Aneurysms in the Circle of Willis

Left Image: MCA aneurysm. Cerebral angiogram showing middle cerebral artery aneurym. Centre Image: Anterior communicating artery aneurysm. Oblique view of cerebral angiogram showing an anterior communicating artery aneurtsm (on left of image). Right Image: Clipped MCA...

Subarachnoid Hematoma

Image A. Axial CT image with blood filling the suprasellar cistern, ambient cisterns, interhemispheric fissure, and sylvian fissures in the classic star pattern. Image B. Subarachnoid hemorrhage and aneurysm. Axial non-contrast CT image showing a SAH and right MCA...

Epidural Hematoma

Right high density biconvex mass, usually uniform density and sharp margins.