灰质异位症的CT诊断  

Gray Matter Heterotopia:CT Diagnosis

作　　者：刘勃[1] 董季平[2] 张增俊[1] 江菊芬[1] 王玉华[3] 

机构地区：[1]西安市儿童医院CT室,陕西西安710003 [2]西安市中心医院,市医学影像中心 [3]西安市儿童医院神经内科

出　　处：《实用放射学杂志》2003年第9期785-787,共3页Journal of Practical Radiology

摘　　要：目的　分析灰质异位症的CT表现和分型。方法　回顾性分析 2 6例灰质异位症患儿的临床及CT资料 ,其中男 11例 ,女15例 ,年龄 2d～ 9岁 ,平均 2 .6岁。结果　 (1)室管膜下型 14例。合并脑膜膨出 5例 ,Dandy -Walker畸形 1例 ,枕大池蛛网膜囊肿1例。 (2 )皮质下型 7例 ,4例合并胼胝体发育不全。 (3 )带状型 5例。结论　CT不仅能显示室管膜下型、皮质下型、带状型灰质异位的形态学表现 。Objective To analyze the CT appearances and the classification of gray matter heterotopia.Methods The clinical and CT data of 26 cases with gray matter heterotopia were retrospectively reviewed,11 were males and 15 were females,ranged in age from 2 days to 9 years with a mean of 2.6 years.Results The classification of heterotopia included:(1)Subependymal heterotopia in 14,5 cases with encephaloceles,1 case with Dandy-Walker malformation and 1 case with arachnoid cyst of cisterna megna.(2)Subcortical heterotopia in 7,4 cases with callosal agenesis were accompanied.(3)Band heterotopia in 5.Conclusion CT scan can not only reveal the appearances of the subependymal,subcortical and band types heterotopia,but also show other associated abnormalities.

关 键 词：灰质异位症 CT诊断 灰质异位症 体层摄影 X线计算机 

分 类 号：R742[医药卫生—神经病学与精神病学] R814.42[医药卫生—临床医学]