IDENTIFICATION OF MOTOR CORTEX USING MOTOR ACTIVATION BRAIN PERFUSION SPECT WITH BRAIN EASY ANALYSIS TOOLS

概要

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The purpose of this study was to identify the motor activation area using SPECT in patients with lesions near the central sulcus. Method: Six patients were investigated. ^<99m>Tc-ethyl cysteinate dimer (^<99m>Tc-ECD) was used for obtaining single photon emission computed tomography (SPECT) images. After obtaining resting images, a tracer for activated images was injected during a motor task, and activated images were obtained. Both images were realigned and registered on the patient's magnetic resonance images (MRI) with the automated image registration (AIR). Subtracted images were calculated using a software called Brain Easy Analysis Tools (BEAT). Results: Motion artifacts were further reduced by realignment and registration with AIR. Activation areas in motor cortex were visualized for all patients on their individual MRI. In using this method, only a SPECT system and a personal computer system were required. This procedure could be performed easily, and the computation could be done in several minutes. Conclusion: Motor activation brain perfusion SPECT is easy to perform and provides useful information in surgical planning for lesion near the central sulcus.
名古屋市立大学の論文
2005-03-28