多小脑回皮质中的语言和运动功能磁共振成像激活
Language and motor FMRI activation in polymicrogyric cortex.
作者信息
Araujo David, de Araujo Draulio B, Pontes-Neto Octavio M, Escorsi-Rosset Sara, Simao Gustavo N, Wichert-Ana Lauro, Velasco Tonicarlo R, Sakamoto Americo C, Leite Joao P, Santos Antonio C
机构信息
Department of Neurology-FMRP, University of Sao Paulo, Ribeirao Preto, Brazil.
出版信息
Epilepsia. 2006 Mar;47(3):589-92. doi: 10.1111/j.1528-1167.2006.00473.x.
PURPOSE
To analyze the patterns of brain activation in polymicrogyric cortex in epilepsy patients by blood oxygenation level-dependent (BOLD) functional MRI (fMRI), during language and motor activation tasks.
METHODS
Five patients with extratemporal epilepsy associated with polymicrogyria were scanned in a 1.5-T Siemens scanner with BOLD fMRI sequences, by following language and motor paradigms. Functional images were processed by using Brain Voyager software.
RESULTS
Activation of polymicrogyric cortex in the brain area that corresponds to the motor strip was present in all patients. Language studies revealed activation of polymicrogyric cortex over Broca's area in three cases.
CONCLUSIONS
Functionality was shown in polymicrogyric areas. Therefore if surgical resection is indicated, a careful functional planning is necessary because of functionality of the polymicrogyric cortex.
目的
通过血氧水平依赖（BOLD）功能磁共振成像（fMRI）分析癫痫患者在语言和运动激活任务期间多小脑回皮质的脑激活模式。
方法
对5例与多小脑回相关的颞叶外癫痫患者，采用BOLD fMRI序列，按照语言和运动范式，在1.5-T西门子扫描仪上进行扫描。使用Brain Voyager软件处理功能图像。
结果
所有患者大脑中对应运动带的区域均出现多小脑回皮质激活。语言研究显示3例患者在布洛卡区上方的多小脑回皮质有激活。
结论
多小脑回区域显示出功能。因此，如果需要进行手术切除，由于多小脑回皮质的功能，进行仔细的功能规划是必要的。
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