Intraoperative visualization of the pyramidal tract by diffusion-tensor-imaging-based fiber tracking
Intraoperative visualization of the pyramidal tract by diffusion-tensor-imaging-based fiber tracking
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DOI：
10.1016/j.neuroimage.2005.11.001
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发表时间：
2006-05-01
期刊：
影响因子：
5.7
通讯作者：
Fahlbusch, Rudolf
中科院分区：
文献类型：
--
作者：
Nimsky, Christopher;Ganslandt, Oliver;Fahlbusch, Rudolf
功能性神经导航允许术中可视化皮质功能脑区。主要的白色物质束，如锥体束，可以通过基于扩散张量成像的纤维追踪来描绘。这些纤维束成像数据被集成到3-D数据集应用于神经导航的刚性登记的扩散图像与标准的解剖图像数据，使他们的课程可以叠加到手术领域在切除胶质瘤。术中高场磁共振成像用于补偿脑移位的影响，脑移位达8 mm。尽管通过非线性配准技术识别的回波平面图像存在图像失真，但导航是可靠的。19例患者均未出现新的术后神经功能缺损。术中主要白色物质束的可视化可以保留功能区附近胶质瘤的切除。在切除主要肿瘤部分后，必须考虑到锥体束的可能移位。(c)2005年爱思唯尔公司All rights reserved.
Functional neuronavigation allows intraoperative visualization of cortical eloquent brain areas. Major white matter tracts, such as the pyramidal tract, can be delineated by diffusion-tensor-imaging based fiber tracking. These tractography data were integrated into 3-D datasets applied for neuronavigation by rigid registration of the diffusion images with standard anatomical image data so that their course could be superimposed onto the surgical field during resection of gliomas. Intraoperative high-field magnetic resonance imaging was used to compensate for the effects of brain shift, which amounted up to 8 mm. Despite image distortion of echo planar images, which was identified by non-linear registration techniques, navigation was reliable. In none of the 19 patients new postoperative neurological deficits were encountered. Intraoperative visualization of major white matter tracts allows save resection of gliomas near eloquent brain areas. A possible shifting of the pyramidal tract has to be taken into account after major tumor parts are resected. (c) 2005 Elsevier Inc. All rights reserved.