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目的讨论婴幼儿早期惊厥与额叶脑回发育落后的关系及CT表现。方法对临床150例惊厥患儿出院后随访,选择有完整追踪资料的69例经头颅CT检查诊断为额叶脑回发育迟缓患儿,定期评价至3岁龄。结果额叶发育迟缓及惊厥发作人次均以6、9个月两个年龄段最多,1～、2～和3～岁3个年龄段随着脑回的发育,惊厥随之减少。所有病例头围与正常同龄儿比较均在正常低限;各种病因导致的脑额叶发育迟缓的恢复时间有区别,低体重儿恢复快,而肠道感染合并中毒性脑病恢复较慢。结论CT可早期直观提示婴儿、幼儿早期额叶脑回发育迟缓情况,为临床早期确诊婴幼儿良性惊厥提供新的诊断信息。
Objective To discuss the relationship between early convulsion in infants and young children and the backward development of frontal lobe and CT manifestations. Methods A total of 150 children with convulsions in our hospital were followed up after discharge from hospital. 69 children with delayed onset of development of the frontal lobe were diagnosed by skull CT examination. The patients were regularly evaluated to 3 years old. Results The frontal lobe retardation and seizure episodes were most frequent in both age groups of 6 and 9 months. The convulsions decreased with the development of the brain back in 3 ~ 1, 2 ~ and 3 ~ 3 age groups. Head circumference of all cases and normal peers were in the normal low limit; various etiologies lead to differences in the recovery time of frontal lobe retardation, low birth weight children recover quickly, and intestinal infection with toxic encephalopathy recovery is slow. Conclusions CT can be used to provide an early visual indication of the delayed development of early frontal gyrus in infants and young children and to provide new diagnostic information for the early detection of benign seizures in infants and young children.