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帕金森病轻度认知功能障碍纹状体体积的异常改变

Journal of Medical Imaging(2019)

Cited 5|Views9
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Abstract
目的 应用基于体素的形态学测量方法(VBM) 考察帕金森病轻度认知功能障碍(Parkinson's disease with mild cognitive impairment,PD-MCI) 特异的大脑灰质结构异常改变.方法 采集50例PD患者(25例PD-MCI,25例PD未合并MCI,PD-NCI)及25例健康对照组(healthy control,HC) 的全脑高分辨率T1加权结构像及包含5个认知域的神经心理量表.结果 与PD-NCI 及HC组相比,PD-MCI组双侧壳核及右侧尾状核体积显著下降.进一步分析发现,PD 患者双侧壳核体积分别与执行功能及语言能力成正相关,此外,右侧壳核/尾状核体积与记忆成正相关.结论 PD-MCI 基底节体积特异性萎缩与PD认知功能损害有关.该结果提示基底节形态学改变可能是PD-MCI 的潜在影像学标记物.
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Key words
Parkinson's disease,Mild cognitive impairment,Basal ganglia,Magnetic resonance imaging
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