摘要
目的观察Bell面瘫患者面神经MRI增强扫描特征。方法对50例Bell面瘫患者(观察组)和50例面神经正常者(对照组)行面神经MRI增强扫描,记录面神经强化的区域、分布特点及强化程度,分析面瘫面神经与健侧面神经强化程度的差异。结果对照组双侧面神经呈节段性对称性中等程度强化,面神经粗细无明显差异。观察组双侧面神经呈单节段或多节段受累的不对称性异常强化,患侧面神经受累部位内听道底段、迷路段、膝状神经节段、鼓室段和乳突段强化程度均高于健侧面神经和对照组双侧面神经(P<0.05)。结论MRI增强扫描时,正常面神经均为双侧对称性轻度至中度强化,而Bell面瘫患者患侧面神经较健侧面神经均有不同程度异常强化,这种不对称性异常强化可用于面神经炎辅助诊断。
Objective To observe the characteristics of facial nerve MRI enhanced scan in the patients with Bell’s palsy.Methods Facial nerve MRI enhanced scan was performed in 50 patients with Bell’s palsy(group A)and 50 patients with normal facial nerve(group B).The areas,distribution characteristics and the degree of enhancement of facial nerves on MRI enhanced scan of two groups were counted.The differences in the degree of facial nerve enhancement between the facial nerves on the palsy side and the healthy facial nerves were analyzed.Results The bilateral facial nerves on MRI enhanced scan in group B showed segmental symmetry and moderate enhancement without difference in the nerve size.The bilateral facial nerves of group A on MRI enhanced scan showed asymmetric and abnormal enhancement of single or multiple segment involvement,and the degrees of enhancement of the floor of the auditory canal,labyrinth,geniculate nerve segment,tympanic segment,and mastoid segment of the affected facial nerve were higher than those of the healthy facial nerves and those of group B(P<0.05).Conclusion On MRI enhanced scan,the bilateral facial nerves of healthy people are segmental symmetry and moderate enhancement,but are asymmetric and abnormal enhancement of single or multiple segment involvement in the patients with Bell’s palsy,which can be used for auxiliary diagnosis of facial neuritis.
作者
贾荣荣
刘刚
苏林强
金薇
谭灵洁
高燕军
JIA Rongrong;LIU Gang;SU Linqiang(Medical Imaging Center,Affiliated Hospital,Northwest University,Xi′an 710000,CHINA)
出处
《江苏医药》
CAS
2020年第10期1015-1018,共4页
Jiangsu Medical Journal
基金
陕西省重点研发计划(2018SF-122)。
关键词
BELL面瘫
面神经
磁共振成像增强扫描
Bell’s palsy
Facial nerve
Magnetic resonance imaging enhanced scan
