Bilateral basal ganglia abnormal signal intensity on MR and CT scans. The route deep venous thrombosis. 3D MRV brain pre and post-gadolinium with maximum intensity projections of the superficial/deep intracranial venous drainage demonstrate normal flow enhancement in the superior sagittal sinus, transverse sinuses, sigmoid sinuses, internal cerebral veins, vein of Galen and straight sinus.Due to limitation of resolution, localized cortical venous thrombosis or localized deep venous thrombosis cannot be evaluated with MR venogram alone.
No evidence of venous sinus thrombosis. 