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Lesion localization of global aphasia without hemiparesis by overlapping of the brain magnetic resonance images

Neural Regeneration Research 2014年第23期9卷 2081-2086页

作者： Woo Jin Kim Nam-Jong Paik Department of Rehabilitation Medicine Seoul National University Bundang Hospital Department of Physical Medicine and Rehabilitation Haeundae Paik Hospital Inje University of Medicine Department of Rehabilitation Medicine Seoul National University College of Medicine

global aphasia without hemiparesis is a striking stroke syndrome involving language impairment without the typically manifested contralateral hemiparesis, which is usually seen in patients with global aphasia following large left perisylvian lesions. The objective of this study is to elucidate the specific areas for lesion localization of global aphasia without hemiparesis by retrospectively studying the brain magnetic resonance images of six patients with global aphasia without hemiparesis to define global aphasia without hemiparesis-related stroke lesions before overlapping the images to visualize the most overlapped area. Talairach coordinates for the most overlapped areas were converted to corresponding anatomical regions. Lesions where the images of more than three patients overlapped were considered significant. The overlapped global aphasia without hemiparesis related stroke lesions of six patients revealed that the significantly involved anatomi- cal lesions were as follows： frontal lobe, sub-gyral, sub-lobar, extra-nuclear, corpus callosum, and inferior frontal gyrus, while caudate, claustrum, middle frontal gyrus, limbic lobe, temporal lobe, superior temporal gyrus, uncus, anterior cingulate, parahippocampal, amygdala, and subcallosal gyrus were seen less significantly involved. This study is the first to demonstrate the heterogeneous anatomical involvement in global aphasia without hemiparesis by overlapping of the brain magnetic resonance images.

关键词： nerve regeneration global aphasia without hemiparesis global aphasia stroke hemiparesis brain magnetic resonance imaging neural regeneration

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