Arteriovenous Malformations

  Four Types of Intracranial vascular malformations Arteriovenous malformations Capillary telangiectasias Cavernous angiomas Venous angiomas Introduction AVM are rare, complex vascular structures that can occur within the parenchyma (ie pial malformations), dura, or both. Most commonly patients present with seizures or symptoms resulting from seizures.. Epidemiology: 0.005-0.6% in the general population Most commonly present between 20-40yo (Mean 31.2yo) ¼ hemorrhage …

Joseph MillerArteriovenous Malformations

Pterional craniotomy for Posterior Communicating Artery Aneurysm

  Introduction- The posterior communicating artery aneurysm is an aneurysm that neurosurgeons are very familiar with but as Dr. Lawton warns “it’s not just a PComm”. This aneurysm needs to be taken seriously and approached thoughtfully Anatomy- The posterior communicating artery (PComm) originates from the posterior wall of the internal carotid artery (ICA) and divides the carotid into ophthalmic and …

Joseph MillerPterional craniotomy for Posterior Communicating Artery Aneurysm