脑室周围白质软化症的CT征象分析

发布时间：2018-05-03 11:44

本文选题：白质软化病 + 脑室周围　；参考：《中国临床医学影像杂志》2015年09期

【摘要】：目的:探讨脑室周围白质软化症临床CT特征。方法:对83例脑室周围白质软化症患者临床CT资料进行回顾性分析。结果:脑室旁软化灶型14例,其中位于双侧枕角旁5例;右侧脑室体部及前、后角旁各2例;左侧脑室体旁3例,枕角旁2例,同时伴有软化灶旁白质减少和皮层灰质变薄;弥漫性白质减少型69例,其中发生于枕角旁39例,前、后角旁15例,弥漫性白质减少15例;合并脱髓鞘病灶7例,胼胝体发育不良19例。CT表现为脑室旁见斑点状或条索状软化灶,个别病例呈球囊状改变;双侧脑室前、后角旁白质容量减少,重者半卵圆中心残留少量白质,枕角呈直角状扩大,边缘僵直,灰质层逼近脑室外侧缘。统计结果表明不同孕期胎龄生产史对病变类型的分布有差异(χ2=52.28,P0.05),弥漫性白质减少分布部位与孕期胎龄生产史间有差异(χ2=25.89,P0.05)。围产期脑白质损伤严重程度与胎龄有相关,孕期胎龄愈小,脑白质损伤愈严重。结论 :脑室周围白质软化症具有特征性,CT检查能够清楚地显示脑白质损伤的病理解剖形态。
[Abstract]:Objective: to investigate the CT features of periventricular leukomalacia. Methods: Ct data of 83 patients with periventricular leukomalacia were retrospectively analyzed. Results: there were 14 cases of paraventricular malacia in which 5 cases were located in the bilateral occipital horn, 2 cases in the body of the right ventricle and 2 cases in the anterior and posterior horn, 3 cases in the paraventricular body and 2 cases in the occipital horn, accompanied by the decrease of the white matter and the thinning of the cortical gray matter. There were 69 cases of diffuse leukopenia, including 39 cases of parioccipital horn, 15 cases of anterior and posterior horn, 15 cases of diffuse leukopenia, 7 cases of complicated demyelinating lesions, 7 cases of diffuse leukopenia, and 7 cases of diffuse leukopenia. Ct findings of 19 cases with dysplasia of corpus callosum showed fleck or stripe malacia around the ventricle, saccular changes in some cases, decreased volume of the white matter in the posterior horn of the anterior ventricle, and a small amount of white matter in the center of the hemi-oval center in the heavy cases, while in the anterior ventricle, the volume of the white matter in the posterior horn decreased. The occipital angle enlarged at a right angle, the margin was stiff, and the gray layer approached the lateral edge of the ventricle. The statistical results showed that there were significant differences in the distribution of pathological types among different gestational ages (蠂 2 + 52.28 P 0.05), and there were differences between the distribution of diffuse white matter reduction and the birth history of gestational age (蠂 2 + 25.89% P 0.05). The severity of perinatal white matter injury was correlated with gestational age, and the smaller the gestational age, the more serious the white matter injury was. Conclusion: periventricular leukomalacia is characterized by CT scan, which can clearly show the pathological and anatomic morphology of white matter injury.
【作者单位】：甘肃省天水市第三人民医院放射科;
【分类号】：R742;R816.1

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