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Published on: April 20, 2018
Comparison of Three Fractionation Schedules in Radiotherapy for Early Glottic Squamous Cell Carcinoma
Gen Suzuki1, Hideya Yamazaki2, Norihiro Aibe2
1Department of Radiology, Kyoto Prefectural University Graduate School of Medical Science, Kyoto, Japan gensuzu@koto.kpu-m.ac.jp.
Background/Aim:
Radiotherapy is widely accepted as the treatment of choice for early glottic squamous cell carcinoma (EGSCC), although it varies greatly with respect to dose, dose per fraction, and treatment techniques. The study aim was to evaluate the use of accelerated fractionation strategy (AFS) for EGSCC in standard clinical practice.
Patients And Methods:
Patients treated with definitive radiotherapy for EGSCC between 2008 and 2019 were retrospectively identified and received either conventional fractionation, hypofractionation, or hyperfractionation.
Results:
One hundred six patients were analyzed, and 19, 71, and 16 patients underwent conventional fractionation, hypofractionation, and hyperfractionation, respectively. The median follow-up was 56 months. The 5-year local control and overall survival rates were 79% and 83%; 78% and 79%; and 87% and 77%, respectively, and no significant difference was observed between the fractionation schedules.
Conclusion:
Our findings confirmed the utility of AFS in standard clinical practice and support its use for patients with EGSCC.
