Abstract
Objective To explore the relationship between tumor location of low grade gliomas in motor area and motor dysfunction by drawing the dyskinesia risk map.Methods All of images of patient were registered to T1 weighted brain atlas (MNI152; Montreal Neurological Institute),calculating the overlay layer of motor dysfunction account for the total number of overlay for each voxel,in order to draw the dyskinesia risk map.Results The dyskinesia risk map was acquired by quantitive neuroimage analysis.The medial part of the hand knot had more effects on motor strength than the lateral part.The risk values of the lateral part of hand knot and secondary motor areas were lowest.From the lateral part to the medial,the risk values increased gradually from 40％ to 80％.Conclusions The dyskinesia risk map could demonstrate the relationship between low grade gliomas in motor area and motor dysfunction effectively,and predictively evaluate the motor dysfunction. Key words: Low-grade gliomas; Motor area; Muscle strength; Magnetic resonance imaging
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