Guerrini R, Ferrari A R, Battaglia A, Salvadori P, Bonanni P
Institute of Developmental Neuropsychiatry, University of Pisa, Italy.
Neurology. 1994 Feb;44(2):253-9. doi: 10.1212/wnl.44.2.253.
We recorded occipitotemporal seizures induced by intermittent photic stimulation in three children with brain injuries, aged 10 to 13 years. All had a history of seizures and showed occipital spikes on EEG, but were seizure free and were not being treated at the time of investigation. In all, photic stimulation induced seizures in the right occipital lobe. They were followed by clinical and EEG signs suggesting infrasylvian spreading to ipsilateral mesiotemporal limbic structures and by vomiting, appearing at late stages of the attacks. Seizure spread was very slow in two patients in whom attacks lasted 16 and 25 minutes. Patients with occipital epileptiform abnormalities presenting with ictal vomiting are often diagnosed as having vague migraine-epilepsy syndromes. We conclude that vomiting can be a late ictal phenomenon resulting from temporal lobe spread of seizures originating in the occipital lobe.
我们记录了3名10至13岁脑损伤儿童在间歇性光刺激下诱发的枕颞叶癫痫发作。所有患儿均有癫痫发作史，脑电图显示枕部尖波，但在调查时无癫痫发作且未接受治疗。总体而言，光刺激诱发了右侧枕叶癫痫发作。随后出现提示向同侧颞中边缘结构的颞下扩散的临床和脑电图征象，并伴有发作后期出现的呕吐。两名发作持续16分钟和25分钟的患者癫痫发作扩散非常缓慢。伴有发作性呕吐的枕叶癫痫样异常患者常被诊断为患有模糊的偏头痛 - 癫痫综合征。我们得出结论，呕吐可能是起源于枕叶的癫痫发作向颞叶扩散导致的晚期发作现象。
