Keywords dynamic CT cisternography;subdural effusion;CT value;pathogenesis;classification;arachnoid cyst;treatment;CSF dynamics;diagnostic value;clinical application;

• 脑池造影CT动态扫描;硬脑膜下积液;CT值;发病机理;分型;蛛网膜囊肿;治疗;脑池造影计算机断层动态扫描;脑脊液动力学;诊断价值;临床应用;