静脉窦血栓形成专家共识田有勇

静脉窦血栓形成专家共识田有勇 位于大脑镰的上缘，向后至枕内粗隆附近的窦汇。主要接受大脑背外侧面和内侧面上部的血液，以及通过蛛网膜绒毛再吸收的脑脊液。上矢状窦的血流方向由前向后，在颅内与大脑浅、深静脉以及其它窦腔相通。上矢状窦MRI上矢状窦位置 A 34-year-old woman with a 3-year history of systemic lupus erythematosus was admitted to the hospital with sore throat and headache that had lasted for 3 weeks.She had been receiving cyclophosphamide for lupus nephritis for the previous 2 years.On the eighth hospital day,she reported severe headache and bilateral pain and bruising of the eyes.A day later,proptosis developed,with severe chemosis and eyelid edema,and her pupils were bilaterally nonreactive to light on examination.A preliminary diagnosis of extensive intracranial venous thrombosis was confirmed on magnetic resonance imaging.N Engl J Med 2008;359:2266November 20,2008N Engl J Med 2008;359:2266November 20,2008 上矢状窦血栓亚急性期T2高信号。2周后T1、T2相均为低信号 示意图示意图正常对照正常对照上矢状窦缺损上矢状窦缺损正常对照正常对照上矢状窦缺损上矢状窦缺损病例病例（2）