磁共振成像法量化评价股骨髋臼撞击综合征骨结构变化  

Quantitative evaluation of bone structure changes in femoroacetabular impingement syndrome by magnetic resonance imaging

作　　者：李小娟 张元智[2] 杨晓光[3] 高阳[3] 吴琼[3] Li Xiaojuan;Zhang Yuanzhi;Yang Xiaoguang;Gao Yang;Wu Qiong(Health Management Service Center of Inner Mongolia Autonomous Region,Hohhot 010010,Inner Mongolia Autonomous Region,China;Department of Orthopedics,The Affiliated Hospital of Inner Mongolia Medical University,Hohhot 010059,Inner Mongolia Autonomous Region,China;Department of Radiology,The Affiliated Hospital of Inner Mongolia Medical University,Hohhot 010059,Inner Mongolia Autonomous Region,China)

机构地区：[1]内蒙古自治区健康管理服务中心,内蒙古自治区呼和浩特市010010 [2]内蒙古医科大学附属医院骨科,内蒙古自治区呼和浩特市010059 [3]内蒙古医科大学附属医院影像科,内蒙古自治区呼和浩特市010059

出　　处：《中国组织工程研究》2023年第31期4965-4970,共6页Chinese Journal of Tissue Engineering Research

基　　金：内蒙古自治区科技成果转化项目(CGZH 2018148),项目负责人:张元智;内蒙古自治区科技计划项目(201802157),项目负责人:张元智;内蒙古医科大学“致远”人才基金项目(ZY0120011),项目负责人:张元智;内蒙古医科大学科技百万项目(YKD2017KJBW(LH)031),项目负责人:吴琼。

摘　　要：背景:MRI作为股骨髋臼撞击综合征的主要影像学检查方法,可清晰呈现髋关节软组织的结构,借助三维可视化技术可用MRI进行骨组织三维成像,目前缺少有关髋关节MRI三维成像对股骨髋臼撞击综合征量化评估的研究报道。目的:对股骨髋臼撞击综合征患者的MRI图像进行三维成像,并基于三维图像测量EE角与α角,量化评估骨结构变化。方法:选取24例明确诊断为股骨髋臼撞击综合征患者,男12例,女12例;年龄36-53岁,平均43.47岁,身高158-190 cm,平均172.46 cm;体质量62-87 kg,平均77.79 kg,采用GE Discovery MR 750,3.0T磁共振成像系统进行髋关节成像扫描,患者仰卧位,轴向三维梯度回波,厚度:0.6 mm,X/Y分辨率:0.365 mm/0.365 mm。将原始T2矢状位.dicom格式数据导入Materialise Mimics Innovation Suite 16.0软件,采用半自动分割方式重建,将碰撞区域可视化并进行分析。结果与结论:①使用MRI图像三维重建能够精确测量α角为(62.86±6.36)°,EE角为(13.68±3.42)°,髋关节MRI三维图像所得α角能有效反映股骨髋臼撞击综合征;②髋关节MRI三维图像能立体显示髋关节软骨和骨骼的形态,为治疗方案的选择提供参考,具有发展和应用前景。BACKGROUND:As the main imaging method of femoroacetabular impingement syndrome,MRI can clearly show the structure of hip joint soft tissue.With the help of three-dimensional visualization technology,MRI can be used for three-dimensional imaging of bone tissue.There is currently no report on quantitative evaluation of femoroacetabular impingement syndrome using three-dimensional hip MRI.OBJECTIVE:Three-dimensional imaging was performed on MRI images of patients with femoroacetabular impingement syndrome,and EE angle andαangle were measured based on three-dimensional images to quantitatively evaluate bone structure changes.METHODS:Totally 24 cases of femoroacetabular impingement syndrome were selected.They were 12 males and 12 females,aged from 36 to 53 years(average,43.47 years);height from 158 to 190 cm(average,172.46 cm);weight from 62 to 87 kg(average,77.79 kg).Each MRI was completed on a GE Discovery MR 750,3.0T system with the patients in the supine position.An axial three-dimensional gradient-echo was performed.Thickness:0.6 mm,X/Y resolution:0.365 mm/0.365 mm.Raw T2 sagittal data in.dicom format were input into Materialise Mimics Innovation Suite 16.0 software.Semi-automatic segmentation method was adopted to visualize and analyze the collision area.RESULTS AND CONCLUSION:(1)Theαangle(62.86±6.36)°and EE angle(13.68±3.42)°could be accurately measured by three-dimensional reconstruction of MRI images.Theαangle obtained from three-dimensional MRI images of hip joint could effectively reflect femoroacetabular impingement syndrome.(2)The three-dimensional image of hip MRI stereoscopically displays the morphology of hip cartilage and bone,provides a reference for the choice of treatment options,and has development and application prospects.

关 键 词：磁共振成像 股骨髋臼撞击 可视化 EE角 α角 三维成像 

分 类 号：R459.9[医药卫生—治疗学] R318[医药卫生—临床医学] R684.3