[摘要] 目的 比较急性颅脑损伤的CT与MRI表现及在诊断中各自的优势。方法 选择36例急性颅脑损伤的患者,分别在伤后72h内完成CT与MRI检查,自身对照分析两者的优缺点。结果 36例中,CT对骨折、蛛网膜下腔出血及多发脑挫裂伤显示较好,但漏检2例脑挫裂伤、5例轴索损伤和1例硬膜下血肿;MRI病灶检出率较CT高,但MRI有3例骨折、1例轴索损伤和4例蛛网膜下腔出血不能检出。结论 MRI各序列在急性颅脑损伤诊断中具有较高的诊断价值,可弥补CT对小脑、脑干、颞叶边缘挫裂伤及轴索损伤等诊断的不足,值得临床进一步研究和应用。

    [关键词] 颅脑；损伤；体层摄影术，X线计算机;磁共振成像

    Comparative study between CT and MRI for acute cerebral trauma

    WU Zong-shan,LUO Ling,PENG Chuan-yong,et al.Imaging Center,Liuan People’s Hospital,Liuan 237005,China

    [Abstract] Objective To compare CT and MRI findings and its individual diagnostic superiority in acute cerebral trauma.Methods Thirty-six patients with acute cerebral trauma underwent CT and MRI inspection 72h after the wound,and comparative analysis was done.Results In 36 patients,CT was useful for the diagnosis of fracture,subarachnoid hemorrhage and multiple brain contusions ......