Aneurysm

Posterior Communicating Aneurysm
Retractor is indicating junction between arterial and venous blood. (Courtesy of Dr. P. Porter)

Basilar Artery Aneurysm
Angiograms of Basilar Artery Aneurysm Clipped (Courtesy of Dr. P. Porter)

Basilar Artery Aneurysm
Angiogram of Basilar Artery Aneurysm (Courtesy of Dr. P. Porter)

3-D Angiogram – Arteriovenous malformation (AVM). (Courtesy of Dr. P. Porter)