{"status":"ok","message-type":"work","message-version":"1.0.0","message":{"indexed":{"date-parts":[[2026,10,15]],"date-time":"2026-10-15T21:08:20Z","timestamp":1792098500742,"version":"4.4.0"},"reference-count":10,"publisher":"SAGE Publications","issue":"7","license":[{"start":{"date-parts":[[2019,1,9]],"date-time":"2019-01-09T00:00:00Z","timestamp":1546992000000},"content-version":"tdm","delay-in-days":0,"URL":"https:\/\/journals.sagepub.com\/page\/policies\/text-and-data-mining-license"}],"content-domain":{"domain":["journals.sagepub.com"],"crossmark-restriction":true},"short-container-title":["Int J STD AIDS"],"published-print":{"date-parts":[[2019,6]]},"abstract":"<jats:p>An atypical early primary syphilis case presentation with multiple umbilicated papular lesions on the penis and a nonreactive syphilis serology was misdiagnosed as molluscum contagiosum. Over a period of eight weeks, prior to dermatologic consultation, the papules enlarged, ulcerated, and healed. New plaque and patch formation on the penis and scrotum led to a differential diagnosis of inverse psoriasis vs. syphilis. Histological examination of a shave biopsy specimen revealed numerous Treponema pallidum organisms and repeat syphilis serological test results confirmed a syphilis diagnosis. Lesions responded to treatment with benzathine penicillin. One must keep a high index of suspicion for syphilis in light of its diverse presentation and increasing incidence.<\/jats:p>","DOI":"10.1177\/0956462418817636","type":"journal-article","created":{"date-parts":[[2019,1,9]],"date-time":"2019-01-09T20:37:05Z","timestamp":1547066225000},"page":"707-709","update-policy":"https:\/\/doi.org\/10.1177\/sage-journals-update-policy","source":"Crossref","is-referenced-by-count":7,"title":["Dermatologically challenging syphilis presentation"],"prefix":"10.1177","volume":"30","author":[{"ORCID":"https:\/\/orcid.org\/0000-0002-9030-8222","authenticated-orcid":false,"given":"Alan R","family":"Katz","sequence":"first","affiliation":[{"name":"Diamond Head STD Clinic, Hawaii Department of Health, Honolulu, HI, USA"},{"name":"Office of Public Health Studies, University of Hawaii, Honolulu, HI, USA"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Douglas W","family":"Johnson","sequence":"additional","affiliation":[{"name":"John A. 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Syphilis \u2013 annual epidemiological report 2016 [2014 data], https:\/\/ecdc.europa.eu\/en\/publications-data\/syphilis-annual-epidemiological-report-2016-2014-data (2016, accessed 26 October 2018)."},{"key":"bibr3-0956462418817636","doi-asserted-by":"publisher","DOI":"10.1111\/ijd.13206"},{"key":"bibr4-0956462418817636","doi-asserted-by":"publisher","DOI":"10.1258\/095646207781147346"},{"key":"bibr5-0956462418817636","doi-asserted-by":"crossref","unstructured":"Genovese G, Nazzaro G, Coggi A, et\u00a0al. Secondary syphilis masquerading as lupus vulgaris in an HIV-infected patient: a diagnosis suggested by histology.\n                      Int J STD AIDS\n                      2018. Epub ahead of print 31 Aug 2018. 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