脑囊虫病72例MRI表现分析

MRI Manifestions of Cerebra Cysticercosis: Analysis of 72 Cases

目的 重点逐灶分析大宗脑囊虫病MRI表现 ,并初步探讨脑囊虫病的诊断标准。方法 回顾性阅读已确诊的脑囊虫病例的MRI片 ,并于横断面、矢状面、冠状面的立体结构上对全部病灶进行定位、定数及MRI解剖分析。结果 脑囊虫病以涉及脑实质最为常见 (97 2 % ) ,且绝大多数寄生于双侧大脑半球皮髓质交界处 (83 1% ) ,95 7%的病人系多发病灶。脑实质囊虫病MRI表现有 9种之多。同一患者同时出现 2种或 2种以上表现者占 5 4 3 %。对其头节、囊泡、周边水肿、钙化状态等征象 ,MRI都有其特征性表现 ,一般诊断不难。脑室内及蛛网膜下腔囊虫病表现为小圆形活囊虫灶及葡萄丛状 2种 ,以T1加权显示病灶较好。脑囊虫病MRI表现复杂多样 ,其主要取决于囊虫感染的不同阶段及部位。结论 脑囊虫病MRI表现复杂多样MRI可予以定性、定位。

Objective To analyse the MR imaging of cerebral cysticrcosis and to investigate its diagnostic criteria. Methods Anatomy analysis to the diagnosed cerebral cysticercosis in axial, sagital and coronal imaging were performed retrospectively. Results Most of the foci were located in cerebral parenchyma (97.2%), 95.7% cases had solitary focus. More thannine MR manifestations of cerebral parenchyma cysticercosis were seen and wo or more manifestations in one case were 54.3%. It was not difficult to make a diagrnosis with characteristic MR imaging such as socley, vesiculae, perifocal edema, calcification, et al . It could be good display in T 1 weight for cerebral cysticercosis locateel in encephaloceele and subarachnoid cavity. Conclusion Cerebral cysticercosis can be diagnosed quantitatively, qualitatively and levelly with MRI in spite of its complexity and polymorphism.