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  • Author: Alimujiang Wushou x
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Alimujiang Wushou, Meng Wang, Feiluore Yibulayin, Lei Feng, Meng-meng Lu, Yuan Luo, Hui Liu and Zhi-cheng Yang

Background: The incidence of oral squamous cell carcinoma (OSCC) is increasing, with an estimated 369,000 new patients each year worldwide. Surgery is the primary treatment modality for early-stage OSCC, but there is scant evidence to prove the value of elective neck dissection (END) for relatively small early-stage OSCC. This study aimed to identify factors predicting survival for patients with clinical stage T1N0M0 (cT1N0M0) OSCC and whether up-front END improved survival. Patients and Methods: Patients with cT1N0M0 OSCC who underwent tumor resection with or without END were identified and extracted from the SEER database. Kaplan-Meier survival analysis was used to assess overall survival and disease-specific survival. Prognostic factors were determined using Cox regression analysis. Results: A total of 5,752 patients with cT1N0M0 OSCC were extracted, of whom 2,194 (38.1%) underwent tumor resection surgery with concurrent END and 3,558 (61.9%) underwent only tumor resection. In a multivariate Cox analysis, a relatively advanced age (>62 years) and relatively high pathologic grade were the significant negative predictors, but married status (hazard ratio, 0.709; P=.006) and undergoing END (hazard ratio, 0.708; P<.001) were identified as significant independent positive factors. Conclusions: Patients with cT1N0M0 OSCC gain significant overall and disease-specific survival benefit from END.