What is it about?
Neural tracts in cerebral white matter cannot be recognized visually. Effort to virtually visualize them by Fiber Tracking in diffusion tensor imaging (DTI) is advanced technology and gave us spatial information to some extent; however it has a limitation because of the lack of precision due to the deformity of brain during surgery. Resection of intrinsic brain tumor needs precise localization of neural tract to prevent neurological deterioration. Conventional electrical stimulation on the resection cavity wall gives information of the proximity of neural tracts physiologically and spatially precise. However the positions of those neural tracts were hard to be marked. We developed the method to recognize the Motor Tract Position during surgery.
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Why is it important?
We developed the method to mark neural tract with plastic tubes during white matter electrical stimulation by our needle electrode.
Perspectives
This technique enables surgeons to recognize the location of a certain neural tract in a surgical field. Consequently safe and confident tumor resections are possible by this technique. We think that this might be beneficial for intraoperative recognition of neural tracts and prevention of tract injury.
Fumio Yamaguchi
Nihon Ika Daigaku
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This page is a summary of: An intraoperative motor tract positioning method in brain tumor surgery: technical note, Journal of Neurosurgery, September 2018, Journal of Neurosurgery Publishing Group (JNSPG),
DOI: 10.3171/2017.5.jns162978.
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