Classification of extracranial carotid artery pseudoaneurysms*
| Type | Morphology and anatomic location |
|---|---|
| I | Short aneurysm of ICA |
| II | Long aneurysm of ICA |
| III | Involving proximal ICA and carotid bifurcation |
| IV | Involving both ICA and CCA |
| V | Isolated to CCA |
*Scheme adapted from Attigah et al.11
CCA, common carotid artery; ICA, intracranial carotid artery.