Disorder of brain, unspecified [G93.9], Reason for Study: ^Reason: preoperative eval, mri under anesthesia History: preoperative eval, mri under anesthesia Multiple fiducial markers attached on the scalp for the preparation of image guided surgical planning.Redemonstration of right parietal craniotomy with right high parietal resection cavity with diffuse infiltrative intra axial mass and focal enhancing lesions especially mesial anterior aspect of the resection cavity, unchanged since prior scan.Surrounding edema which effacing right lateral ventricle is again seen, unchanged.There are new enhancing lesions on the right side midbrain.Mass effects with midline shift toward left side is again seen, unchanged.
Preoperative MR scan with contrast enhancement shows new development of nodular enhancement on the right side midbrain.Diffuse infiltrative intraaxial lesion with focal enhancement as well as prior resection status of the right parietal lobe are seen, unchanged since prior scan.