Cause analysis of hyperintense globus pallidus on T<sub>1</sub>-weighted magnetic resonance images in newborns

廖懿; 蔡金华; 郑鹤琳

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Cause analysis of hyperintense globus pallidus on T₁-weighted magnetic resonance images in newborns

更新时间：2026-01-09

- Cause analysis of hyperintense globus pallidus on T₁-weighted magnetic resonance images in newborns
- Journal of Army Medical University Vol. 37, Issue 21, Pages: 2199-2202(2015)
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  CLC： R445.2;R722.1;R742.89
- Published：2015
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廖懿,蔡金华,郑鹤琳.新生儿苍白球磁共振成像T1WI信号升高的原因分析[J].陆军军医大学学报(原第三军医大学学报),2015,37(21):2199-2202.

　Liao Yi,Cai Jinhua,Zheng Helin.Cause analysis of hyperintense globus pallidus on T1-weighted magnetic resonance images in newborns[J].J Amry Med Univ (J Third Mil Med Univ),2015,37(21):2199-2202.
廖懿,蔡金华,郑鹤琳.新生儿苍白球磁共振成像T1WI信号升高的原因分析[J].陆军军医大学学报(原第三军医大学学报),2015,37(21):2199-2202. DOI：

　Liao Yi,Cai Jinhua,Zheng Helin.Cause analysis of hyperintense globus pallidus on T1-weighted magnetic resonance images in newborns[J].J Amry Med Univ (J Third Mil Med Univ),2015,37(21):2199-2202. DOI：

摘要

目的探讨新生儿苍白球磁共振成像T

加权（T

WI）信号对称性升高的原因。方法回顾性分析427例新生儿磁共振图像，对苍白球T

WI信号进行定性和定量分析。苍白球T

WI信号升高与各种临床病因之间的关系采用Logistic回归分析，同时分析苍白球/大脑皮质T

WI信号强度值与血清总胆红素(TSB)水平、日龄之间的关系。结果 427例中249例（58.3%）出现苍白球不同程度的T

WI信号升高；Logistic回归分析显示高胆红素血症的回归系数B=1.777，OR值=5.915（P0.01）；290例高胆红素血症中209例（72.1%）出现苍白球T

WI信号升高，137例无高胆红素血症者中40例（29.2%）信号升高。进一步分析显示随着TSB水平的升高，苍白球/大脑皮质信号强度值有升高趋势，差异有统计学意义（χ

=84.734，关联性系数r=0.407，P0.01）。相关性分析表明苍白球/大脑皮质信号强度值与日龄呈负相关（r=-0.441，P0.01）。结论新生儿苍白球T

WI信号升高主要由TSB水平升高引起，可能还与其他因素有关。

Abstract

Objective To investigate the causes of symmetric hyperintensity of the globus pallidus on T

-weighted (T

WI) magnetic resonance images in newborns. Methods The brain magnetic resonance images of 427 neonates admitted in our hospital from January 2013 to June 2014 were reviewed

and the T

WI signal patterns in the globus pallidus were qualitatively and quantitatively analyzed. Logistic regression analysis was ap

plied to investigate contributions of the clinical factors to the hyperintensity of globus pallidus on T

WI. The signal intensity ratio of globus pallidus to cerebral cortex was compared with the total serum bilirubin (TSB) levels and the postnatal age at examination. Results T

WI hyperintensity of the globus pallidus was found in 249 of 427 cases (58.3%). Logistic regression analysis showed that regression coefficient of hyperbilirubinemia=1.777

OR=5.915 (P0.01). T

WI hyperintensity of the globus pallidus was found in 209 of 290 cases with hyperbilirubinemia (72.1%) and 40 of 137 cases without hyperbilirubinemia (29.2%). Further analysis showed that the signal intensity ratio of the globus pallidus to the cerebral cortex was increased with the increase of TSB level (Chi square=84.734

P0.01). Correlation analysis showed that the signal intensity ratio of the globus pallidus to the cerebral cortex was negatively correlated with postnatal age at MRI examination (r=-0.441

P0.01). Conclusion The T

WI hyperintensity of globus pallidus in newborns is mainly caused by the elevated TSB levels

and may also be related to other factors.

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Department of Radiology，First Affiliated Hospital， Army Medical University （Third Military Medical University）

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Cause analysis of hyperintense globus pallidus on T1-weighted magnetic resonance images in newborns

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摘要

Abstract

关键词

Keywords

references

Cause analysis of hyperintense globus pallidus on T₁-weighted magnetic resonance images in newborns