Neck level Ib-sparing versus level Ib-irradiation in intensity-modulated radiotherapy for the treatment of nasopharyngeal carcinoma with high-risk factors: A propensity score-matched cohort study

Gaoyuan Wang,Chenglong Huang,Kaibin Yang,Rui Guo,Youyu Qiu,Wenfei Li,Yanping Mao,Linglong Tang,Jun Ma

Radiotherapy and Oncology（2022）

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摘要

•Clinical neck level Ib lymph node involvement is rare (1.4%)•Level 1b sparing is safe even with the presence of ENE or large (>2 cm) level II node(s) without positive level Ib lymph nodes.•Level 1b sparing provides long-term reduction of dry mouth symptom.

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关键词

Nasopharyngeal carcinoma,Level Ib-sparing,Level Ib-irradiation,Propensity score matching

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