T1-weighted coronal MRI with contrast. A large tumour is highlighted in the right posterior fossa and bilateral dilatation of the lateral ventricles is evident (likely secondary to compression of the 4th ventricle or Sylvian aqueduct). [Courtesy of Dr. J....
[Courtesy of Dr. W. Montanera]
Multiple views of post-contrast CT image of a pituitary adenoma. The saggital view demonstrates the transphenoidal approach for surgery. [Courtesy of Dr. J. Spears]
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....
