MRI Manifestations of Internal Carotid Artery Dissection and Its Treatment Outcomes_West China Medical Journal

Authors：

 LIYing-chun , CHENJia-yuan , WUXiao-yun , YINLong-lin , CHENGuang-wen , LUTao

Department of Radiology, Sichuan Academy of Medical Sciences & Sichuan Provincial People's Hospital, Chengdu, Sichuan 610072, P. R. China;

Corresponding author：

Keywords：

Carotid artery dissection; Magnetic resonance imaging; Treatment outcomes

DOI：

10.7507/1002-0179.20140397

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Objective To investigate the MRI manifestations of internal carotid artery dissection (ICAD) before and after treatment. Methods MRI materials of 20 patients with ICAD between November 2007 and February 2013 were collected for analysis. Results MRI manifestations of ICAD showed 17 cases of artery stenosis, 16 cases of mural hematoma or thrombus, 3 cases of aneurysmal dilatation, and 2 cases of lines of intimal flap. The treatment outcome MRI manifestations showed that 18 patients had effective response, including disappeared (n=9) and lessened (n=8) artery stenosis, disappeared (n=13) and diminished (n=3) hematoma and thrombus, and shrunken aneurysmal dilatation (n=1); and there were 2 cases of unchanged aneurysmal dilatation, and another 2 patients had aneurysmal dilatation while stenosis lessened. Conclusion MRI manifestations of internal carotid artery dissection mainly include stenosis, mural hematoma or thrombus, and aneurysmal dilatation. Stenosis, mural hematoma or thrombus usually disappear and lessen in the treatment, and all MRI findings may vary among each other.

Citation： LIYing-chun, CHENJia-yuan, WUXiao-yun, YINLong-lin, CHENGuang-wen, LUTao. MRI Manifestations of Internal Carotid Artery Dissection and Its Treatment Outcomes. West China Medical Journal, 2014, 29(7): 1301-1304. doi: 10.7507/1002-0179.20140397 Copy

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11.	Schievink WI. Spontaneous dissection of the carotid and vertebral arteries[J]. N Engl J Med, 2001, 344(12):898-906.
12.	Pfefferkorn T, Saam T, Rominger A, et al. Vessel wall inflammation in spontaneous cervical artery dissection:a prospective, observational positron emission tomography, computed tomography, and magnetic resonance imaging study[J]. Stroke, 2011, 42(6):1563-1568.
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1. 张娟, 胡文立, 汪颜. 复发性青年脑卒中与颈动脉夹层动脉瘤(附1例报道)[J]. 中风与神经疾病杂志, 2008, 25(4):482-483.
2. 褚晓凡. 颈部动脉夹层动脉瘤的临床特点和诊治[J]. 国外医学·脑血管疾病分册, 2005, 13(4):293-295.
3. 周国庆, 肖国栋, 曹勇军, 等. 运动相关颈内动脉夹层致脑梗死的临床及影像学特点(附1例报告)[J]. 临床神经病学杂志, 2011, 24(1):56-58.
4. Baumgartner RW, Bogousslavsky J. Clinical manifestations of carotid dissection[J]. Front Neurol Neurosci, 2005, 20:70-76.
5. 邱晓明, 刘雅芳, 王弘, 等. CT、MRI诊断颈内动脉夹层1例[J]. 中国医学影像技术, 2010, 26(9):1782.
6. 苏晓蕾, 顿赛红, 郭阳. 长节段颈内动脉夹层动脉瘤1例[J]. 中国临床医学影像杂志, 2008, 19(11):831-832.
7. Morel A, Naggara O, Touze E, et al. Mechanism of ischemic infarct in spontaneous cervical artery dissection[J]. Stroke, 2012, 43(5):1354-1361.
8. Bachmann R, Nassenstein I, Kooijman H, et al. High-resolution magnetic resonance imaging (MRI) at 3.0 Tesla in the short-term follow-up of patients with proven cervical artery dissection[J]. Invest Radiol, 2007, 42(6):460-466.
9. Dittrich R, Dziewas R, Ritter MA, et al. Negative ultrasound findings in patients with cervical artery dissection. Negative ultrasound in CAD[J]. J Neurol, 2006, 253(4):424-433.
10. Dharmasaroja P, Dharmasaroja P. Sports-related internal carotid artery dissection:pathogenesis and therapeutic point of view[J]. Neurologist, 2008, 14(5):307-311.
11. Schievink WI. Spontaneous dissection of the carotid and vertebral arteries[J]. N Engl J Med, 2001, 344(12):898-906.
12. Pfefferkorn T, Saam T, Rominger A, et al. Vessel wall inflammation in spontaneous cervical artery dissection:a prospective, observational positron emission tomography, computed tomography, and magnetic resonance imaging study[J]. Stroke, 2011, 42(6):1563-1568.
13. Paciaroni M, Caso V, Agnelli G. Magnetic resonance imaging, magnetic resonance and catheter angiography for diagnosis of cervical artery dissection[J]. Front Neurol Neurosci, 2005(20):102-118.

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