摘要
目的:分析烟雾病(moyamoya)的低场MR表现,探讨低场MRI和MRA对烟雾病的诊断价值。方法:回顾性分析21例烟雾病的临床与MR资料。结果:MRI见大脑额顶叶、双侧基底节区新旧不一的梗死及软化灶15例(其中4例合并出血),局灶性脑出血3例,蛛网膜下腔出血5例,未见明显异常2例;MRA见颈内动脉、大脑前中动脉狭窄或闭塞,伴异常血管网增多13例,颈内动脉、大脑前中动脉狭窄或闭塞未见明显血管网增多8例,其中大脑后动脉侧支循环形成2例。结论:低场MRI可显示烟雾病的脑实质及血管病变,可作为烟雾病的筛选,也可作为了解病情变化及术后随访的首选检查方法。
Objective： To analyze the performance of moyamoya disease in low field MR and explore the low field MRI and MRA value for diagnosis of moyamoya disease. Methods：21 eases of moyamoya patients with clinical and MR data were retrospectively analyzed. Results：MRI founded infarction with different new and old and softening lesions at the amount of parietal lobe and bilateral basal ganglia in 15 cases （in which 4 cases acompanied by hemorrhage）, focal cerebral hemorrhage in 3 cases, subarachnoid hemorrhage in 5 cases, 2 cases showed no obvious abnormalities. MRA showed internal carotid artery, anterior cerebral artery, middle cerebral artery stenosis or occlusion, associated with abnormal vascular network increased in 13 cases, no significant vascular network increase in 8 cases, and found posterior cerebral artery collateral circulation in 2 cases. Conclusion： Low field MR can show the essence and cerebral vascular lesions of moyanloya disease, which can be used as screening for moyamoya disease, and may be the first choice to understand this illness changes and post-operative follow-up.
出处
《医学影像学杂志》
2009年第9期1082-1084,共3页
Journal of Medical Imaging
关键词
烟雾病
磁共振成像
诊断
Moyamoya disease
Magnetic resonance imaging
Diagnosis
