MR三维动态增强成像在下肢动脉血管的临床应用  

Dynamic contrst-enhanced magnetic resonance angiography in vascular diseases of abdomen and lower extremities:technique and clinical application

作　　者：孙红梅[1] 刘新爱[1] 史志勇[1] 

机构地区：[1]河南省中医院放射科,郑州450002

出　　处：《磁共振成像》2012年第4期278-281,共4页Chinese Journal of Magnetic Resonance Imaging

摘　　要：目的探讨三维增强MR血管成像(contrast-enhanced MR angiography,CE-MRA)在腹部及下肢动脉病变的临床应用价值。材料与方法对30例疑有下肢血管病变的患者行CE-MRA。采用德国Siemens Essenza1.5T全身MR扫描仪,Body线圈,运用3D快速小角度激发成像(FLASH)扫描序列,自动移床采集双下肢血管图像。结果 3DCE-MRA可直观、完整地显示腹腔、盆腔和下肢动、静脉正常结构和疾病分布情况。30例患者中,动脉硬化狭窄20例,动脉瘤2例,动脉瘘1例,动静脉畸形1例,动脉变异1例,髂静脉压迫综合征2例;正常3例。结论 3DCE-MRA对腹部及下肢大血管病变显示良好,能清楚显示血管本身病变、病变与血管、血管与周围组织的关系,具有很好临床实用价值。Objective： To explore the method of3D CE-MRA in demonstrating arterial diseases from abdomen to lower extremity. Materials and Methods： Thirty patients underwent 3D CE-MRA at SIEMENS ESSENZA 1.5 T system with 3D- FLASH sequences and parallel acquisition technique using the body coil. All images were reconstructed with maximum intensity projection （MIP）. Results： 3D CE-MRA could clearly show the vascular diseases from the abdomen aorta furcation to the lbot artery. Of the 30 patients, 20 were found with arteriosclerosis obliterans, 2 with angeiomas, 1 with artery-vein mallbrmation （AVM）, I with arteriovenous fistula, 1 with variant artery abdomen to lower extremity arteries, 2 with lilac vein compression syndrome imaging. The CE-MRA images were normal in 3 patients. Conclusion： 3D CE-MRA is of great value for macroangiopathy detection, which can show the vascular illness, the relationship between illness and vessels, or relationship between vessels and peripheral tissues.

关 键 词：磁共振成像 动脉硬化 闭塞性 腿 血管造影术 

分 类 号：R445.2[医药卫生—影像医学与核医学] R541.9[医药卫生—诊断学]