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A large scalp nodule excised from a 70\u00a0year\u2010old man revealed a collision tumour composed of cells of squamous carcinoma (SCC) and malignant melanoma. Immunohistochemistry using dual staining for melanoma and squamous cell carcinoma demonstrated an unusual pattern; nests of melanoma cells surrounded by a layer of squamous carcinoma cells. The unique architecture observed in the case suggested a relationship between the two tumours.<\/jats:p>","DOI":"10.1111\/ajd.13218","type":"journal-article","created":{"date-parts":[[2019,12,30]],"date-time":"2019-12-30T05:51:25Z","timestamp":1577685085000},"update-policy":"https:\/\/doi.org\/10.1002\/crossmark_policy","source":"Crossref","is-referenced-by-count":4,"title":["Symbiotic collision tumour of the scalp: squamous cell carcinoma and malignant melanoma"],"prefix":"10.1111","volume":"61","author":[{"ORCID":"https:\/\/orcid.org\/0000-0002-3494-6799","authenticated-orcid":false,"given":"Varitsara","family":"Mangkorntongsakul","sequence":"first","affiliation":[{"name":"Gosford Hospital Central Coast Local Health District Gosford NSW Australia"}],"role":[{"role":"author","vocabulary":"crossref"}]},{"ORCID":"https:\/\/orcid.org\/0000-0002-8861-4773","authenticated-orcid":false,"given":"Er Tsing Vivian","family":"Tng","sequence":"additional","affiliation":[{"name":"Dermatology Registrar Royal Newcastle Centre Hunter New England Health John Hunter Hospital Newcastle NSW Australia"}],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"James","family":"Scurry","sequence":"additional","affiliation":[{"name":"Hunter Melanoma Unit Newcastle NSW Australia"}],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"Ralph","family":"Gourlay","sequence":"additional","affiliation":[{"name":"Pathology New South Wales Hunter New England North John Hunter Hospital Newcastle NSW Australia"}],"role":[{"role":"author","vocabulary":"crossref"}]}],"member":"311","published-online":{"date-parts":[[2019,12,29]]},"reference":[{"key":"e_1_2_4_2_1","doi-asserted-by":"publisher","DOI":"10.1016\/j.bjps.2008.07.033"},{"key":"e_1_2_4_3_1","first-page":"63","article-title":"Collision of squamous\u2010cell carcinoma with melanoma in situ in a child with xeroderma pigmentosum","volume":"203","author":"Hoffer A","year":"2001","journal-title":"Dermatology"},{"key":"e_1_2_4_4_1","doi-asserted-by":"publisher","DOI":"10.3174\/ng.9170210"},{"key":"e_1_2_4_5_1","first-page":"56","volume-title":"Dermatology","author":"Brownell I","year":"2018"}],"container-title":["Australasian Journal of Dermatology"],"original-title":[],"language":"en","link":[{"URL":"https:\/\/api.wiley.com\/onlinelibrary\/tdm\/v1\/articles\/10.1111%2Fajd.13218","content-type":"application\/pdf","content-version":"vor","intended-application":"text-mining"},{"URL":"https:\/\/onlinelibrary.wiley.com\/doi\/pdf\/10.1111\/ajd.13218","content-type":"application\/pdf","content-version":"vor","intended-application":"text-mining"},{"URL":"https:\/\/onlinelibrary.wiley.com\/doi\/full-xml\/10.1111\/ajd.13218","content-type":"application\/xml","content-version":"vor","intended-application":"text-mining"},{"URL":"https:\/\/onlinelibrary.wiley.com\/doi\/pdf\/10.1111\/ajd.13218","content-type":"unspecified","content-version":"vor","intended-application":"similarity-checking"}],"deposited":{"date-parts":[[2024,12,9]],"date-time":"2024-12-09T10:04:00Z","timestamp":1733738640000},"score":1,"resource":{"primary":{"URL":"https:\/\/onlinelibrary.wiley.com\/doi\/10.1111\/ajd.13218"}},"subtitle":[],"short-title":[],"issued":{"date-parts":[[2019,12,29]]},"references-count":4,"journal-issue":{"issue":"2","published-print":{"date-parts":[[2020,5]]}},"alternative-id":["10.1111\/ajd.13218"],"URL":"https:\/\/doi.org\/10.1111\/ajd.13218","archive":["Portico"],"relation":{},"ISSN":["0004-8380","1440-0960"],"issn-type":[{"type":"print","value":"0004-8380"},{"type":"electronic","value":"1440-0960"}],"subject":[],"published":{"date-parts":[[2019,12,29]]},"assertion":[{"value":"2019-07-31","order":0,"name":"received","label":"Received","group":{"name":"publication_history","label":"Publication History"}},{"value":"2019-11-17","order":2,"name":"accepted","label":"Accepted","group":{"name":"publication_history","label":"Publication History"}},{"value":"2019-12-29","order":3,"name":"published","label":"Published","group":{"name":"publication_history","label":"Publication History"}}]}}