Reason: headache History: headache. Intractable headache, pregnant, concern for venous sinus thrombosis. MRI Brain:The ventricles and sulci are normal in size. The cerebellar tonsils are in normal position. There are no masses, mass effect or midline shift. The pituitary gland is normal in size. There is no evidence for intracranial hemorrhage or acute cerebral, brainstem or cerebellar infarction. No diffusion-weighted abnormalities are identified. There are no extraaxial fluid collections or subdural hematomas. Flow voids are present within the major vessels indicating patency.MRV Brain:There is normal venous flow demonstrated within the internal cerebral veins, vein of Galen, straight sinus, superior sagittal sinus and within the bilateral transverse and sigmoid sinuses. No dural venous sinus thromboses or occlusions are identified.
Normal MRI brain. No evidence of dural sinus thrombosis. 