{"status":"ok","message-type":"work","message-version":"1.0.0","message":{"indexed":{"date-parts":[[2026,3,25]],"date-time":"2026-03-25T15:06:45Z","timestamp":1774451205775,"version":"3.50.1"},"reference-count":21,"publisher":"Elsevier BV","license":[{"start":{"date-parts":[[2021,10,1]],"date-time":"2021-10-01T00:00:00Z","timestamp":1633046400000},"content-version":"tdm","delay-in-days":0,"URL":"https:\/\/www.elsevier.com\/tdm\/userlicense\/1.0\/"},{"start":{"date-parts":[[2021,10,1]],"date-time":"2021-10-01T00:00:00Z","timestamp":1633046400000},"content-version":"tdm","delay-in-days":0,"URL":"https:\/\/www.elsevier.com\/legal\/tdmrep-license"},{"start":{"date-parts":[[2021,9,1]],"date-time":"2021-09-01T00:00:00Z","timestamp":1630454400000},"content-version":"vor","delay-in-days":0,"URL":"http:\/\/creativecommons.org\/licenses\/by-nc-nd\/4.0\/"}],"content-domain":{"domain":["jaadcasereports.org","elsevier.com","sciencedirect.com"],"crossmark-restriction":true},"short-container-title":["JAAD Case Reports"],"published-print":{"date-parts":[[2021,10]]},"DOI":"10.1016\/j.jdcr.2021.08.034","type":"journal-article","created":{"date-parts":[[2021,9,4]],"date-time":"2021-09-04T02:03:58Z","timestamp":1630721038000},"page":"130-133","update-policy":"https:\/\/doi.org\/10.1016\/elsevier_cm_policy","source":"Crossref","is-referenced-by-count":2,"special_numbering":"C","title":["A case of a pseudoneoplastic primary syphilis chancre on the neck"],"prefix":"10.1016","volume":"16","author":[{"given":"Bret","family":"Kenny","sequence":"first","affiliation":[],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"Sate","family":"Hamza","sequence":"additional","affiliation":[],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"Shaqil","family":"Peermohamed","sequence":"additional","affiliation":[],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"Geoffrey","family":"Shumilak","sequence":"additional","affiliation":[],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"Gary","family":"Groot","sequence":"additional","affiliation":[],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"Allison","family":"Osmond","sequence":"additional","affiliation":[],"role":[{"role":"author","vocabulary":"crossref"}]}],"member":"78","reference":[{"issue":"11","key":"10.1016\/j.jdcr.2021.08.034_bib1","first-page":"302","article-title":"Infectious syphilis in Canada, 2018 (infographic)","volume":"45","year":"2019","journal-title":"Can Commun Dis Rep"},{"issue":"6","key":"10.1016\/j.jdcr.2021.08.034_bib2","doi-asserted-by":"crossref","first-page":"555","DOI":"10.1016\/j.clindermatol.2005.01.015","article-title":"Syphilis: uncommon presentations in adults","volume":"23","author":"Dourmishev","year":"2005","journal-title":"Clin Dermatol"},{"key":"10.1016\/j.jdcr.2021.08.034_bib3","first-page":"118","article-title":"The treatment and prophylaxis of syphilis","volume":"86","author":"Fournier","year":"1906","journal-title":"Rebman Limited"},{"issue":"1","key":"10.1016\/j.jdcr.2021.08.034_bib4","first-page":"1","article-title":"Primary and secondary syphilis, 20 years' experience. 2. Clinical features","volume":"65","author":"Mindel","year":"1989","journal-title":"Genitourin Med"},{"issue":"4","key":"10.1016\/j.jdcr.2021.08.034_bib5","doi-asserted-by":"crossref","first-page":"582","DOI":"10.1016\/S0190-9622(85)70200-9","article-title":"Extragenital syphilitic chancres","volume":"13","author":"Chapel","year":"1985","journal-title":"J Am Acad Dermatol"},{"issue":"6","key":"10.1016\/j.jdcr.2021.08.034_bib6","doi-asserted-by":"crossref","first-page":"1094","DOI":"10.1016\/S0190-9622(86)80197-9","article-title":"Extragenital syphilitic chancres","volume":"14","author":"Allison","year":"1986","journal-title":"J Am Acad Dermatol"},{"issue":"1","key":"10.1016\/j.jdcr.2021.08.034_bib7","first-page":"37","article-title":"Extragenital chancre; with report of a case of chancre of the neck","volume":"4","author":"Lewe","year":"1950","journal-title":"Ann West Med Surg"},{"issue":"2","key":"10.1016\/j.jdcr.2021.08.034_bib8","doi-asserted-by":"crossref","first-page":"219","DOI":"10.1001\/archotol.1967.00760050221022","article-title":"Syphilis as a differential diagnosis of neck masses","volume":"86","author":"Yarington","year":"1967","journal-title":"Arch Otolaryngol"},{"issue":"1","key":"10.1016\/j.jdcr.2021.08.034_bib9","doi-asserted-by":"crossref","first-page":"44","DOI":"10.1097\/DAD.0b013e3181ac52ff","article-title":"A 48-year-old man with a crusted plaque on the left side of the neck: challenge","volume":"32","author":"Fuehrer","year":"2010","journal-title":"Am J Dermatopathol"},{"issue":"12","key":"10.1016\/j.jdcr.2021.08.034_bib10","doi-asserted-by":"crossref","first-page":"e73","DOI":"10.1016\/j.medcli.2018.03.020","article-title":"Ulcerated nodule on the neck: syphilitic chancre","volume":"151","author":"Iglesias-Plaza","year":"2018","journal-title":"Med