Preoperative planning for tumor biopsy/resection. There is an ill-defined lesion centered in the right middle frontal gyrus with associated leptomeningeal and dural involvement. There is associated vasogenic edema as well, although this is incompletely characterized. In addition, there is predominantly leptomeningeal enhancement along the anterior frontal convexity with associated thickening of the overlying dura and underlying vasogenic edema. The ventricles are unchanged in size and configuration. Skin fiducial markers are present.
Preoperative planning MRI demonstrates a right frontal lobe lesions with predominantly leptomeningeal and dural involvement.