过去诊断脑内气栓,主要依据病史,症状和体征。由于气泡在血管内消散很快,因此用神经放射学甚至尸检证实脑内气栓是困难的。CT 扫描可以显示脑内气泡,从而作出正确诊断。作者报告一例经 CT 扫描确诊的继发于脑血管造影术后发生的脑内气栓。病例报告:一岁男孩,11个月时曾有过为期3天的右侧肢体偏瘫。入院后脑血管造影显示双侧颈内 Past diagnosis of cerebral air embolism, mainly based on medical history, symptoms and signs. Due to the rapid disappearance of air bubbles in the blood vessels, neuroradiology and even autopsy confirmed that it is difficult to find cerebral embolism. CT scan can show the brain bubble, so as to make the correct diagnosis. The authors report a CT aircrew that has been diagnosed secondary to cerebrovascular angiography. Case Report: One-year-old boy, who had had a 3-day limb hemiparesis at 11 months. Cerebral angiography after admission showed bilateral neck