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超急性期大面积脑梗死的CT诊断

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摘要 目的:通过对超急性期大面积脑梗死早期征像的认识提高超急性期大面积脑梗死的CT诊断水平。方法:对12例经CT复查确诊,其中1例还有MRI证实,发病在6h内的病例进行回顾性分析。结果:超急性期大面积脑梗死的CT征象有:病变区周围脑沟、脑池变窄或闭塞、消失;大脑中动脉密度增高(或称为动脉致密征);灰白质分界不清(或称岛带征);病变区密度略减低;病变部位、范围与闭塞血管供血区一致。结论:平扫CT可发现超急性期大面积脑梗死的一些早期征像,同时CT可排除脑出血,对超急性期大面积脑梗死具有重要的诊断作用。
机构地区 龙岩市第二医院
出处 《实用医技杂志》 2007年第9期1121-,共1页 Journal of Practical Medical Techniques
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