{"status":"ok","message-type":"work","message-version":"1.0.0","message":{"indexed":{"date-parts":[[2026,4,15]],"date-time":"2026-04-15T22:37:17Z","timestamp":1776292637098,"version":"3.50.1"},"reference-count":17,"publisher":"Wiley","issue":"6","license":[{"start":{"date-parts":[[2016,7,18]],"date-time":"2016-07-18T00:00:00Z","timestamp":1468800000000},"content-version":"vor","delay-in-days":0,"URL":"http:\/\/onlinelibrary.wiley.com\/termsAndConditions#vor"}],"content-domain":{"domain":[],"crossmark-restriction":false},"short-container-title":["Clinical Otolaryngology"],"published-print":{"date-parts":[[2016,12]]},"abstract":"<jats:sec><jats:title>Objectives<\/jats:title><jats:p>Pleomorphic adenoma (<jats:styled-content style=\"fixed-case\">PA<\/jats:styled-content>) is reported to be the most common benign parotid tumour followed by Warthin tumour (<jats:styled-content style=\"fixed-case\">WT<\/jats:styled-content>), but the proportion of these two entities might have changed.<\/jats:p><\/jats:sec><jats:sec><jats:title>Design<\/jats:title><jats:p>Retrospective file analysis.<\/jats:p><\/jats:sec><jats:sec><jats:title>Setting<\/jats:title><jats:p>Tertiary referral head and neck centre.<\/jats:p><\/jats:sec><jats:sec><jats:title>Participants<\/jats:title><jats:p>Patients who underwent a parotidectomy within a period of 25 years (1990\u20132014).<\/jats:p><\/jats:sec><jats:sec><jats:title>Main outcome measures<\/jats:title><jats:p>Rate of occurrence of <jats:styled-content style=\"fixed-case\">PA<\/jats:styled-content> and <jats:styled-content style=\"fixed-case\">WT<\/jats:styled-content> as well as the development of the <jats:styled-content style=\"fixed-case\">PA<\/jats:styled-content>\/<jats:styled-content style=\"fixed-case\">WT<\/jats:styled-content> ratio over the years.<\/jats:p><\/jats:sec><jats:sec><jats:title>Results<\/jats:title><jats:p>Overall, 1818 patients with <jats:styled-content style=\"fixed-case\">WT<\/jats:styled-content> (707, 38.9%) and <jats:styled-content style=\"fixed-case\">PA<\/jats:styled-content> (1111, 61.1%) were identified. There was a dominance of <jats:styled-content style=\"fixed-case\">PA<\/jats:styled-content> over <jats:styled-content style=\"fixed-case\">WT<\/jats:styled-content> in all years. An increase in percentage of <jats:styled-content style=\"fixed-case\">WT<\/jats:styled-content>, from 24% in 1990 to 48% in 2014, in comparison with <jats:styled-content style=\"fixed-case\">PA<\/jats:styled-content> was evident.<\/jats:p><\/jats:sec><jats:sec><jats:title>Conclusions<\/jats:title><jats:p>In our single\u2010institution hospital\u2010based material of parotidectomies, the percentage of <jats:styled-content style=\"fixed-case\">WT<\/jats:styled-content> in comparison with <jats:styled-content style=\"fixed-case\">PA<\/jats:styled-content> has significantly increased over the last 25 years.<\/jats:p><\/jats:sec>","DOI":"10.1111\/coa.12694","type":"journal-article","created":{"date-parts":[[2016,6,25]],"date-time":"2016-06-25T13:16:56Z","timestamp":1466860616000},"page":"793-797","source":"Crossref","is-referenced-by-count":36,"title":["The incidence of Warthin tumours and pleomorphic adenomas in the parotid gland over a 25\u2010year period"],"prefix":"10.1111","volume":"41","author":[{"given":"J.C.","family":"Luers","sequence":"first","affiliation":[{"name":"Department of Otorhinolaryngology Head and Neck Surgery Medical Faculty University of Cologne Cologne Germany"}],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"O.","family":"Guntinas\u2010Lichius","sequence":"additional","affiliation":[{"name":"Department of Otorhinolaryngology Head and Neck Surgery Medical Faculty Jena University Hospital Jena Germany"}],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"J.P.","family":"Klussmann","sequence":"additional","affiliation":[{"name":"Department of Otorhinolaryngology Head and Neck Surgery Medical Faculty University of Giessen Giessen Germany"}],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"C.","family":"K\u00fcsgen","sequence":"additional","affiliation":[{"name":"Department of Otorhinolaryngology Head and Neck Surgery Medical Faculty University of Cologne Cologne Germany"}],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"D.","family":"Beutner","sequence":"additional","affiliation":[{"name":"Department of Otorhinolaryngology Head and Neck Surgery Medical Faculty University of Cologne Cologne Germany"}],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"M.","family":"Grosheva","sequence":"additional","affiliation":[{"name":"Department of Otorhinolaryngology Head and Neck Surgery Medical Faculty University of Cologne Cologne Germany"}],"role":[{"role":"author","vocabulary":"crossref"}]}],"member":"311","published-online":{"date-parts":[[2016,7,18]]},"reference":[{"key":"e_1_2_9_2_1","doi-asserted-by":"publisher","DOI":"10.1016\/j.otohns.2006.11.037"},{"key":"e_1_2_9_3_1","volume-title":"Salivary Gland Disorders and Diseases: Diagnosis and Management","author":"Bradley P.J.","year":"2011"},{"key":"e_1_2_9_4_1","volume-title":"Salivary Gland Diseases. 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