{"status":"ok","message-type":"work","message-version":"1.0.0","message":{"indexed":{"date-parts":[[2025,7,7]],"date-time":"2025-07-07T07:08:06Z","timestamp":1751872086527,"version":"3.40.5"},"reference-count":26,"publisher":"Wiley","issue":"9","license":[{"start":{"date-parts":[[2021,5,3]],"date-time":"2021-05-03T00:00:00Z","timestamp":1620000000000},"content-version":"vor","delay-in-days":0,"URL":"http:\/\/onlinelibrary.wiley.com\/termsAndConditions#vor"}],"funder":[{"DOI":"10.13039\/501100003725","name":"National Research Foundation of Korea","doi-asserted-by":"publisher","award":["2016R1D1A1B04932112"],"award-info":[{"award-number":["2016R1D1A1B04932112"]}],"id":[{"id":"10.13039\/501100003725","id-type":"DOI","asserted-by":"publisher"}]}],"content-domain":{"domain":["onlinelibrary.wiley.com"],"crossmark-restriction":true},"short-container-title":["Head &amp; Neck"],"published-print":{"date-parts":[[2021,9]]},"abstract":"<jats:title>Abstract<\/jats:title><jats:sec><jats:title>Background<\/jats:title><jats:p>The importance of elective parotidectomy in early\u2010stage squamous cell carcinoma (SCC) of the external auditory canal (EAC) is not well established.<\/jats:p><\/jats:sec><jats:sec><jats:title>Methods<\/jats:title><jats:p>A retrospective study of 43 patients with early\u2010stage SCC of the EAC who underwent parotidectomy in conjunction with lateral temporal bone resection at three centers.<\/jats:p><\/jats:sec><jats:sec><jats:title>Results<\/jats:title><jats:p>Overall occult parotid involvement (OPI) rate in early\u2010stage SCC of the EAC was 13.9% (6\/43). When considering both the anteroposterior position and the bony\u2010cartilaginous position, patients with SCC in both the anterior wall and cartilaginous portion exhibited significantly higher OPI than other locations (37.5% vs. 0%, <jats:italic>p<\/jats:italic>\u00a0=\u00a00.001), with an increase in the OPI predictive value.<\/jats:p><\/jats:sec><jats:sec><jats:title>Conclusion<\/jats:title><jats:p>SCC located in either the anterior wall of the EAC or the cartilaginous portion of the EAC or both simultaneously showed a high prevalence of OPI, and elective parotidectomy should be considered in those patients.<\/jats:p><\/jats:sec>","DOI":"10.1002\/hed.26729","type":"journal-article","created":{"date-parts":[[2021,5,3]],"date-time":"2021-05-03T08:47:01Z","timestamp":1620031621000},"page":"2655-2662","update-policy":"https:\/\/doi.org\/10.1002\/crossmark_policy","source":"Crossref","is-referenced-by-count":4,"title":["Occult parotid involvement in early\u2010stage squamous cell carcinoma of the external auditory canal"],"prefix":"10.1002","volume":"43","author":[{"ORCID":"https:\/\/orcid.org\/0000-0002-6596-931X","authenticated-orcid":false,"given":"Jae Won","family":"Chang","sequence":"first","affiliation":[{"name":"Department of Otorhinolaryngology\u2014Head and Neck Surgery Chungnam National University College of Medicine  Daejeon South Korea"}],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"Seulgi","family":"Lee","sequence":"additional","affiliation":[{"name":"Department of Otorhinolaryngology\u2014Head and Neck Surgery Chungnam National University College of Medicine  Daejeon South Korea"}],"role":[{"role":"author","vocabulary":"crossref"}]},{"ORCID":"https:\/\/orcid.org\/0000-0003-2793-9045","authenticated-orcid":false,"given":"Jeon Mi","family":"Lee","sequence":"additional","affiliation":[{"name":"Department of Otorhinolaryngology, Ilsan Paik Hospital Inje University College of Medicine  Ilsan South 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