International journal of clinical oncology · 2020
Chemoradiotherapy for high-risk stage II laryngeal cancer.
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Hamauchi Satoshi, Yokota Tomoya, Onozawa Yusuke, Ogawa Hirofumi, Onoe Tsuyoshi, Kamijo Tomoyuki, Iida Yoshiyuki, Onitsuka Tetsuro, Yasui Hirofumi
Аннотация
BACKGROUND: Definitive radiotherapy (RT) for stage II laryngeal cancer is known to be less effective for locoregional control and survival (LRCS) in patients with high-risk factors (e.g., subglottic extension, impaired cord mobility, or bulky tumor size) than in low-risk patients. The purpose of this study was to evaluate the safety and efficacy of chemoradiotherapy (CRT) for stage II laryngeal cancer patients with high-risk factors METHODS: Sixty-five consecutive patients with stage II laryngeal cancer who received radiotherapy (RT) alone or CRT were retrospectively analyzed. The patients were classified into three groups: RT, low risk (RT-low, n = 26); RT, high risk (RT-high, n = 25); and CRT, high risk (CRT-high, n = 14).
RESULTS: The glottis was the most common primary tumor site in all groups. Most patients in the CRT-high group received platinum-based CRT. The 5-year locoregional control and survival (LRCS) rates were 88.3, 44.2, and 85.7% in the RT-low, RT-high, and CRT-high groups, respectively. In multivariate analysis, high-risk disease and CRT were significantly associated with 5-year LRCS rates.
CONCLUSION: CRT may provide better locoregional control than RT alone in high-risk stage II laryngeal cancer.
RESULTS: The glottis was the most common primary tumor site in all groups. Most patients in the CRT-high group received platinum-based CRT. The 5-year locoregional control and survival (LRCS) rates were 88.3, 44.2, and 85.7% in the RT-low, RT-high, and CRT-high groups, respectively. In multivariate analysis, high-risk disease and CRT were significantly associated with 5-year LRCS rates.
CONCLUSION: CRT may provide better locoregional control than RT alone in high-risk stage II laryngeal cancer.