SPACE在诊断腰骶神经根病变的临床应用  

Clinical application of MR SPACE technique in the diagnosis of lumbosacral nerve root diseases

作　　者：孔梅[1] 夏好成[1] 许蕾[1] 许道洲[1] 吕海莲[1] 肖文丰[1] 王忠[2] 

机构地区：[1]东营市胜利油田中心医院磁共振室,山东257043 [2]西门子(中国)有限公司培训部

出　　处：《放射学实践》2014年第10期1217-1220,共4页Radiologic Practice

摘　　要：目的:探讨磁共振SPACE技术在显示和诊断腰骶神经根病变中的价值。方法:搜集可疑腰骶部脊神经根病变31例,正常志愿者8例,观察SPACE的原始图像和MIP重建图像对脊神经根的显示情况。进行常规扫描和SPACE冠状面腰骶部神经根成像,所有图像均经3D最大信号强度投影(MIP)后处理,观察脊神经根形态、走行及与病变的关系。结果:SPACE成像可以清楚显示病变对神经根压迫和侵犯程度。观察组31例可疑患者中发现15例腰椎间盘突出,4例神经根鞘膜囊肿,3例神经根变异,3例神经根损伤,3例原发神经源性肿瘤,3例肿瘤转移累及神经根。结论:SPACE序列对显示腰骶神经根解剖具有独特优势,能为临床诊治腰骶神经根病变提供较满意的依据。Objective：To investigate the clinical value of MR SPACE technique in the demonstration and diagnosis of lumbosacral spinal nerve root diseases.Methods：31 cases of suspected lumbosacral nerve root disease and 8 healthy volun-teers were recruited,to observe the source images of SPACE technique and MIP reconstruction in the demonstration of spi-nal nerve roots.Both conventional MRI sequences and SPACE sequence for coronal images were performed.All images were post-processed with 3D maximum intensity projection （3D MIP）technique,to study the morphology and course of nerve roots and the relation with lesions.Results：The SPACE technique could clearly display the degree of invasion and compres-sion of nerve roots by the lesion.Of the 31 suspected cases,there were disk herniation （15 cases）,nerve root cyst （4 cases）, nerve root anomaly （3 cases）,spinal nerve root injury （3 cases）,primary neurogenic tumor （3 cases）and metastatic tumor involving lumbosacral plexus （3 cases）.Conclusion：SPACE sequence has predominant advantage in showing the anatomy of lumbosacral spinal nerve-root and provide satisfactory basis for the diagnosis of lumbosacral nerve root diseases in clinical practice.

关 键 词：腰骶神经根 磁共振成像 图像处理 计算机辅助 

分 类 号：R745[医药卫生—神经病学与精神病学] R445.2[医药卫生—临床医学]