad.2026.04.1996_bib24","doi-asserted-by":"crossref","first-page":"365","DOI":"10.1097\/DSS.0000000000001805","article-title":"Squamous cell carcinoma of the nail unit: a clinical histopathologic study and a proposal for classification","volume":"45","author":"Dika","year":"2019","journal-title":"Dermatol Surg"},{"issue":"21","key":"10.1016\/j.jaad.2026.04.1996_bib25","doi-asserted-by":"crossref","first-page":"2379","DOI":"10.3390\/diagnostics14212379","article-title":"Diagnosis and management of malignant epithelial nail unit tumors","volume":"14","author":"Iorizzo","year":"2024","journal-title":"Diagnostics (Basel)"},{"issue":"6","key":"10.1016\/j.jaad.2026.04.1996_bib26","doi-asserted-by":"crossref","first-page":"1315","DOI":"10.1016\/j.jaad.2023.08.065","article-title":"Nail disorders in skin of color: a retrospective chart review over a 5-year period","volume":"89","author":"Schneider","year":"2023","journal-title":"J Am Acad Dermatol"},{"key":"10.1016\/j.jaad.2026.04.1996_bib27","doi-asserted-by":"crossref","first-page":"58","DOI":"10.1016\/j.jdin.2024.08.005","article-title":"Biopsy-proven diagnoses associated with monodactylous longitudinal nail plate change in a diverse patient population: a retrospective cross-sectional study","volume":"17","author":"Li","year":"2024","journal-title":"JAAD Int"},{"issue":"5","key":"10.1016\/j.jaad.2026.04.1996_bib28","doi-asserted-by":"crossref","first-page":"1123","DOI":"10.1016\/j.jaad.2022.01.044","article-title":"A retrospective study of nail squamous cell carcinoma at a single tertiary center: a relationship between longitudinal melanonychia and the depth of invasion","volume":"87","author":"Lee","year":"2022","journal-title":"J Am Acad Dermatol"},{"issue":"3","key":"10.1016\/j.jaad.2026.04.1996_bib29","doi-asserted-by":"crossref","first-page":"307","DOI":"10.1159\/000542546","article-title":"Curved melanonychia as a diagnostic clue for subungual pigmented squamous cell carcinoma in situ","volume":"11","author":"Gatica-Torres","year":"2025","journal-title":"Skin Appendage Disord"},{"key":"10.1016\/j.jaad.2026.04.1996_bib30","doi-asserted-by":"crossref","DOI":"10.1136\/bcr-2016-215390","article-title":"Subungual pigmented squamous cell carcinoma presenting as a grey longitudinal melanonychia in a young patient","volume":"2016","author":"Gatica-Torres","year":"2016","journal-title":"BMJ Case Rep"},{"issue":"3","key":"10.1016\/j.jaad.2026.04.1996_bib31","doi-asserted-by":"crossref","first-page":"310","DOI":"10.1097\/DSS.0000000000000594","article-title":"Longitudinal erythronychia: retrospective single-center study evaluating differential diagnosis and the likelihood of malignancy","volume":"42","author":"Jellinek","year":"2016","journal-title":"Dermatol Surg"},{"issue":"2","key":"10.1016\/j.jaad.2026.04.1996_bib32","doi-asserted-by":"crossref","first-page":"108","DOI":"10.1159\/000511740","article-title":"Subungual invasive squamous cell carcinoma with doubtful underlying bone invasion: a treatment proposal","volume":"7","author":"Dominguez-Cherit","year":"2021","journal-title":"Skin Appendage Disord"},{"issue":"6","key":"10.1016\/j.jaad.2026.04.1996_bib33","doi-asserted-by":"crossref","first-page":"999","DOI":"10.1016\/j.jhsa.2010.02.027","article-title":"Bone invasion by squamous cell carcinoma in situ (Bowen's disease) of the finger during treatment with imiquimod 5% cream: case report","volume":"35","author":"Gong","year":"2010","journal-title":"J Hand Surg Am"},{"issue":"3","key":"10.1016\/j.jaad.2026.04.1996_bib34","doi-asserted-by":"crossref","first-page":"613","DOI":"10.1007\/s00256-022-04164-9","article-title":"MRI of squamous cell carcinoma of the nail apparatus: report of 6 cases","volume":"52","author":"Ammar","year":"2023","journal-title":"Skeletal Radiol"},{"issue":"4","key":"10.1016\/j.jaad.2026.04.1996_bib35","doi-asserted-by":"crossref","first-page":"832","DOI":"10.1016\/j.jaad.2023.11.043","article-title":"Low local recurrence rates after Mohs micrographic surgery for cutaneous squamous cell carcinoma of the nail unit","volume":"90","author":"Veerabagu","year":"2024","journal-title":"J Am Acad Dermatol"},{"issue":"8","key":"10.1016\/j.jaad.2026.04.1996_bib36","doi-asserted-by":"crossref","first-page":"721","DOI":"10.1111\/j.1524-4725.1992.tb02006.x","article-title":"Mohs micrographic surgery of the nail unit","volume":"18","author":"Goldminz","year":"1992","journal-title":"J Dermatol Surg Oncol"},{"issue":"9","key":"10.1016\/j.jaad.2026.04.1996_bib37","doi-asserted-by":"crossref","first-page":"727","DOI":"10.1111\/cup.13007","article-title":"Nail histology processing techniques: what is happening around the world","volume":"44","author":"Rubin","year":"2017","journal-title":"J Cutan Pathol"}],"container-title":["Journal of the American Academy of Dermatology"],"original-title":[],"language":"en","link":[{"URL":"https:\/\/api.elsevier.com\/content\/article\/PII:S0190962226026034?httpAccept=text\/xml","content-type":"text\/xml","content-version":"vor","intended-application":"text-mining"},{"URL":"https:\/\/api.elsevier.com\/content\/article\/PII:S0190962226026034?httpAccept=text\/plain","content-type":"text\/plain","content-version":"vor","intended-application":"text-mining"}],"deposited":{"date-parts":[[2026,8,19]],"date-time":"2026-08-19T11:38:44Z","timestamp":1787139524000},"score":1,"resource":{"primary":{"URL":"https:\/\/linkinghub.elsevier.com\/retrieve\/pii\/S0190962226026034"}},"subtitle":[],"short-title":[],"issued":{"date-parts":[[2026,9]]},"references-count":37,"journal-issue":{"issue":"3","published-print":{"date-parts":[[2026,9]]}},"alternative-id":["S0190962226026034"],"URL":"https:\/\/doi.org\/10.1016\/j.jaad.2026.04.1996","relation":{},"ISSN":["0190-9622"],"issn-type":[{"value":"0190-9622","type":"print"}],"subject":[],"published":{"date-parts":[[2026,9]]},"assertion":[{"value":"Elsevier","name":"publisher","label":"This article is maintained by"},{"value":"Nail unit squamous cell carcinoma: A multicenter, retrospective study of the clinical and morphologic characteristics of 261 patients","name":"articletitle","label":"Article Title"},{"value":"Journal of the American Academy of Dermatology","name":"journaltitle","label":"Journal Title"},{"value":"https:\/\/doi.org\/10.1016\/j.jaad.2026.04.1996","name":"articlelink","label":"CrossRef DOI link to publisher maintained version"},{"value":"article","name":"content_type","label":"Content Type"},{"value":"\u00a9 2026 by the American Academy of Dermatology, Inc.","name":"copyright","label":"Copyright"}]}}