Superior Sagittal Sinus Thrombosis

  • Etiology: risk factors – hypercoaguability, contraceptives, dehydration, collagen vascular disease, lumbar puncture
  • CT: cord sign – hyperdense cord on non-contrast CT along thrombosed dural sinus
  • MRI: T1 hyperintense thrombus in superior sagittal sinus with empty delta on contrast enhanced
  • Imaging: cortical vein thrombosis – thrombus forms central to peripheral, deep dural sinus thrombosis gets bithalamic edema / hemorrhage

Cases of Superior Sagittal Sinus Thrombosis