Department of Neurosurgery, Charité - Universitätsmedizin Berlin, Berlin, Germany.
Cluster of Excellence: "Matters of Activity. Image Space Material", Humboldt University, Berlin, Germany.
Commun Biol. 2022 Mar 23;5(1):258. doi: 10.1038/s42003-022-03190-6.
Gliomas that infiltrate networks and systems, such as the motor system, often lead to substantial functional impairment in multiple systems. Network-based statistics (NBS) allow to assess local network differences and graph theoretical analyses enable investigation of global and local network properties. Here, we used network measures to characterize glioma-related decreases in structural connectivity by comparing the ipsi- with the contralesional hemispheres of patients and correlated findings with neurological assessment. We found that lesion location resulted in differential impairment of both short and long connectivity patterns. Network analysis showed reduced global and local efficiency in the ipsilesional hemisphere compared to the contralesional hemispheric networks, which reflect the impairment of information transfer across different regions of a network.
浸润网络和系统(如运动系统)的神经胶质瘤,常导致多个系统的功能严重受损。基于网络的统计方法(NBS)可用于评估局部网络差异,而图论分析则可用于研究全局和局部网络特性。在这里,我们使用网络测量来通过比较患者的同侧和对侧半球来描述与胶质瘤相关的结构连接减少,并将发现与神经学评估相关联。我们发现,病变位置导致了短连接和长连接模式的差异损伤。网络分析显示,与对侧半球网络相比,病变侧半球的全局和局部效率降低,这反映了网络中不同区域之间信息传递的受损。