The value of high-resolution magnetic resonance imaging of arterial walls in the diagnosis of cerebral artery dissection
10.3760/cma.j.issn.1673-4165.2016.07.003
- VernacularTitle:高分辨率磁共振血管壁成像在脑动脉夹层分离诊断中的价值
- Author:
Guo ZHU
;
Jiali JIN
;
Jingwei LI
;
Huiting WANG
;
Yun XU
;
Xiaolei ZHU
- Publication Type:Journal Article
- Keywords:
Carotid Artery,Internal,Dissection;
Vertebral Artery Dissection;
Middle Cerebral Artery;
Basilar Artery;
Magnetic Resonance Imaging;
Image Enhancement;
Cerebral Angiography;
Magnetic Resonance Angiography;
Tomography,X-Ray Computed
- From:
International Journal of Cerebrovascular Diseases
2016;24(7):592-599
- CountryChina
- Language:Chinese
-
Abstract:
Objective To investigate the value of high-resolution magnetic resonance imaging (HR-MRI) of arterial walls in the diagnosis of cerebral artery dissection (CAD).Methods The patients diagnosed as CAD and completed computed tomography angiography (CTA),magnetic resonance angiography (MRA),digital subtraction angiography (DSA),and HR-MRI were enrolled retrospectively.The detection rate and diagnostic value of the 4 imaging techniques were compared and analyzed.Results A total of 15 patients were enrolled,5 had internal carotid artery dissection,7 had vertebral artery dissection,2 had middle cerebral artery dissection,and 1 had basilar artery dissection.HR-MRI revealed 11 intramural hematoma,9 intimal flap,3 double lumen sign,and 2 pseudoaneurysm.A total of 18 CADs were detected in 15 patients,17 (94.44％),14 (77.78％),5 (27.78％) and 6 (33.33％) were detected with HR-MRI,DSA,CTA and MRA,respectively.There were significant difference in CAD detection rates of HR-MRI,DSA,CTA and MRA (x2 =24.939,P ＜ 0.001).The CAD detection rate of HR-MRI and DSA were significantly higher than those of CTA and MRA (all P ＜ 0.01 for HR-MRI,all P ＜ 0.05 for DSA),but there was no significant difference in CAD detection rate between HR-MRI and DSA.Conclusion HR-MRI is a diagnostic method for CAD with higher sensitivity.
