【摘要】 目的 探讨CT检查在脑裂畸形诊断中的价值。方法 回顾性分析了15例脑裂畸形的CT表现及相关的临床资料，并进行了CT分型：融合型(Ⅰ型)和分离型(Ⅱ型)，每型又分轻度(a)和重度(b)。结果 15例脑裂畸形中共检出22条裂隙。融合型3例，分离型12例，其中Ⅰa型1例，Ⅰa+Ⅰa型1例，Ⅰb型1例，Ⅱb型7例，Ⅱb+Ⅱb型1例，Ⅱb+Ⅱb+Ⅱb型1例,Ⅱa+Ⅱb型3例。可见软脑膜—室管膜缝(P-E缝)12例共14条裂隙，中间段狭窄，边缘内衬灰质。可见侧脑室憩室11例共13个憩室。合并透明隔缺如7例。结论 脑裂畸形具有特征性CT表现，CT检查对该病的诊断和鉴别诊断具有十分重要的价值。

    【关键词】 脑；脑裂畸形；体层摄影术；X线计算机

    CT diagnosis of schizencephaly

    PU Jun-zhi,ZHANG Qiang,LIU Jun,et al.

    Department of CT,The First Hospital of Huhhot,Huhhot 010020,China

    【Abstract】 Objective To evaluate the value of CT imagine in diagnosis of schizencephaly.Methods 15 cases of schizencephaly were reviewed and classified as follow from the characterization of CT imagine and clinic data: Type Ⅰ: Fusion type mild (a) and severe (b);Type Ⅱ: separation type mild (a) and severe (b).Results There are 22 clefts were found in 15 cases of schizencephaly.Among them there are 3 type Ⅰ and 12 type Ⅱ cases.P-E Seam were viewed in 12 cases.Diverticulum was observed in 11 cases and within 7 cases of them,there are transparent sepatal defection were combined.Conclusion There are significant difference between schizencephaly and normal population in CT imagine.Therefore CT imagine is very important in the diagnosis and identify diagnosis of schizencephaly. ......