OTS Reconstructions
Post-contrast CT with multiple views showing a ring enhancing lesion with OTS reconstruction for surgery. [Courtesy of Dr. J. Spears]
Olfactory Groove Meningioma
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. [Courtesy of Dr. J. Spears]
Meningioma
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]
Lung Metastasis
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]
Intracranial Mass
Large gliooma with midline shift and compression of sulci. [Courtesy of Dr. G. Olscamp]
Glioblastoma Multiforme
T2 Weighted Image of a Glioblastoma Multiforme. Large heterogeneous mass with irregular borders and associated hemorrhage [Courtesy of Dr. W. Montanera]
Skull Fracture
This is a lateral projection of the skull of a patient with a history of right leg weakness after a fall. Notice the fracture of the left parietal bone.
Perched Facet
Image A: Axial CT displaying a perched facet.
Image B: Coronal reconstruction of CT displaying a perched facet.
Image C: Sagittal reconstruction of CT displaying a perched facet.
[Courtesy of Dr. J. Spears]
Odontoid Fracture
Image A: Non-united type 2 odontoid fracture (left) and odontoid view (right).
Image B: Odontoid view. Examine the dens for fracture.
Jumped Facet
Axial CT (left) with a right “naked” facet. This CT shows a normal articulating surface with both facets facing each other on the left and a jumped facet on the right. Sagittal CT (right) showing a jumped facet. [Courtesy of Dr. J. Spears]
