Abstract
The objective of this study is to report the long-term outcomes of primary radiotherapy (RT) for patients with T1–T2 squamous cell carcinomas (SCC) of the pyriform sinus. Between November 1964 and March 2008, 135 patients with T1–T2 pyriform sinus SCC were treated with primary RT at the University of Florida. Adjuvant chemotherapy was employed in 21 patients (16 %) and 62 patients (46 %) underwent a planned neck dissection. Median follow-up was 3.5 years (range 0.2–24.7 years); median follow-up on living patients was 8.3 years (range 3.8–24.0 years). The 5-year outcomes were as follows: local control, 85 %; regional control, 81 %; local–regional control, 71 %; distant metastasis-free survival, 76 %; cause-specific survival, 62 %; and overall survival, 38 %. The 5-year local control rate was 88 % for T1 cancers and 84 % for those with T2 SCCs (p = 0.5429). Sixteen patients (12 %) experienced severe late complications. Primary RT results in a high probability of cure with a relatively modest risk of severe late complications for patients with T1–T2 SCCs of the pyriform sinus.
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Mendenhall, W.M., Amdur, R.J., Morris, C.G. et al. Primary radiotherapy for squamous cell carcinoma of the pyriform sinus. Eur Arch Otorhinolaryngol 273, 1857–1862 (2016). https://doi.org/10.1007/s00405-015-3658-x
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DOI: https://doi.org/10.1007/s00405-015-3658-x