{"status":"ok","message-type":"work","message-version":"1.0.0","message":{"indexed":{"date-parts":[[2026,9,15]],"date-time":"2026-09-15T20:00:31Z","timestamp":1789502431760,"version":"build-2803163510"},"reference-count":21,"publisher":"MDPI AG","issue":"21","license":[{"start":{"date-parts":[[2023,10,30]],"date-time":"2023-10-30T00:00:00Z","timestamp":1698624000000},"content-version":"vor","delay-in-days":0,"URL":"https:\/\/creativecommons.org\/licenses\/by\/4.0\/"}],"funder":[{"name":"Baskent University Adana Dr. Turgut Noyan Application and Research Center"}],"content-domain":{"domain":[],"crossmark-restriction":false},"short-container-title":["JCM"],"abstract":"<jats:p>Background and purpose: Muscle loss is a significant indicator of cancer cachexia and is associated with a poor prognosis in cancer patients. Given the absence of comparable studies, the current retrospective study sought to examine the correlation between the total masseter muscle volume (TMMV) before treatment and the survival outcomes in locally advanced nasopharyngeal cancer (LA-NPC) patients who received definitive concurrent chemoradiotherapy (CCRT). Methods: A three-dimensional segmentation model was used to determine the TMMV for each patient by analyzing pre-CCRT magnetic resonance imaging. The optimal TMMV cutoff values were searched using receiver operating characteristic (ROC) curve analyses. The primary and secondary endpoints were the relationship between the pre-CCRT TMMV measures and overall survival (OS) and progression-free survival (PFS), respectively. Results: Ninety-seven patients were included in this study. ROC curve analyses revealed 38.0 cc as the optimal TMMV cutoff: \u226438.00 cc (n = 42) and &gt;38.0 cc (n = 55). Comparisons between the two groups showed that the TMMV&gt;38.0 cc group had significantly longer PFS [Not reached (NR) vs. 28; p &lt; 0.01] and OS (NR vs. 71; p &lt; 0.01) times, respectively. The results of the multivariate analysis demonstrated that the T-stage, N-stage, number of concurrent chemotherapy cycles, and TMMV were independent associates of PFS (p &lt; 0.05 for each) and OS (p &lt; 0.05 for each) outcomes, respectively. Conclusion: The findings of the current retrospective research suggest that pretreatment TMMV is a promising indicator for predicting survival outcomes in LA-NPC patients receiving definitive CCRT.<\/jats:p>","DOI":"10.3390\/jcm12216863","type":"journal-article","created":{"date-parts":[[2023,10,30]],"date-time":"2023-10-30T13:20:07Z","timestamp":1698672007000},"page":"6863","update-policy":"https:\/\/doi.org\/10.3390\/mdpi_crossmark_policy","source":"Crossref","is-referenced-by-count":5,"title":["Pretreatment Masseter Muscle Volume Predicts Survival in Locally Advanced Nasopharyngeal Carcinoma Patients Treated with Concurrent Chemoradiotherapy"],"prefix":"10.3390","volume":"12","author":[{"ORCID":"https:\/\/orcid.org\/0000-0001-5871-0695","authenticated-orcid":false,"given":"Umur Anil","family":"Pehlivan","sequence":"first","affiliation":[{"name":"Department of Radiology, Adana Dr. Turgut Noyan Application and Research Center, Faculty of Medicine, Baskent University, Adana 01120, Turkey"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"ORCID":"https:\/\/orcid.org\/0000-0001-8251-6913","authenticated-orcid":false,"given":"Efsun","family":"Somay","sequence":"additional","affiliation":[{"name":"Department of Oral and Maxillofacial Surgery, Adana Dr. Turgut Noyan Application and Research Center, Faculty of Dentistry, Baskent University, Adana 01120, Turkey"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"ORCID":"https:\/\/orcid.org\/0000-0003-0633-5648","authenticated-orcid":false,"given":"Busra","family":"Yilmaz","sequence":"additional","affiliation":[{"name":"Department of Oral and Maxillofacial Radiology, School of Dental Medicine, Bahcesehir University, Istanbul 34349, Turkey"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Ali Ayberk","family":"Besen","sequence":"additional","affiliation":[{"name":"Department of Medical Oncology, Medical Park Seyhan Hospital, Adana 07160, Turkey"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Huseyin","family":"Mertsoylu","sequence":"additional","affiliation":[{"name":"Department of Medical Oncology, Medical Park Adana Hospital, Istinye University, Istanbul 34010, Turkey"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"ORCID":"https:\/\/orcid.org\/0000-0001-8087-3140","authenticated-orcid":false,"given":"Ugur","family":"Selek","sequence":"additional","affiliation":[{"name":"Department of Radiation Oncology, Koc University School of Medicine, Istanbul 34010, Turkey"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"ORCID":"https:\/\/orcid.org\/0000-0001-8120-7123","authenticated-orcid":false,"given":"Erkan","family":"Topkan","sequence":"additional","affiliation":[{"name":"Department of Radiation Oncology, Adana Dr. Turgut Noyan Application and Research Center, Faculty of Medicine, Baskent University, Adana 01120, Turkey"}],"role":[{"vocabulary":"crossref","role":"author"}]}],"member":"1968","published-online":{"date-parts":[[2023,10,30]]},"reference":[{"key":"ref_1","doi-asserted-by":"crossref","first-page":"6604","DOI":"10.1002\/cam4.2538","article-title":"Severe muscle loss during radical chemoradiotherapy for non-metastatic nasopharyngeal carcinoma predicts poor survival","volume":"8","author":"Huang","year":"2019","journal-title":"Cancer Med."},{"key":"ref_2","doi-asserted-by":"crossref","first-page":"1035","DOI":"10.1158\/1055-9965.EPI-20-1702","article-title":"The evolving epidemiology of nasopharyngeal carcinoma","volume":"30","author":"Chang","year":"2021","journal-title":"Cancer Epidemiol. 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Cachexia Sarcopenia Muscle"}],"container-title":["Journal of Clinical Medicine"],"original-title":[],"language":"en","link":[{"URL":"https:\/\/www.mdpi.com\/2077-0383\/12\/21\/6863\/pdf","content-type":"unspecified","content-version":"vor","intended-application":"similarity-checking"}],"deposited":{"date-parts":[[2025,10,10]],"date-time":"2025-10-10T21:14:33Z","timestamp":1760130873000},"score":1,"resource":{"primary":{"URL":"https:\/\/www.mdpi.com\/2077-0383\/12\/21\/6863"}},"subtitle":[],"short-title":[],"issued":{"date-parts":[[2023,10,30]]},"references-count":21,"journal-issue":{"issue":"21","published-online":{"date-parts":[[2023,11]]}},"alternative-id":["jcm12216863"],"URL":"https:\/\/doi.org\/10.3390\/jcm12216863","relation":{},"ISSN":["2077-0383"],"issn-type":[{"value":"2077-0383","type":"electronic"}],"subject":[],"published":{"date-parts":[[2023,10,30]]}}}