Oligodendroglioma, WHO grade II, pre-treatment planning. There are postoperative findings related to left transfrontal biopsy of an infiltrative T2 hyperintense left insular mass, which measures up to approximately 3 cm. The ventricles and other cerebrospinal fluid spaces are unchanged in size and configuration, including a cystic septum pellucidum and vergae. There is no midline shift or herniation. The major cerebral flow voids are intact. There are skin fiducial markers in position.
Pre-treatment planning MRI for a left insular oligodendroglioma, with skin fiducial markers present.