期刊论文

Gong, G.-Z.

中文

中华肿瘤防治杂志

1673-5269

2018

25

5

340-343 and 348

10.16073/j.cnki.cjcpt.2018.05.007

国家自然科学基金（81301936）；

本校为其他机构

目的 心跳运动会导致心脏结构实际剂量和计划剂量之间存在差异,但目前对于心跳导致的心脏结构受量评估误差范围的研究较少.本研究基于屏气下心电门控四维螺旋断层扫描(four-dimensional computed tomography,4DCT)分析心跳对食管癌放疗中心脏及心包剂量-体积指标的影响.方法 对山东大学附属山东省肿瘤医院2015-03-26-2016-11-24的22例胸段食管癌患者的心电门控4DCT图像进行回顾性分析,将4DCT图像传入商用软件MIM Maestro(MIM)进行心脏及心包的勾画.在所有患者的定位CT上进行计划设计,剂量分布导入MIM进行四维剂量体积直方图(four-dimensional dose-volume histogram,4D-DVH)重建.分析心跳周期中...

OBJECTIVE The cardiac movement can lead to the difference between the planning dose and the actual dose,there were few studies analyzing the dosimetric variation range in the cardiac structures caused by cardiac movement.The purpose of this study was to analyze the impact of cardiac movement on dose-volume parameters for heart and pericardium in esophageal cancer radiotherapy by electrocardiography(ECG) gate four-dimensional computed tomography(4DCT) based on breath-hold.METHODS Totally 22 patients' 4DCT images were analyzed retrospectively in ...