钆塞酸二钠增强MR与增强CT在肝脏局灶性病变诊断中的对比研究
Journal of China Clinic Medical Imaging(2017)
Abstract
目的:比较有肝胆期钆塞酸二钠增强MR、无肝胆期钆塞酸二钠增强MR及增强CT对肝脏局灶性病变的诊断效能.方法:38例患者(55个局灶性肝脏病变)行增强CT及钆塞酸二钠增强MR检查,所有肝脏病变均经病理或随访证实.4名放射科医生以六分制评分标准进行独立盲法分析.结果:与增强CT及无肝胆期钆塞酸二钠增强MR相比,有肝胆期钆塞酸二钠增强MR上阅片者将更多的肝脏病变准确归类于良性病变及恶性病变.增强CT诊断肝脏病变的敏感度为51.6%,特异度为56.5%,准确度为53.6%;无肝胆期钆塞酸二钠增强MR诊断肝脏病变的敏感度为68.8%,特异度为59.8%,准确度为65.0%;有肝胆期钆塞酸二钠增强MR诊断肝脏病变的敏感度为89.1%,特异度为78.3%,准确度为84.5%,高于增强CT及无肝胆期钆塞酸二钠增强MR,差异具有统计学意义(P<0.05).结论:与增强CT及无肝胆期钆塞酸二钠增强MR相比,有肝胆期钆塞酸二钠增强MR可提高阅片者对肝脏局灶性病变的诊断效能.
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Key words
Liver neoplasms,Liver diseases,Tomography,spiral computed,Magnetic resonance imaging
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