Clin (Barc)"},{"issue":"10162","key":"10.1016\/j.jdcr.2021.08.034_bib11","doi-asserted-by":"crossref","first-page":"2397","DOI":"10.1016\/S0140-6736(18)32620-5","article-title":"Liaison leads to solitary syphilitic chancre on the neck","volume":"392","author":"Olsavszky","year":"2018","journal-title":"Lancet"},{"issue":"10","key":"10.1016\/j.jdcr.2021.08.034_bib12","doi-asserted-by":"crossref","first-page":"e45","DOI":"10.1097\/OLQ.0000000000001210","article-title":"Primary syphilis of the neck mimicking pyodermatitis","volume":"47","author":"Ramoni","year":"2020","journal-title":"Sex Transm Dis"},{"issue":"1","key":"10.1016\/j.jdcr.2021.08.034_bib13","doi-asserted-by":"crossref","first-page":"29","DOI":"10.1128\/CMR.19.1.29-49.2006","article-title":"Biological basis for syphilis","volume":"19","author":"Lafond","year":"2006","journal-title":"Clin Microbiol Rev"},{"issue":"2","key":"10.1016\/j.jdcr.2021.08.034_bib14","doi-asserted-by":"crossref","first-page":"236","DOI":"10.2340\/00015555-1355","article-title":"Secondary syphilis with persisting hard chancre on the forearm","volume":"93","author":"Andrade","year":"2013","journal-title":"Acta Derm Venereol"},{"issue":"2","key":"10.1016\/j.jdcr.2021.08.034_bib15","first-page":"164","article-title":"Extragenital primary syphilis acquired by scratching with the fingernails","volume":"32","author":"Han","year":"2000","journal-title":"Korean J Infect Dis"},{"issue":"6","key":"10.1016\/j.jdcr.2021.08.034_bib16","first-page":"386","article-title":"A patient with primary syphilis of the hand","volume":"53","author":"De Koning","year":"1977","journal-title":"Br J Vener Dis"},{"issue":"5","key":"10.1016\/j.jdcr.2021.08.034_bib17","doi-asserted-by":"crossref","first-page":"382","DOI":"10.1080\/000155501317140223","article-title":"A patient with primary syphilis of the finger","volume":"81","author":"Bonci","year":"2001","journal-title":"Acta Derm Venereol"},{"issue":"2","key":"10.1016\/j.jdcr.2021.08.034_bib18","doi-asserted-by":"crossref","first-page":"96","DOI":"10.1071\/SH14173","article-title":"Evolution of the syphilis epidemic among men who have sex with men","volume":"12","author":"Solomon","year":"2015","journal-title":"Sex Health"},{"issue":"3","key":"10.1016\/j.jdcr.2021.08.034_bib19","doi-asserted-by":"crossref","first-page":"158","DOI":"10.1097\/00007435-200103000-00007","article-title":"Clinical manifestations of early syphilis by HIV status and gender: results of the syphilis and HIV study","volume":"28","author":"Rompalo","year":"2001","journal-title":"Sex Transm Dis"},{"issue":"6","key":"10.1016\/j.jdcr.2021.08.034_bib20","doi-asserted-by":"crossref","first-page":"749","DOI":"10.5021\/ad.2018.30.6.749","article-title":"Syphilitic gumma: a rare form of cutaneous tertiary syphilis","volume":"30","author":"Moon","year":"2018","journal-title":"Ann Dermatol"},{"issue":"5","key":"10.1016\/j.jdcr.2021.08.034_bib21","doi-asserted-by":"crossref","first-page":"624","DOI":"10.1016\/j.humpath.2008.10.017","article-title":"Treponema pallidum distribution patterns in mucocutaneous lesions of primary and secondary syphilis: an immunohistochemical and ultrastructural study","volume":"40","author":"Mart\u00edn-Ezquerra","year":"2009","journal-title":"Hum Pathol"}],"container-title":["JAAD Case Reports"],"original-title":[],"language":"en","link":[{"URL":"https:\/\/api.elsevier.com\/content\/article\/PII:S2352512621006202?httpAccept=text\/xml","content-type":"text\/xml","content-version":"vor","intended-application":"text-mining"},{"URL":"https:\/\/api.elsevier.com\/content\/article\/PII:S2352512621006202?httpAccept=text\/plain","content-type":"text\/plain","content-version":"vor","intended-application":"text-mining"}],"deposited":{"date-parts":[[2025,11,7]],"date-time":"2025-11-07T00:23:05Z","timestamp":1762474985000},"score":1,"resource":{"primary":{"URL":"https:\/\/linkinghub.elsevier.com\/retrieve\/pii\/S2352512621006202"}},"subtitle":[],"short-title":[],"issued":{"date-parts":[[2021,10]]},"references-count":21,"alternative-id":["S2352512621006202"],"URL":"https:\/\/doi.org\/10.1016\/j.jdcr.2021.08.034","relation":{},"ISSN":["2352-5126"],"issn-type":[{"value":"2352-5126","type":"print"}],"subject":[],"published":{"date-parts":[[2021,10]]},"assertion":[{"value":"Elsevier","name":"publisher","label":"This article is maintained by"},{"value":"A case of a pseudoneoplastic primary syphilis chancre on the neck","name":"articletitle","label":"Article Title"},{"value":"JAAD Case Reports","name":"journaltitle","label":"Journal Title"},{"value":"https:\/\/doi.org\/10.1016\/j.jdcr.2021.08.034","name":"articlelink","label":"CrossRef DOI link to publisher maintained version"},{"value":"article","name":"content_type","label":"Content Type"},{"value":"\u00a9 2021 by the American Academy of Dermatology, Inc. Published by Elsevier, Inc.","name":"copyright","label":"Copyright"}]}}