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BACKGROUND: The purpose of this study was to investigate the prognostic factors and treatment results of T1N0M0 glottic laryngeal carcinoma irradiated with 2.3 Gray (Gy) per fraction. METHODS: A total of 183 patients with glottic carcinoma treated between June 1998 and January 2007 were retrospectively evaluated. Of the 183 patients, 163 patients (89%) had T1a and 20 patients (11%) had T1b disease. All patients received 2.3 Gy per fraction to a median total dose of 64.4 Gy. RESULTS: The median follow-up was 63 months. The 5-year overall survival (OS), local control, and cancer-specific survival rates were 89%, 81%, and 90%, respectively. Multivariate analysis showed overall treatment time and age to be significant prognostic factors for local control and OS. We observed no grade IV or grade V acute toxicity. Trachea-esophageal fistula as late toxicity was observed in only 1 patient. CONCLUSIONS: High daily fraction scheme seems to be a feasible schedule for early glottic carcinomas.
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Gültekin et al. (2011) studied this question.
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