方法：对5例下丘脑错构瘤患者的术前头皮脑电图和术中皮层脑电图及瘤体电图进行监测，并分析讨论。
Methods:Pre operative scalp EEG, cortex EEG and the tumor body electrogram during operation were recorded in 5 patients with hypothalamic hamartoma, and the results were analyzed.
结果对视频脑电图的直接人工分析定位率为81 % ，结合临床症状、偶极子定位分析准确率可以达到91 .4 % ，且均可以达到与术中皮层脑电图检查定位一致或基本一致。
Results Epileptogenic zone localization ratio of prolonged VEEG by man analysis only is 81%, and the ratio achieve 91.4% when the analysis was combined with seizure sym…
结论DNT为良性病变，需外科治疗，手术时全切除肿瘤及术中采用皮层脑电图监护可提高手术疗效。
Conclusions DNT is benign tumor which could be treated by surgery, total removal of tumor and using intraoperative electrocorticography could improve the result of operation.
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