Post-contrast CT with multiple views showing a ring enhancing lesion with OTS reconstruction for surgery. [Courtesy of Dr. J. Spears]
Post-contrast CT with multiple views displaying a large olfactory meningioma expanding around the internal carotids and as far as the clivus. Note the mass effect displacing the corpus callosum superiorly and posteriorly and erosion of the anterior fossa floor....
Well-demarcated, homogeneous, extra-axial lesion. a) CT b) T1 weighted MRI (note that the tumour is isointense to the gray matter) c) T1 weighted MRI post contrast. [Courtesy of Dr. W. Montanera]
Post-contrast axial CT image showing a lung metastasis in the right hemisphere adjacent to the falx with surrouding edema and effacement of the sulci in the right hemisphere secondary to the mass effect. [Courtesy of Dr. J. Spears]
Large gliooma with midline shift and compression of sulci. [Courtesy of Dr. G. Olscamp]
