{"status":"ok","message-type":"work","message-version":"1.0.0","message":{"indexed":{"date-parts":[[2026,8,12]],"date-time":"2026-08-12T00:28:56Z","timestamp":1786494536506,"version":"build-2736575974"},"reference-count":8,"publisher":"Georg Thieme Verlag KG","issue":"04","license":[{"start":{"date-parts":[[2026,3,2]],"date-time":"2026-03-02T00:00:00Z","timestamp":1772409600000},"content-version":"vor","delay-in-days":0,"URL":"https:\/\/creativecommons.org\/licenses\/by\/4.0\/"}],"content-domain":{"domain":[],"crossmark-restriction":false},"short-container-title":["Arch Plast Surg"],"published-print":{"date-parts":[[2026,7]]},"abstract":"<jats:title>Abstract<\/jats:title>\n                  <jats:p>Differentiating dermatofibrosarcoma protuberans (DFSP) from keloids presents significant clinical challenges, particularly when skin biopsies are contraindicated. This study introduces a novel, non-invasive diagnostic method leveraging the Japan Scar Workshop Scar Scale (JSS) combined with the cosine of the angle (cos\u03b8) to distinguish between these conditions.<\/jats:p>\n                  <jats:p>In this case\u2013control study, 43 cases were retrospectively analyzed using the new evaluation method, JSS\u2009\u00d7\u2009cos\u03b8, designed specifically for this differential diagnosis. This method applies JSS in conjunction with cos\u03b8 to assess lesion characteristics non-invasively.<\/jats:p>\n                  <jats:p>The JSS\u2009\u00d7\u2009cos\u03b8 scores effectively differentiated between DFSP and keloids. Scores \u226516 were indicative of keloids, whereas scores &lt;16 suggested DFSP, with these findings achieving statistical significance (p\u2009&lt;\u20090.001).<\/jats:p>\n                  <jats:p>The JSS\u2009\u00d7\u2009cos\u03b8 scoring system provides a reliable and safe diagnostic tool for distinguishing DFSP from keloids, particularly in cases where biopsy is avoided due to the risk that stimulation of the reticular dermis may lead to the development, enlargement, or worsening of keloids. This method promises to significantly impact the specific management of DFSP and keloids.<\/jats:p>","DOI":"10.1055\/a-2823-0117","type":"journal-article","created":{"date-parts":[[2026,3,3]],"date-time":"2026-03-03T00:04:27Z","timestamp":1772496267000},"page":"315-320","source":"Crossref","is-referenced-by-count":0,"title":["A Novel Non-Invasive Scoring System for Differentiating DFSP and Keloids"],"prefix":"10.1055","volume":"53","author":[{"ORCID":"https:\/\/orcid.org\/0009-0004-6075-4493","authenticated-orcid":false,"given":"Asako","family":"Iida","sequence":"additional","affiliation":[{"name":"Department of Plastic and Reconstructive Surgery, Nippon Medical School Musashi Kosugi Hospital, Kanagawa, Japan"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"ORCID":"https:\/\/orcid.org\/0000-0002-5805-9115","authenticated-orcid":false,"given":"Hiroaki","family":"Kuwahara","sequence":"additional","affiliation":[{"name":"Department of Plastic and Reconstructive Surgery, Nippon Medical School Musashi Kosugi Hospital, Kanagawa, Japan"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"ORCID":"https:\/\/orcid.org\/0000-0001-5086-8340","authenticated-orcid":false,"given":"Satoshi","family":"Akaishi","sequence":"additional","affiliation":[{"name":"Department of Plastic and Reconstructive Surgery, Nippon Medical School Musashi Kosugi Hospital, Kanagawa, Japan"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"ORCID":"https:\/\/orcid.org\/0000-0003-3658-555X","authenticated-orcid":false,"given":"Rei","family":"Ogawa","sequence":"additional","affiliation":[{"name":"Department of Plastic, Reconstructive and Aesthetic Surgery, Nippon Medical School Hospital, Tokyo, Japan"}],"role":[{"vocabulary":"crossref","role":"author"}]}],"member":"194","published-online":{"date-parts":[[2026,6,15]]},"reference":[{"issue":"04","key":"ref1","doi-asserted-by":"crossref","first-page":"483","DOI":"10.1016\/j.det.2019.05.006","article-title":"Dermatofibrosarcoma protuberans","volume":"37","author":"A Allen","year":"2019","journal-title":"Dermatol Clin"},{"issue":"04","key":"ref2","doi-asserted-by":"crossref","first-page":"657","DOI":"10.1016\/j.suc.2022.05.004","article-title":"Dermatofibrosarcoma protuberans: What is this?","volume":"102","author":"G A Vitiello","year":"2022","journal-title":"Surg Clin North Am"},{"issue":"01","key":"ref3","doi-asserted-by":"crossref","first-page":"5","DOI":"10.1186\/s12957-016-1075-2","article-title":"A single-institutional review of 68 patients with dermatofibrosarcoma protuberans: Wide re-excision after inadequate previous surgery results in a high rate of local control","volume":"15","author":"K Harati","year":"2017","journal-title":"World J Surg Oncol"},{"issue":"02","key":"ref4","doi-asserted-by":"crossref","first-page":"268","DOI":"10.1016\/j.amjsurg.2022.09.040","article-title":"Tyrosine kinase inhibitors versus radiation therapy in unresectable dermatofibrosarcoma protuberans (DFSP): A narrative 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Ogawa","year":"2019","journal-title":"Burns Trauma"},{"issue":"01","key":"ref8","doi-asserted-by":"crossref","first-page":"42","DOI":"10.1186\/s13643-023-02192-7","article-title":"Keloid treatments: An evidence-based systematic review of recent advances","volume":"12","author":"L A Walsh","year":"2023","journal-title":"Syst Rev"}],"container-title":["Archives of Plastic Surgery"],"original-title":[],"language":"en","link":[{"URL":"http:\/\/www.thieme-connect.de\/products\/ejournals\/pdf\/10.1055\/a-2823-0117.pdf","content-type":"unspecified","content-version":"vor","intended-application":"similarity-checking"}],"deposited":{"date-parts":[[2026,8,11]],"date-time":"2026-08-11T23:53:25Z","timestamp":1786492405000},"score":1,"resource":{"primary":{"URL":"http:\/\/www.thieme-connect.de\/DOI\/DOI?10.1055\/a-2823-0117"}},"subtitle":[],"short-title":[],"issued":{"date-parts":[[2026,3,2]]},"references-count":8,"journal-issue":{"issue":"04","published-online":{"date-parts":[[2026,8,11]]},"published-print":{"date-parts":[[2026,7]]}},"alternative-id":["a28230117"],"URL":"https:\/\/doi.org\/10.1055\/a-2823-0117","archive":["Portico","CLOCKSS"],"relation":{},"ISSN":["2234-6163","2234-6171"],"issn-type":[{"value":"2234-6163","type":"print"},{"value":"2234-6171","type":"electronic"}],"subject":[],"published-other":{"date-parts":[[2026,3,2]]},"published":{"date-parts":[[2026,3,2]]}}}