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Manifestation of magnetic source imaging in patients with refractory epilepsy and encephalomalacia
Author(s): SUN Ji-lin, LIU Chang-lin, WU Jie, LI Su-min, LIU Lian-xiang, WU Yu-jin
Pages: 634-
636
Year: 2005
Issue:
6
Journal: CHINESE JOURNAL OF RADIOLOGY
Keyword: 脑磁图描记术; 脑软化; 癫痫; 磁共振成像;
Abstract: 目的探讨磁源性影像(MSI)对脑软化灶伴有难治性癫痫发作患者癫痫灶的定位价值.方法 11例脑软化灶伴有难治性癫痫的患者进行了MSI检查,将其结果与视频脑电图(VEEG)、皮质脑电图(ECoG)结果进行比较.其中5例行伽玛刀放射治疗,6例行手术治疗.结果 5例伽玛刀放射治疗后,3例疗效满意,1例显著改善,1例无效,1例癫痫灶距离软化灶后方约4 cm,1例脑软化灶位于右额顶叶,但其癫痫源主要位于右侧颞叶,右额叶软化灶后方只出现少量棘波,3例癫痫灶位于脑软化灶周围.6例经手术治疗的患者中,VEEG、ECoG和MSI对癫痫灶定位完全一致3例,2例ECoG确定的棘波范围均大于VEEG及MSI,1例VEEG、MSI及 ECoG定侧均不一致,该患者进行了双侧枕叶癫痫灶切除术,所有手术治疗的患者疗效满意.结论 MSI对脑软化灶伴有难治性癫痫发作患者癫痫灶定位准确,具有指导临床进一步治疗的价值.
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