[摘要]目的 探讨脑部脉络膜裂囊肿的MRI表现特点。方法 回顾性分析25例脉络膜裂囊肿病人的MRI资料。所有病例均行MR平扫，2例同时行MR增强扫描，5例行CT平扫检查。结果 25例均表现为脉络膜裂内类圆形或纺锤形脑脊液信号灶，边界清，周围无水肿。2例增强扫描者均无强化。结论 MRI是诊断脉络膜裂囊肿并与其他病变鉴别的重要依据，对于指导临床有重要意义。

    [关键词] 脉络膜裂;囊肿;脑;磁共振成像

    MRI DIAGNOSIS OF CHOROID FISSURE CYSTS OF THE BRAIN

    WANG LI-PING， XU WEN-JIAN， WANG LI-HUA， et al

    (Department of Radiology， The Affiliated Hospital of Qingdao University Medical College， Qingdao 266003， China)

    [ABSTRACT]ObjectiveTo investigate the MRI characteristics of choroid fissure cysts of the brain. MethodsTwenty-five patients with choroid fissure cysts diagnosed by MR imaging were reviewed. Enhancement scanning was done in two of them at the same time， and CT was performed in five cases. ResultsThe cysts were situated within the choroidal fissure in all cases， re-presenting as round or spindle lesions with clear border ......