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Soo-Yoon Sung(Soo-Yoon Sung),Jin Ho Song(Jin Ho Song),Byoung Hyuck Kim(Byoung Hyuck Kim),Yoo-Kang Kwak(Yoo-Kang Kwak),Kyung Su Kim(Kyung Su Kim),Gyu Sang Yoo(Gyu Sang Yoo),Hwa Kyung Byun(Hwa Kyung Byu 대한방사선종양학회 2024 Radiation Oncology Journal Vol.42 No.1
Advances in radiotherapy (RT) techniques, including intensity-modulated RT and image-guided RT, have allowed hypofractionation, increasing the fraction size over the conventional dose of 1.8–2.0 Gy. Hypofractionation offers advantages such as shorter treatment times, improved compliance, and under specific conditions, particularly in tumors with a low α/β ratio, higher efficacy. It was initially explored for use in RT for prostate cancer and adjuvant RT for breast cancer, and its application has been extended to various other malignancies. Hypofractionated RT (HFRT) may also be effective in patients who are unable to undergo conventional treatment owing to poor performance status, comorbidities, or old age. The treatment of brain tumors with HFRT is relatively common because brain stereotactic radiosurgery has been performed for over two decades. However, re-irradiation of recurrent lesions and treatment of elderly or frail patients are areas under investigation. HFRT for head and neck cancer has not been widely used because of concerns regarding late toxicity. Thus, we aimed to provide a comprehensive summary of the current evidence for HFRT for brain tumors and head and neck cancer and to offer practical recommendations to clinicians faced with the challenge of choosing new treatment options.