{"status":"ok","message-type":"work","message-version":"1.0.0","message":{"indexed":{"date-parts":[[2026,8,3]],"date-time":"2026-08-03T16:58:34Z","timestamp":1785776314204,"version":"3.56.0"},"reference-count":20,"publisher":"Wiley","issue":"5","license":[{"start":{"date-parts":[[2026,5,11]],"date-time":"2026-05-11T00:00:00Z","timestamp":1778457600000},"content-version":"vor","delay-in-days":0,"URL":"http:\/\/onlinelibrary.wiley.com\/termsAndConditions#vor"},{"start":{"date-parts":[[2026,5,11]],"date-time":"2026-05-11T00:00:00Z","timestamp":1778457600000},"content-version":"tdm","delay-in-days":0,"URL":"http:\/\/doi.wiley.com\/10.1002\/tdm_license_1.1"}],"content-domain":{"domain":["onlinelibrary.wiley.com"],"crossmark-restriction":true},"short-container-title":["Clinical Otolaryngology"],"published-print":{"date-parts":[[2026,9]]},"abstract":"<jats:title>ABSTRACT<\/jats:title>\n                  <jats:sec>\n                    <jats:title>Background<\/jats:title>\n                    <jats:p>The optimal surgical management of high\u2010grade parotid carcinoma confined to the superficial lobe remains controversial, with limited evidence comparing total and superficial parotidectomy in this setting.<\/jats:p>\n                  <\/jats:sec>\n                  <jats:sec>\n                    <jats:title>Objective<\/jats:title>\n                    <jats:p>To compare oncologic outcomes and complications between total parotidectomy with postoperative radiotherapy (TP\u2009+\u2009PORT) and superficial parotidectomy with postoperative radiotherapy (SP\u2009+\u2009PORT).<\/jats:p>\n                  <\/jats:sec>\n                  <jats:sec>\n                    <jats:title>Study Design<\/jats:title>\n                    <jats:p>Multicentre retrospective cohort study.<\/jats:p>\n                  <\/jats:sec>\n                  <jats:sec>\n                    <jats:title>Methods<\/jats:title>\n                    <jats:p>Adult patients (&gt;\u200918\u2009years) with high\u2010grade parotid carcinoma confined to the superficial lobe treated between 2011 and 2023 were identified at tertiary centres. Exclusion criteria included preoperative facial nerve palsy, metastatic disease to the parotid gland, prior head and neck radiotherapy, receipt of concurrent chemoradiation and follow\u2010up &lt;\u200912\u2009months.<\/jats:p>\n                  <\/jats:sec>\n                  <jats:sec>\n                    <jats:title>Results<\/jats:title>\n                    <jats:p>\n                      A total of 108 patients were included (TP\u2009+\u2009PORT,\n                      <jats:italic>n<\/jats:italic>\n                      \u2009=\u200963; SP\u2009+\u2009PORT,\n                      <jats:italic>n<\/jats:italic>\n                      \u2009=\u200945) with a median follow\u2010up of 53\u2009months. Baseline characteristics were comparable except for older age and a higher proportion of Milan category VI cytology in the TP\u2009+\u2009PORT group (\n                      <jats:italic>p<\/jats:italic>\n                      \u2009&lt;\u20090.05). Local, regional and distant recurrence rates and mortality did not differ significantly between groups (\n                      <jats:italic>p<\/jats:italic>\n                      \u2009=\u20090.55, 0.26, 1.00 and 0.36, respectively). All local recurrences occurred within 24\u2009months (mean: 7.2\u2009months). Age and positive resection margins were independent predictors of mortality (\n                      <jats:italic>p<\/jats:italic>\n                      \u2009&lt;\u20090.01). Five\u2010year overall survival was 73.0% in the TP\u2009+\u2009PORT group and 81.5% in the SP\u2009+\u2009PORT group. IPTW\u2010adjusted analyses confirmed no significant differences in recurrence or mortality between groups (hazard ratio for mortality, 0.78; 95% CI: 0.32\u20131.90;\n                      <jats:italic>p<\/jats:italic>\n                      \u2009=\u20090.59). Permanent facial nerve palsy was significantly more common after TP\u2009+\u2009PORT (14.3% vs. 2.2%,\n                      <jats:italic>p<\/jats:italic>\n                      \u2009&lt;\u20090.001), while other complications were similar.\n                    <\/jats:p>\n                  <\/jats:sec>\n                  <jats:sec>\n                    <jats:title>Conclusion<\/jats:title>\n                    <jats:p>Superficial parotidectomy with adequate margins followed by PORT achieves comparable oncologic outcomes with significantly fewer complications and may be preferred for high\u2010grade parotid carcinoma confined to the superficial lobe.<\/jats:p>\n                  <\/jats:sec>\n                  <jats:sec>\n                    <jats:title>Level of Evidence<\/jats:title>\n                    <jats:p>2d (JBI).<\/jats:p>\n                  <\/jats:sec>","DOI":"10.1111\/coa.70115","type":"journal-article","created":{"date-parts":[[2026,5,12]],"date-time":"2026-05-12T06:02:14Z","timestamp":1778565734000},"page":"678-686","update-policy":"https:\/\/doi.org\/10.1002\/crossmark_policy","source":"Crossref","is-referenced-by-count":0,"title":["Treatment Outcomes of Total Versus Superficial Parotidectomy With Postoperative Radiotherapy for High\u2010Grade Parotid Carcinoma Confined to the Superficial Lobe: A Propensity Score\u2013Adjusted Analysis"],"prefix":"10.1111","volume":"51","author":[{"ORCID":"https:\/\/orcid.org\/0000-0002-9737-3027","authenticated-orcid":false,"given":"Wisarut","family":"Samuckkeethum","sequence":"first","affiliation":[{"name":"Department of Otolaryngology, Faculty of Medicine Chulalongkorn University  Bangkok Thailand"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"ORCID":"https:\/\/orcid.org\/0000-0002-0802-9049","authenticated-orcid":false,"given":"Yosita","family":"Muenkaew","sequence":"additional","affiliation":[{"name":"Department of Otolaryngology, Faculty of Medicine, Ramathibodi Hospital Mahidol University  Bangkok Thailand"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"ORCID":"https:\/\/orcid.org\/0000-0002-4366-6414","authenticated-orcid":false,"given":"Narin","family":"Ratanaprasert","sequence":"additional","affiliation":[{"name":"Department of Otorhinolaryngology, Faculty of Medicine Siriraj Hospital Mahidol University  Bangkok Thailand"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"ORCID":"https:\/\/orcid.org\/0009-0005-3354-157X","authenticated-orcid":false,"given":"Thanapat","family":"Supakmontri","sequence":"additional","affiliation":[{"name":"Department of Otolaryngology, Faculty of Medicine Thammasat University Hospital, Thammasat University  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