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值得注意的主动脉夹层CT平扫征象 被引量:7

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摘要 目的描述能提示主动脉夹层的CT平扫征象。方法回顾性分析24例主动脉夹层动脉瘤患者,男18例,女6例,除12例夜间急诊患者行CT平扫后于次日进一步增强扫描外,其余患者均同时行平扫加增强扫描。结果24例夹层动脉瘤,DeBakeyⅠ型5例,Ⅱ型8例,Ⅲ型11例。CT平扫征象包括:①主动脉增宽13例;②管腔内线样征12例,多为稍高或高密度(8例),也可以是低密度(4例);③钙化斑块移位8例;④11例可见管壁呈新月形或弧形增厚>5mm,5例为低密度影,6例为稍高或高密度影;⑤其他间接征象包括主动脉迂曲,管壁钙化,胸腔积液,心包积液等。结论主动脉夹层的确诊需要行CT增强扫描,但对于不能使用对比剂或因非典型症状仅作平扫的患者,主动脉CT平扫的上述异常征象能提示主动脉夹层的存在。
出处 《四川医学》 CAS 2009年第11期1809-1811,共3页 Sichuan Medical Journal
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参考文献10

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