18例脉络膜裂囊肿的磁共振表现
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【摘要】 目的 探讨脉络膜裂囊肿的磁共振表现。方法 回顾性分析18例脉络膜裂囊肿的MRI表现。结果 18例囊肿均位于脉络膜裂内,均为单发病灶;最大者2.9×2.2×1.1 cm,小者最大径仅0.5 cm,表现为界限清楚的囊性病变,病灶周围均无水肿,MR增强扫描无强化。结论 正确认识脉络膜裂囊肿的影像学表现,可避免误诊。MRI具有多平面成像的特点,可清楚地显示脉络膜裂,对脉络膜裂囊肿的诊断明显优于CT。
【关键词】囊肿;脉络膜裂;磁共振成像
MR imaging diagnosis of 18 choroidal fissure cyst of the brain
YAN Ruifang,HAN Dongming,LI Yuxia.Department of MR,The First Affiliated Hospital of XinXiang Medical College,WeiHui 453001,China
【Abstract】 Objective To study the MR findings of choroidal fissure cyst of the brain.Methods Characteristic MR findings in 18 patients with choroidal fissure cyst were retrospectively analyzed.Results The cysts were situated within the choroidal fissure in all cases,and all cases were single,with clear border,no associated edema,and no enhancment in GdDTPA enhanced MRI ......
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