The MRI with routine SE sequence T 1 ,T 2 weighted showed high intensity signals inside the thrombosed sinuses, cerebral edema, hemorrhage or infarction and abnormal enhancement of the dura mater with gadolinium injection.

• MRI常规SE序列T1、T2加权示窦内高信号，脑实质水肿或合并出血、梗死，强化后显示闭塞静脉窦附近硬脑膜异常强化；