Neurology:成人GM1神经节苷脂贮积症的头颅MRI和DaT-SPECT成像

2018-07-29 zyx 神经科病例撷英拾粹

58岁女性,经遗传学检测确诊为成人GM1神经节苷脂贮积症(aGM1-g),表现为全身性肌张力障碍,随后出现运动不能-强直帕金森综合征。头颅MRI提示双侧壳核高信号,是该病的典型表现(图A-B),而DaT-SPECT(123I-Ioflupane)可见两侧基底节放射性示踪剂摄取减少,以左侧更明显(图C)。

58岁女性,经遗传学检测确诊为成人GM1神经节苷脂贮积症(aGM1-g),表现为全身性肌张力障碍,随后出现运动不能-强直帕金森综合征。头颅MRI提示双侧壳核高信号,是该病的典型表现(图A-B),而DaT-SPECT(123I-Ioflupane)可见两侧基底节放射性示踪剂摄取减少,以左侧更明显(图C)。 aGM1-g中基底节的选择性受累被认为与该区域中GM1神经节苷脂的周转更高有关。本例提示该疾病中多巴胺能功能障碍的突触前模式。


(图:A-B:T2WI和FLAIR可见壳核信号增高;C:DaT-SPECT证实双侧基底节放射性示踪剂摄取减少,提示黑质纹状体多巴胺能功能障碍;左侧可见更弥漫的壳核和尾状核受累)

原始出处:Marangi A1, Tagliapietra M2, Vicenzi V2, et al. Teaching NeuroImages: Brain MRI and DaT-SPECT imaging in adult GM1 gangliosidosis. Neurology. 2018 Jul 10;91(2):e187-e188.

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    2019-06-07 feather89
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    2018-10-01 yinhl1978
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    2018-07-30 1ddf0692m34(暂无匿称)

    学习了,长知识

    0

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    2018-07-30 liumin1987

    嗯嗯,学习学习。

    0