Background: The aim of this study was to determine whether patients with clinically node-negative (cN0) locally advanced squamous cell carcinoma (SCC) of the larynx who receive total laryngectomy (TL) benefit from elective neck dissection (END) before adjuvant postoperative radiotherapy (RT). Methods: A retrospective review of 36 patients who received TL and adjuvant postoperative RT for laryngeal SCC between 1988 and 2013 was carried out. Patients had either T3 (n = 7; 19%) or T4a (n = 29; 81%) primaries, and all had clinically node-negative disease. All patients underwent TL and adjuvant RT. Patients underwent either a planned unilateral END, a bilateral END, or no END. Results: Median follow-up was 3.3 years (range, 0.3-18.4 years). Occult nodal metastases were found in 9 (32%) of 28 patients receiving END. 5-year control and survival rates for all patients were: local-regional control, 92% (END 91% vs. no END 100%; p = 0.4922); cause-specific survival, 80%; distant metastasis-free survival, 88%; and overall survival, 52%. Local-regional control and survival were not influenced by END. 5 (14%) patients experienced grade 3 or 4 toxicities. Conclusion: In this patient population, those not receiving END at the time of TL had equivalent rates of local-regional control and survival as those receiving END, although our sample size not receiving END was relatively small.

Journal Section:
Original Article
Keywords:
Outcomes, Head and neck cancer, Radiation therapy, Laryngeal cancer, Squamous cell carcinoma
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