Radiology:神经纤维瘤病I型皮质及皮质下异常结构的差异性

2019-04-04 shaosai MedSci原创

本研究旨在评价神经纤维瘤病I型(NF1)患者-一种多系统神经发育性病变,具有多种影像学异常表现(包括深部灰质核团、脑干和小脑局灶性短暂性髓鞘空泡形成),皮层和皮层下结构异常,尤其是病变主要在皮层下区域具有差异性。

本研究旨在评价神经纤维瘤病I型(NF1)患者-一种多系统神经发育性病变,具有多种影像学异常表现(包括深部灰质核团、脑干和小脑局灶性短暂性髓鞘空泡形成),皮层和皮层下结构异常,尤其是病变主要在皮层下区域具有差异性。

本研究共纳入了32例NF1患者和245名年龄、性别匹配的健康对照者,并行3D T1W MRI,建立图像分析方法,定量评价体积校正后10个皮层下和34个皮层感兴趣区(ROIs)。利用线性模型,比较NF1和对照者的ROI皮层厚度和体积。在层序聚类分析和部分校正中,评价NF1患者和健康对照者皮层和皮层下ROI体积相关模式的差异性。

结果为,NF1患者皮层下体积、选择区域壁层厚度要高于健康对照者,尤其是在海马、杏仁体、大脑白质、中脑腹侧、丘脑和视觉皮层。在NF1患者中,丘脑和苍白球与22个皮层ROI体积和年龄具有负性相关性,这表明随着年龄增长,体积逐渐减小。此外,与健康对照者相比,NF1患者ROI具有独特的聚类和偏相关模式。

本研究表明,神经纤维瘤病I型患者皮层下体积、皮层厚度较高,尤其是在海马、杏仁体、大脑白质、中脑腹侧、丘脑和视觉皮层区域,这些神经纤维瘤病I型相关体积变化也许与年龄因素有关。

原始出处:

Barkovich MJ, Tan CH, Nillo RM,et al.Abnormal Morphology of Select Cortical and Subcortical Regions in Neurofibromatosis Type 1.Radiology.DOI:10.1148/radiol.2018172863

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    2019-04-06 王秀

    学习的,涨知识了!

    0

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    2019-04-05 王秀

    学习了,涨知识了!

    0