Abstract：【Objective】 To investigate the effects of different position fixation methods on the determination of margins, control of positioning errors, and patient comfort during radiotherapy for head and neck tumor patients.【Methods】 A total of 256 patients with head and neck tumors undergoing radiotherapy were divided into two groups according to the fixation methods:128 patients received thermoplastic mask fixation(the control group), and 128 patients received thermoplastic mask combined with foam cushion fixation(the observation group). Positioning errors, margins, and treatment comfort were compared between the two groups.【Results】 In the observation group, positioning errors of the first and last treatments in the X-axis, Y-axis, and Z-axis directions were significantly lower than those in the control group(P<0.05). Margins in the X-axis, Y-axis, and Z-axis directions in the observation group were also significantly smaller than those in the control group(P<0.05), with greater uniformity. There was no statistically significant difference between the two groups in social, cultural, and environmental comfort scores(P>0.05). However, psychological comfort, physical comfort, and total comfort scores in the observation group were significantly higher than those in the control group(P<0.05).【Conclusion】 In radiotherapy for patients with head and neck tumors, combining thermoplastic mask with foam cushion for position fixation can significantly reduce positioning errors and margins, and enhance the comfort experience of patients throughout the treatment period.
郭璋琪, 李兵, 毛荣虎, 孙学明, 刘晓男. 头颈部肿瘤放疗中不同体位固定方式对外扩边界、摆位误差及患者舒适度的影响*[J]. 医学临床研究, 2025, 42(9): 1512-1515.
GUO Zhangqi, LI Bing, MAO Ronghu, et al. Effects of Different Position Fixation Methods on Margins, Positioning Errors, and Patient Comfort during Radiotherapy for Head and Neck Tumors. JOURNAL OF CLINICAL RESEARCH, 2025, 42(9): 1512-1515.
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