Ventricular enlargement, periventricular lucency, narrow or absent sulci plus or minus fourth ventricular enlargement.
Right Frontoparietal Abscess [Courtesy of Dr. P. Porter]
Image A: Arteriovenous malformation (AVM) Image B: Posterior communicating artery aneurysm [Courtesy of Dr. P. Porter]
Angiograms showing severe internal carotid stenosis. [Courtesy of Dr. J. Spears]
Left Image: Left PCA Infarct Right Image: Old Large MCA Infarct