Katamevni

Brain herniations into dural venous sinuses (DVS) are rare findings recently described and their etiology and clinical significance are controversial We describe five patients with brain herniations into the DVS or calvarium identified on MRI, and discuss their imaging findings, possible causes, and relationship to the patient's symptomsCerebral Venous Thrombosis Radiology department of the Medical Centre Haaglanden in the Hague and the Rijnland hospital in Leiderdorp, the Netherlands Cerebral venous thrombosis is an important cause of stroke especially in children and young adults It is more common than previously thought and frequently missed on initialMar 01, 16 · Dural venous sinuses 3 Characteristic feature of dural venous sinuses • Lined by endothelium, no muscular coat & valveless • Collect blood from brain,meninges, orbit,internal ear & diploe • Connected to valveless emissary veins to maintain the internal & external venous pressure • Projection of arachnoid gr