摘要
目的:探讨可变翻转角三维T_(2)加权快速自旋回波(3D-T_(2)-TSE)序列和CE-MRA检查对脊髓硬脊膜动静脉瘘(SDAVF)的诊断价值。方法:回顾2018年5月-2022年10月在我院经手术和/或DSA确诊的18例SDAVF患者的临床及影像资料。所有患者行CE-MRA及3D-T_(2)-TSE序列MRI扫描,分析和比较两种检查方法及两者联合对SDAVF的定位诊断价值。结果:3D-T_(2)-TSE序列对髓周畸形血管征的检出率为100%(18/18),对瘘口的定位诊断符合率为77.8%(14/18),对供血动脉的检出率为55.6%(10/18),并可显示脊髓肿胀(17/18)及马尾区结构紊乱(15/18)等征像;CE-MRA对瘘口、供血动脉及髓周畸形血管的检出率均为83.3%(15/18)。结合CE-MRA与3D-T_(2)-TSE两种技术,对瘘口的定位符合率达87.5%。结论:在SDAVF的定位诊断中,CE-MRA与3D-T_(2)-TSE检查各具优势,对于后续DSA检查及外科手术均具有良好的参考价值;两种序列联合可提高诊断效能,获得不逊色于DSA的定位诊断符合率。
Objective:To evaluate the diagnostic value of 3D-T_(2)-weighted-sampling perfection with application-optimized contrasts using different flip-angle evolutions(3D-T_(2)-TSE)sequence and contrast enhanced magnetic resonance angiography(CE-MRA)in spinal dural arteriovenous fistulae(SDAVF).Methods:The clinical and imaging data of 18 patients with SDAVF confirmed by surgery or digital subtraction angiography(DSA)in our hospital from May 2018 to October 2022 were reviewed.All patients underwent CE-MRA and 3D-T_(2)-TSE examinations.The localization value of the two methods in SDAVF was analyzed and compared.Results:Based on 3D-T_(2)-TSE sequence,the detection rates of perimedullary malformed vessel and feeding artery were 100%(18/18)and 55.6%(10/18)respectively,with a good fistula location accuracy of 77.8%(14/18);structural disorder of the cauda equina area sign was clearly shown in 15 cases(83.3%,15/18),and spinal cord swelling was found in 17 cases(94.4%,17/18).Based on CE-MRA examination,the detection rate for fistula,supplying artery,and perimedullary malformed vessels was equivalent,approximately 83.3%(15/18).When combining CE-MRA and 3D-T_(2)-TSE,the fistula location accuracy reached 87.5%.Conclusion:In the localization and diagnosis of SDAVF,CE-MRA and 3D-T_(2)-TSE sequences both have good performance,with good reference value for subsequent DSA examinations and surgical operations.When combining the two sequences,their advantages were complemented,with diagnostic performance comparable to DSA.
作者
欧阳烽
吴钦
袁小入
余念祖
金鹏卓
陈晔
尹明雪
曾献军
OUYANGFeng;WU Qin;YUAN Xiao-jin(Imaging Department of the First Affiliated Hospital of Nanchang University,Nanchang 330006,China)
出处
《放射学实践》
CSCD
北大核心
2023年第8期1001-1005,共5页
Radiologic Practice
基金
江西省自然科学基金(20192ACBL20040)
江西省教育厅一般项目(GJ7170080)。
关键词
硬脊膜动静脉瘘
磁共振成像
数字减影血管造影
定位诊断
Dural arteriovenous fistula
Magnetic resonance imaging
Digital subtraction angiography
Topical diagnosis
