71 years Female (DOB:8/9/1944)Reason: eval known occipital tumor History: meningiomaPROVIDER/ATTENDING NAME: KRISTINA K GALLOW PETER C. WARNKE MRI of the brainThe patient is undergone left parietal craniotomy for removal of an extra-axial mass involving the superior sagittal sinus. The superior sagittal sinus is not present at the craniectomy site. There is redemonstration of a fluid collection at the craniectomy site.Since the prior exam the dural nodular thickening at the posterior aspect of the falx has increased. On axial it measures approximately 25mm width and on sagittal imaging it measures 53 x 24 mm it is stable compared to the 5/31/2016 exam.Within the brain parenchyma adjacent to the craniotomy site there is signal change within the subcortical white matter in a contiguous fashion which has not changed substantially since the prior exam and has not changed since the preoperative exam.Incidental note is made of partial empty sella.There is mild anterior subluxation of C1 on C2.Normal vascular flow voids are present in the distal carotid and vertebral arteries, the basilar artery and the proximal anterior, middle and posterior cerebral arteries as well as the internal cerebral veins.The visualized portions of the paranasal sinuses are clear. The visualized portions of the mastoid air cells demonstrate opacification of the right mastoid air cells. The visualized portions of the orbits are intact.MRV brain:There is no flow present along the posterior aspect of the superior sagittal sinus along the craniotomy site with the exception of a 3 cm segment proximal to the torcula.The dural venous sinuses with the exception of the superior sagittal sinus are patent. Straight sinus, internal cerebral veins and basal veins are identified and appear patent.
1.Since the prior exam from 5/31/2016 an extra-axial dural based mass involving the falx cerebri has not changed. Most likely this represents residual/recurrent meningioma.2.There is occlusion of the superior sagittal sinus along its posterior aspect at the tumor site.3.There is mild anterior subluxation of C1 on C2 which appears unchanged since the prior exam.4.T2 signal change centered within the subcortical white matter of the parietal lobes is stable when compared to the prior exam. It's possible that this represents edema.