Visualization of the corticospinal tract pathway using magnetic resonance axonography and magnetoencephalography for stereotactic irradiation planning of arteriovenous malformations

被引:12
作者
Aoyama, H
Kamada, K
Shirato, H
Takeuchi, F
Kuriki, S
Iwasaki, Y
Miyasaka, K
机构
[1] Hokkaido Univ, Dept Radiol, Grad Sch Med, Kita Ku, Sapporo, Hokkaido 0608638, Japan
[2] Hokkaido Univ, Grad Sch Med, Dept Neurosurg, Sapporo, Hokkaido, Japan
[3] Hokkaido Univ, Appl Elect Res Inst, Sapporo, Hokkaido 060, Japan
关键词
stereotactic; radiosurgery; axon; magnetoencephalography; magnetic resonance imaging; arteriovenous malformation;
D O I
10.1016/S0167-8140(03)00032-X
中图分类号
R73 [肿瘤学];
学科分类号
100214 ;
摘要
Corticospinal tract (CST) information using anisotropic diffusion-weighted imaging and magnetoencephalography were integrated into radiosurgical planning for two patients with deeply seated arteriovenous malformation. The volume of CST receiving > 10 Gy, > 15 Gy, and maximum dose of CST could be reduced when plans were created with the aid of CST information compared with plans without the information. The results indicate that the use of CST information might reduce the risk of post-radiosurgical motor disturbance resulting from radiation necrosis. (C) 2003 Elsevier Science Ireland Ltd. All rights reserved.
引用
收藏
页码:27 / 32
页数:6
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