Abstract
目的 分析颈动脉海绵窦瘘(CCF)的MRI表现及诊断价值.方法 搜集近年有完整临床资料的CCF 12例进行MRI表现的回顾性分析.其中男8例,女4例;外伤性CCF 11例,自发性1例,均由DSA造影证实.结果 MRI主要表现为:(1)眼球突出11例;(2)海绵窦扩大12例;(3)眼上静脉扩张、迂曲 11例,蝶顶窦和大脑中、浅静脉扩张2例,岩上窦和岩下窦扩张2例,眼下静脉和眼睑静脉扩张 1例;(4)眼外肌增粗3例;(5)脑萎缩3例,脑水肿和脑出血2例.结论 MR检查是一种无创伤的诊断CCF的方法,具有准确、方便、特异性高等优势,能明确病变部位及程度,但应进行必要的鉴别诊断。
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