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新生儿胆红素脑病的MRI表现
MRI diagnosis of newborn bilirubin encephalopathy
【摘要】 目的 探讨磁共振成像(MRI)对新生儿胆红素脑病(NBE)诊断的价值。方法 回顾性分析28例胆红素脑病新生儿的常规MRI表现和临床资料。结果 28例患儿中27例T1WI苍白球对称性高信号。19例患儿底丘脑T1WI呈高信号,T2 WI呈等信号,主要表现为底丘脑点状或“八”字形对称性短T1WI信号。8例患儿中脑、桥脑背侧、延髓T1WI呈高信号,而桥脑腹侧信号正常。扩散加权成像(DWI)显示所有胆红素脑病患儿的基底节无异常信号。结论 常规MRI及DWI有助于新生儿胆红素脑病的诊断。
【Abstract】 Objective To investigate the diagnostic value of conventional magnetic resonance imaging(MRI) for newborn bilirubin encephalopathy( NBE).Methods MRI features and clinical data of 28 sick children with NBE were retrospectively analyzed.Results The main MRI presentations in the NBE group was abnormally increased signal intensity in the bilateral globus pallidus on T1WI(27 cases) and isointensity on T2 WI(19 cases).Nineteen sick children had high signal in the subthalamic nuclei on T1 WI and normal signal on T2 WI.Eight sick children showed high signal in the brain stem with sparing of ventral pontine.On diffusion weighted imaging(DWI),all sick children presented normal in the basal ganglia.Conclusion MRI and DWI are useful in diagnosis of NBE.
- 【文献出处】 实用放射学杂志 ,Journal of Practical Radiology , 编辑部邮箱 ,2012年01期
- 【分类号】R722.1;R445.2