不同分型脑囊尾蚴病患者影像学特征

发布时间：2018-05-14 12:06

本文选题：脑囊尾蚴病 + 影像学特征　；参考：《中国血吸虫病防治杂志》2015年05期

【摘要】：目的探讨不同分型脑囊尾蚴病的影像学特征。方法对166例经临床确诊的脑囊尾蚴病患者的CT及MRI表现进行回顾性分析。结果 166例脑囊尾蚴病患者中,脑实质型108例,脑室型15例,脑膜型3例,混合型40例。各型脑囊尾蚴病CT、MRI特点:1脑实质型脑囊尾蚴病可分为急性期型(囊泡型、脑炎型、多发环形或结节状强化型)和慢性钙化型。囊泡型:CT表现为单发或多发囊状影,边界清楚,囊内可见高密度头节;MRI表现为类圆形长T1、长T2信号,囊内可见偏心附壁的点状影,囊壁及头节为等信号,增强后无明显强化;脑炎型:CT呈散在低密度灶,MRI表现为斑片状稍长T1、长T2信号,多数无明显强化或不规则强化;结节状或多发环形强化型:CT平扫为多发结节状低密度灶,增强扫描呈多发结节或环形强化;慢性钙化型:CT表现为单发或多发的圆点状高密度影,MRI上表现为等或长T1、短T2信号。2脑室型:常发生于第三、四脑室,可并发阻塞性脑积水。3脑膜型:脑脊液间隙局限性扩大且不对称,可出现交通性脑积水,增强扫描后可出现软脑膜强化。4混合型:表现为上述2种或以上类型并存,急、慢性期影像混合存在。结论不同分型脑囊尾蚴病影像学表现各不相同,分析这些独特的影像学特征对脑囊尾蚴病患者的临床诊治及预后评判具有重要意义。
[Abstract]:Objective to investigate the imaging features of different types of cerebral cysticercosis. Methods CT and MRI findings of 166 patients with cerebral cysticercosis were retrospectively analyzed. Results among 166 cases of cerebral cysticercosis, 108 cases were cerebral parenchyma type, 15 cases were ventricular type, 3 cases were meningeal type and 40 cases were mixed type. MRI features of various types of cerebral cysticercosis: 1 brain parenchymal type of cysticercosis can be divided into acute type (vesicular type, encephalitis type, multiple circular or nodular enhancement type) and chronic calcification type. Ct showed single or multiple cystic shadows with clear boundary. High density cephaloscopes could be seen as round long T _ 1 and long T _ 2 signal intensity in the cysts. Eccentrically attached punctate shadows could be seen in the cysts, and the wall and head ganglia were isointense, but no obvious enhancement was found after enhancement. The MRI features of encephalitis type CT were scattered in low density foci. The MRI features were patchy slightly longer T 1, long T 2 signal intensity, no obvious enhancement or irregular enhancement, and nodular or multi-ring enhanced CT scan showed multiple nodular low density lesions. Contrast-enhanced scan showed multiple nodules or ring enhancement; chronic calcified type of CT showed solitary or multiple round dot high-density MRI with iso-or long T _ 1, short T _ 2 signal intensity of .2 ventricle type: it often occurred in the third and fourth ventricle. Obstructive hydrocephalus. 3 meningeal type: the cerebrospinal fluid space is localized enlarged and asymmetrical, the communicating hydrocephalus may appear, and the pia meningeal enhancement 4 mixed type may appear after enhanced scan. Chronic imaging mixes are present. Conclusion different types of cerebral cysticercosis have different imaging manifestations. It is important to analyze these unique imaging features for clinical diagnosis, treatment and prognosis evaluation of cerebral cysticercosis.
【作者单位】：山东省寄生虫病防治研究所;
【分类号】：R532.33

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