Hydrocephalus

Ventricular enlargement, periventricular lucency, narrow or absent sulci plus or minus fourth ventricular enlargement.

Abscess – 1

Right Frontoparietal Abscess [Courtesy of Dr. P. Porter]

Three D Angiograms

Image A: Arteriovenous malformation (AVM) Image B: Posterior communicating artery aneurysm [Courtesy of Dr. P. Porter]

Infarcts

Left Image: Left PCA Infarct Right Image: Old Large MCA Infarct