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目的：分析伴中央颞区棘波儿童良性癫癎(BECT)患儿的脑电图表现。方法：对52例临床明确诊断的BECT患儿进行脑电图描记。结果：52例患者中,癫癎样波形出现在清醒描记时39例,出现在NREMⅠ—Ⅱ期13例。其中仅出现棘波者31例,尖波者16例,棘、尖波均出现者5例。癫癎样波形仅出现在中央和(或)颞区者43例,除见于中央、颞区外亦散在性出现于其他脑区者9例,其中双额区明显者1例,一侧枕区明显者1例。有2例在清醒描记时出现典型中央颞区棘波,过度换气时出现广泛性双侧同步性3～4 Hz棘慢波综合。结论：大多数BECT患儿有典型的特征性脑电图表现,但少数患儿可出现其它脑电图异常,应注意鉴别。
OBJECTIVE: To analyze the EEG findings in children with benign epilepsy (BECT) with centrotemporal spikes. Methods: EEG was performed on 52 cases of clinically diagnosed BECT. Results: Of the 52 patients, epileptiform waveforms were found in 39 cases of sober tracing and in 13 cases of NREMⅠ-Ⅱ. Among them, 31 cases were spikes only, 16 cases were spikes, and 5 cases were spines and spikes. There were 43 epileptogenic waveforms only in the central and / or temporal regions, except for 9 cases in the central and temporal regions scattered in other brain regions, including 1 case of significant double-frontal area, One obvious case. There were 2 cases of typical central temporal spikes at the time of conscious traumatic manifestations, and extensive bilateral synchronicity of 3 ~ 4 Hz spike and slow wave synthesis during hyperventilation. CONCLUSION: Most of the patients with BECT have typical EEG appearances. However, other EEG abnormalities may occur in a small number of children and attention should be paid to the identification.