医疗卫生装备2024，Vol.45Issue(7)：56-61,6.DOI:10.19745/j.1003-8868.2024132
发泡胶热塑膜组合固定方式下头部及头颈部肿瘤质子重离子治疗中的摆位误差分析
Setup error analysis during proton and heavy ion therapy for head and head neck tumor patients with fixation by thermoplastic film combined with styrofoam
刘珠磊 1步蕊蕊 1周丹 1里尧 1吴玲敏 1张东鹏 1张江兵 1尤丹2
作者信息
- 1. 上海市质子重离子医院放射物理科,上海 201321||上海市放射肿瘤学重点实验室,上海 201321||上海质子重离子放射治疗工程技术研究中心,上海 201321
- 2. 上海市质子重离子医院放射物理科,上海 201321||上海市放射肿瘤学重点实验室,上海 201321||上海质子重离子放射治疗工程技术研究中心,上海 201321||复旦大学附属肿瘤医院放射物理科,上海 201321
- 折叠
摘要
Abstract
Objective To analyze the setup errors during proton and heavy ion therapy for head and head neck tumor patients fixed by thermoplastic film combined with styrofoam.Methods Totally 20 patients undergoing proton and heavy ion therapy at some hospital from January to December 2018 were selected retrospectively,of whom 10 ones had head tumors with clinical targets located in the head and the other 10 cases had head and neck tumors with clinical targets distributed in the head and neck.All the 20 patients were fixed with thermoplastic film combined with styrofoam.The head and neck images of the patients acquired after image guidance were aligned with the CT localization-based digitally reconstructed radiograph images,and the setup errors at six-dimensional directions(left-right translation,head-foot translation,forward-backward translation,isocentric rotation,pitch rotation and transverse-roll rotation)were recorded in the first five and the last five times of radiotherapy treatment.The data were processed by using the SPSS 23.0 statistical software and EXCEL.Results There were no significant differences between the head tumor patients in the setup errors at the six directions during the first and last five times of radiotherapy(P＞0.05).The head and neck tumor patients did not have obvious differences in the setup errors at the the directions of left-right translation,forward-backward translation,isocentric rotation and transverse-roll rotation(P＞0.05),while did at the directions of head-foot translation and pitch rotation(P＜0.05).The head and head neck tumor patients with the fixation by thermoplastic film combined with styrofoam had their setup errors at the six directions meet clinical requirements after calibration by the six-dimensional treatment table.Conclusion The fixation mode by thermoplastic film and styrofoam behaves well to enhance the setup repeatability for head tumor patients at the six-dimensional directions,while not so well for head neck tumor patients at the directions of head-foot translation and pitch rotation.Proper measures have to be taken to decrease the setup errors during proton and heavy ion therapy for head and head neck tumor patients.[Chinese Medical Equipment Journal,2024,45(7):56-61]关键词
发泡胶热塑膜组合固定/质子重离子治疗/头部肿瘤/头颈部肿瘤/摆位误差Key words
fixatoin by thermoplastic film combined with styrofoam/proton and heavy ion therapy/head tumor/head neck tu-mor/setup error分类
基础医学引用本文复制引用
刘珠磊,步蕊蕊,周丹,里尧,吴玲敏,张东鹏,张江兵,尤丹..发泡胶热塑膜组合固定方式下头部及头颈部肿瘤质子重离子治疗中的摆位误差分析[J].医疗卫生装备,2024,45(7):56-61,6.
