Abstract
We report outcomes among patients with T2 and select T3 glottic squamous cell carcinoma (SCC) treated with radiotherapy. We reviewed T2 and T3 (only paraglottic space invasion) N0 M0 glottic SCC patients treated with curative-intent hypofractionated larynx radiotherapy, with or without concurrent systemic therapy. Of 71 patients, those who received concurrent chemotherapy (23/71; 32%) had worse prognostic factors, including impaired cord mobility (70% vs. 40%, p=0.02) and larger median gross tumor volume (3.0 vs. 1.6cm3 , p=0.003). Over a median follow-up of 3.8 years, 2-year local controlamong patients with impaired cord mobility appeared higher for those who received chemotherapy (88% vs. 61%, p=0.12), but the difference was not statistically significant. Acute and late toxicity rates were not higher among patients who received chemotherapy. The addition of concurrent platinum-based chemotherapy to hypofractionated larynx radiotherapy among patients with early-stage glottic SCC with impaired cord mobility appears safe and worthy of additional investigation.
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