中国医疗设备2025，Vol.40Issue(2)：24-28,66,6.DOI:10.3969/j.issn.1674-1633.20240819
ROI Width对射波刀脊柱追踪相关参数的影响
Influence of the Different Width Regions of Interest on the Spine Tracking Parameters of CyberKnife
摘要
Abstract
Objective To explore the effect of the region of interest(ROI)Width of CyberKnife on the accuracy of spine tracking and related parameters.Methods To simulate clinical treatment,the model was simulated by CT and the physical plan of target area design was sketched.Different ROI Width sizes were selected.Errors were introduced manually to simulate human movement for shooting.Positioning errors and related parameters(dxAB,drAB,FalseNode)were recorded.Results ROI Width of different sizes had no significant difference in translation error of spine tracking(P>0.05),but had significant difference in rotation error of tilt Angle axis(P<0.05).There was no significant difference in dxAB,drAB and ROI Width(P>0.05).FalseNode(FalseNodeA/FalseNodeB)increased with the increase of ROI Width,and the difference was statistically significant(P<0.05).Conclusion The ROI Width of 50 mm can achieve higher precision when using CyberKnife for spinal tracking treatment of tumor.关键词
射波刀/脊柱追踪/感兴趣区/脊柱肿瘤/放疗/摆位精度Key words
CyberKnife/spinetracking/region of interest/spinal tumor/radiationtherapy/positioning accuracy分类
医药卫生引用本文复制引用
唐婷婷,韩光辉,钟勇,刘卓柠,胡林,陈川..ROI Width对射波刀脊柱追踪相关参数的影响[J].中国医疗设备,2025,40(2):24-28,66,6.基金项目
重庆市科卫联合重点项目(2022ZDXM027). （2022ZDXM027）
