婴儿晚发性维生素K缺乏致颅内出血的CT诊断

目的：分析婴儿晚发性维生素Ｋ缺乏致颅内出血的ＣＴ表现和诊断价值。材料和方法：对经临床确诊的２５例婴儿晚发性维生素Ｋ缺乏致颅内出血的ＣＴ资料进行回顾性分析，着重观察出血部位特征。全部病例均为平扫。结果：颅内出血的ＣＴ表现为：１多部位混合性出血：蛛网膜下腔出血（２３／２５），硬膜下出血（１７／２５），脑实质出血（１２／２５）。２伴发脑水肿（１９／２５），脑疝（１２／２５）和对侧侧脑室扩大（４／２５）。结论：婴儿晚发性维生素Ｋ缺乏致颅内出血的ＣＴ表现有一定特征性，ＣＴ能起到定位定性的作用。

CT Diagnosis of Intracranial Hemorrhage Caused by Delayed Vitamine K Deficiency in Infant

Purpose:To analyse the CT findings of intracranial hemorrhage casued by delayed vitamine K deficiency and to improve its diagnostic value with accuracy.Materials and Methods:The author studied retrospectively the CT appearances of 25 cases involving intracranial hemorrhage caused by delayed vitamine K deficiency,especially the features of hemorrhage.All cases were scanned plain.Results:The intracranial hemorrhage showed multi-locations with mixed features.23 cases had subarachnoid hemorrhage,17 with subdual hemorrhage and 12 of hematencephalon.19 cases accompanied with brain hydrops,12 with brain hernia,4 with ventricle enlargement.Conclusion:The CT appearance of intracranial hemorrhage caused by delayed vitamine K deficiency had specificities.CT play an important role in localization and qualitative acknowlegement.