基于3.0T MRA显示评价大脑前动脉A1段优势血管的研究  

The Study of the Evaluation of the Advantage Vascular of Anterior Cerebral Artery A1 segment Based on the 3.0T MRA

作　　者：邱立芹 黄越[1] 徐学权[1] 田颖[1] 朱丽丽[1] 

机构地区：[1]辽宁省铁法煤业集团总医院放射科,辽宁调兵山112700

出　　处：《中国CT和MRI杂志》2013年第2期4-6,共3页Chinese Journal of CT and MRI

摘　　要：目的利用3.0T MRA显示大脑前动脉A1段并对双侧的解剖发育差异性进行初步研究。方法对255例接受大脑前动脉3.0T磁共振血管成像检查的患者图像进行回顾性分析,结合横断面图像观察双侧大脑前动脉A1段发育变异情况。结果共有61例患者双侧大脑前动脉动脉A1段存在先天的发育差异,占全部病例数的23.9%,其中左侧大脑前动脉A1段优势支26例占所有病例数的10.2%,占所有变异病例数的42.6%;右侧大脑前动脉A1段优势支35例占所有病例数的13.7%,占存在变异病例数的57.4%;双侧大脑前动脉A1段均势型194例。结论 3.0T MRA能够较好的显示与评价大脑前动脉A1段发育差异性,准确判断优势支,可以合理解释单侧脑缺血症状的病因。Objective To study the difference of the bilateral anatomy development of the A 1 segment of anterior cerebral artery with 3.0T Magnetic Resonance Angiography （MRA）. Method The MRA images of bilateral anterior cerebral artery of all patients（n=255） were analyzed retrospectively, and the developmental condition of the A 1 segment of bilateral anterior cerebral artery were analyzed combining the axial images. Result There were 61 （23. 9% of all patients） patients with congenital heteroplasia of A 1 segment of bilateral anterior cerebral artery in total, including 26（ 10.2% of all patients） cases of the left advantage： 35 （13.7% of all patients） patients had the right advantage; 194 cases were bilateral balance, Conclusion 3.0 T MRA could display and evaluate the development difference of anterior cerebral artery A 1 segment better, which helps to make an accurate judgement of the advantage branch, and it＇s reasonable to explain the cause of unilateral symptoms of cere- bral ischemia.

关 键 词：磁共振 血管成像 大脑前 动脉 差异性 

分 类 号：R445.2[医药卫生—影像医学与核医学] R743.4[医药卫生—诊断学]