摘要
目的：探讨MRI显示后交叉韧带（PCL）的方法及其正常表现。方法：对40例正常志愿者膝关节行T2WI对比的三维梯度回波多回波成像（3D-MEDIC）检查，通过多平面重建显示PCL的形态。结果：经过多平面重建，在横轴位、矢状位和冠状位层面显示PCL良好的形态和较清晰的边界。PCL解剖测量值：中段宽度（1.13±0.17）cm，厚度（0.49±0.10）cm；长度，后内侧缘（2.58±0.35）cm，前外侧缘（3.78±0.36）cm；偏离角，后内侧缘19.1°±5.5°，前外侧缘24.0°±4.6°；PCL仰角40.1°±4.43°。结论：利用高分辨三维MRI成像多平面重建技术有助于更好的观测PCL。
Abstract
Objective: To investigate the imaging method of posterior cruciate ligament(PCL) and its normal appearances in MRI. Methods: The T2-weighted, 3-dimensional multi echo data imaging combination(3D-MEDIC) sequence were applied on 40 cases of normal volunteers. The anatomy of the PCL was displayed on multiple planar reconstruction(MPR) imaging. Result: The reconstructed PCL had good morphology and well-defined boundary, providing precise anatomic data. The width and thickness in the middle part of the PCL were (1.13±0.17)cm and (0.49±0.10)cm, respectively. The length and deveation angle of anterior lateral bundle and posterior medial bundle of the PCL were (3.78±0.36)cm and (2.58±0.35)cm, and 24.0°±4.6° and 19.1°±5.5°, respectively. The elevation angle of PCL was 40.1°±4.43°. Conclusion: Using MPR 3D high resolution MRI can contribute to display the PCL.
关键词
后交叉韧带 /
磁共振成像
Key words
Posterior cruciate ligament /
Magnetic resonance imaging
陈 新;潘晶晶.
正常后交叉韧带MRI表现[J]. 中国临床医学影像杂志. 2009, 20(9): 705-707
CHEN Xin;PAN Jing-jing.
Evaluation of normal posterior cruciate ligament by MR imaging[J]. Journal of China Clinic Medical Imaging. 2009, 20(9): 705-707
{{custom_sec.title}}
{{custom_sec.title}}
{{custom_sec.content}}
