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婴幼儿臂丛神经损伤的MRI诊断 被引量:1

The MRI diagnosis of infant brachial plexus injury
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摘要 目的 评价MRI在婴幼儿臂丛神经损伤中的应用价值。方法 对14例临床诊断臂丛神经损伤患儿MRI及肌电图资料进行回顾性分析,使用Kappa检验分析两者的一致性。结果 单纯节后损伤5例,节前伴节后损伤9例。节前损伤征象包括:(1)神经根离断,7例;(2)神经根增粗,1例;(3)神经根袖扩张,3例;(4)假性脊膜囊肿,5例;(5)硬脊膜增厚,3例。节后损伤征象包括:(1)神经根干增粗,信号增高,14例;(2)神经干邻近结构肿胀,1例。臂丛神经MRI结果与肌电图一致性好(κ=0.752,P<0.05)。 结论 MRI可较好显示婴幼儿臂丛神经节前及节后损伤,为早期诊治提供有用信息。 Objective To evaluate the value of MRI in diagnosis of brachial plexus injury in infants.Methods MRI manifestations and electromyography(EMG) data of 14 cases were analyzed retrospectively. Kappa statistic was used to analyze the consistency between the two methods.Results Pure preganglionic injuries were found in 5 eases,preganglionic and postganglionic combined injuries occurred in 9 cases. MRI features of preganglionic injuries include:absence of roots in spinal canal (7 cases) ,nerve root enlargement (1 case), nerve sleeve dilation (3 cases), pseudomeningoceles (5 cases) and the dura thickening (3 cases).MRI features of postganglionic injuries include:trunk thickening with hyperintensity in STIR images(14 cases) ,adjacent structure disorder and edema (1 cases).The consistency of MRI and EMG was good (k=0.752 ,P〈0.05).Conelusion MRI is an efficient method for demonstrating preganglionic and postganglionic injuries,and can provide reliable information for early diagnosis and treatment for brachial plexus injury in infants.
作者 张嫣 陈文俊 汪小丽 黄煌 刘永熙 曾益辉 江魁明 ZHANG Yan, CHEN Wenjun ,WANG Xiaoli , HUANG Huang ,LIU Yongxi ,ZENG Yihui , JIANG Kuiming (Department of Radiology ,Guangdong Woman and Children Hospital, Guangzhou 511400,China)
出处 《实用放射学杂志》 北大核心 2018年第5期749-752,共4页 Journal of Practical Radiology
关键词 婴幼儿 臂丛神经损伤 磁共振成像 infant brachial plexus injury magnetic resonance imaging
作者简介 张嫣(1978-),女,江苏省苏州市人,硕士,副主任医师。研究方向:妇产及儿科疾病影像诊断。
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