3D-SPACE序列对显示踝关节跗骨窦区韧带的价值分析  

Value of three-dimensional SPACE sequence on analysis of sinus tarsi ligament of ankle

作　　者：张南[1] 钱学江[1] 郑勇 刘中冲[1] 

机构地区：[1]解放军89医院放射科,山东潍坊261021 [2]枣庄市中医医院放射科,山东枣庄277101

出　　处：《医疗卫生装备》2017年第6期98-100,104,共4页Chinese Medical Equipment Journal

摘　　要：目的:对比分析3D-SPACE序列及常规2D-TSE在对踝关节跗骨窦区韧带解剖细节的显示中的价值,为临床诊断提供更为可靠的依据。方法:采用1.5T Siemens Auanto磁共振扫描仪,8通道头颅相控阵线圈,对26例健康志愿者进行3D-SPACE三维各向同性横断面扫描,2D-T_1WI-TSE横轴位、2D-T_2WI-TSE冠矢状位二维快速自旋回波扫描。分别由2名资深MRI医生评估上述2个序列对于踝关节跗骨窦区颈韧带、骨间韧带显示率,从而评价上述2个序列对于踝关节跗骨窦区韧带的显示能力。结果:3D-SPACE序列对于踝关节跗骨窦区韧带的显示优于常规2D序列,二者之间的差异具有统计学意义(P<0.05);在不同方位上,韧带的显示率也有差异(P<0.05)。3D-SPACE序列对于跗骨窦区颈韧带、骨间韧带的显示能力要明显高于2D常规TSE序列,其中颈韧带在3D-SPACE序列的冠状位显示率最高,跟距骨间韧带在冠状位、矢状位显示率较高。结论:3D-SPACE序列是一种实用的磁共振序列,其多平面重建和曲面重建等特点可清晰地显示跗骨窦韧带的正常解剖,更好地满足临床诊断的需要。Objective To compare the values of 3D-SPACE sequence and 2D-TSE sequence for displaying the anatomical details of the sinus tarsi ligament of the ankle. Methods 1.5T Siemens Auanto MRI scanner and 8-channel skull phased array coil were used for the examination of 26 healthy volunteers with 3D-SPACE three-dimensional isotropic sectional scanning as well as 2D-T_1WI-TSE transverse and 2D-T_2WI-TSE coronal sagittal two-dimensional fast spin echo scan. Two senior MRI radiologists evaluated the display rates of the two sequences for the cervical ligament of sinus tarsi and talus ligament so as to determine the values of the two sequences for displaying the cervical ligament of sinus tarsi. Results 3DSPACE sequence behaved significantly better than 2D sequence when used to display the sinus tarsi ligament（P〈0.05）, and the display rates were statistically different at different positions（P〈0.05）. 3D-SPACE sequence gained obvious advantages over 2D conventional TSE sequence when used to display the cervical ligament of sinus tarsi and talus ligament, and the highest display rate occurred in case of the cervical ligament of sinus tarsi scanned with 3D-SPACE coronal view and in case of the talus ligament scanned at coronal and sagittal positions. Conclusion 3D-SPACE sequence can display clearly the anatomical details of the sinus tarsi ligament with multiplanar reconstruction, curved planar reformation and etc, and thus is worthy promoting clinically.

关 键 词：踝关节 跗骨窦 骨间韧带 颈韧带 3D-SPACE序列 三维重建 

分 类 号：R445.2[医药卫生—影像医学与核医学] R684[医药卫生—诊断学]