Affiliation:
1. Department of Head Neck and Thyroid The Affiliated Cancer Hospital of Zhengzhou University & Henan Cancer Hospital Zhengzhou China
2. Department of Radiology The Affiliated Cancer Hospital of Zhengzhou University & Henan Cancer Hospital Zhengzhou China
Abstract
AbstractObjectiveOur objective is to assess the oncologic outcomes of observation, elective neck dissection (END), and elective neck irradiation (ENI) in the neck management of head and neck cutaneous squamous cell carcinoma (HNcSCC) with parotid metastasis (P+) and to evaluate the quality of life (QoL) of patients who received END or ENI.MethodsPatients with P+ HNcSCC were retrospectively enrolled. The impact of observation, END, and ENI on regional control (RC) and overall survival (OS) was analyzed using Cox proportional hazards model with presentation via hazard ratio (HR) with a 95% confidence interval (CI). QoL was evaluated using the University of Washington Quality of Life questionnaire.ResultsA total of 134 patients were included in our analysis. In the Cox model for RC, both END and ENI had decreased HRs of 0.27 (95% CI: 0.15–0.69) and 0.34 (95% CI: 0.18–0.86), respectively, in comparison with observation. In the Cox model for OS, both END (p = 0.001, HR: 0.22, 95% CI: 0.10–0.72) and ENI (p = 0.006, HR: 0.30, 95% CI: 0.17–0.83) were superior to observation. In patients with three or more positive parotid lymph nodes, END resulted in significantly better RC (p < 0.001) and OS (p = 0.001) compared with ENI. The two groups were found to be comparable in all 12 domains of the University of Washington Quality of Life questionnaire.ConclusionIn the neck management of P+ HNcSCC, observation is not recommended. END is the preferred option, but ENI is an alternative method without compromise to survival or QoL, except in cases with three or more metastatic parotid lymph nodes.
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