动态测量非生理状态下髋臼前倾角、外展角及其临床意义

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1、授予单位代码１００８９對则齡１２２４８巧处（Ｉ钟Ａ遂ＨｅｂｅｉＭｅｄｉｃａｌＵｎｉｖｅｒｓｉｔｙ硕±学位论文在职科学学位‘动态测量非生理状态下髓回前倾角、外展角及其临床意义学位申请人；李颖导师：耿左军教授专业：影像医学与核医学二级学院：第二医院２０１５年１０月＊＇？？－？－ｒｉｔｉ河北医科大学学位论文使用授权及知识产权归属承谱本学位论文在导师（或指导小组）的指导下，由本人独立完成。本学位论文研究所获得的研究成果，其知识产权归河北医科大学所有。河北医科大学有权对本学位论文进巧交流、公

2、开和使用。凡发表与学位论文主要内容相关的论文一，第署名为单位河北医科大学，试验材料、原始数据、申报的专利等知识产权均归河北医科大学所有。否则，承担相应法律责任。咕的研究生签名：导师签章：二级学轉＾盖章；邮胃ｙ河北医科大学硏究生学位论文独创性声明本论文是在导师指导下进行的研究工作及取得的研究成果，除了文中特别加标注和致谢等内容外，文中不包含其他人已经发表或撰写的研究成果，指导教师对此进行了审定。本论文由本人独立撰写，文责自负。研究生签名导师签章：ｆ於啄年月日目录中文摘要··························

3、········································1英文摘要·····································································3英文缩写·····································································6研究论文动态测量非生理状态下髋臼前倾角、外展角及其临床意义前言···································································7材料

4、与方法·························································7结果·····································································9附图···································································11附表·································································16讨论···············

5、···················································18结论···································································20参考文献·····························································20综述非生理状态髋臼前倾角及外展角的临床意义和研究进展·······22致谢······························································

6、··········30个人简历··································································31中文摘要动态测量非生理状态下髋臼前倾角、外展角及其临床意义摘要目的：通过多排螺旋CT（Multi-slicespiralcomputedtomography，MSCT）三维重建骨盆，测得骨盆在不同倾斜程度下髋臼前倾角和外展角数值，运用统计学软件计算前倾角和外展角的平均值和标准差，并绘制出其与骨盆倾度的相关性变化曲线，从中找到规律，指导非生理状态下全髋关节置换术（totalhiparthroplasty，THA

7、）个体化置入髋臼假体的放置角度。方法：本研究选择50位患者(即100个髋臼)为研究对象进螺旋CT扫描，利用容积再现（volumerenderingtechnique即VRT）技术把骨盆重建为立体图像，进而对骨盆进行不同程度的前倾（以10°为间隔，从10°前倾到90°），利用多平面重组（multi-planarreconstructions即MPR）分别重建出冠状位及水平位图像，进而分别测得两侧外展角、计算两侧前倾角。前倾角的测量方法，每个髋臼都要测得上、中、下三个平面的前倾角，以髋臼的最大层面为中间层面，上层面位于