Carotid Artery Aneurysm Treatment Using CGuard Divert-And-Heal Strategy

General Inclusion Criteria: * Patients older than 18 years, eligible for endovascular carotid artery aneurysm treatment with Micronet covered stent per Vascular Team evaluation, according to local standards * Written, informed consent to participate * Agreement to attend protocol required (standard) follow up visits and examinations Exclusion Criteria: * Preferred treatment other than stenting (surgery or conservative treatment / observation) per Vascular Team evaluation * Life expectancy \<1 year (e.g. active neoplastic disease). * Chronic kidney disease with creatinine \> 3.0 mg/dL. * Myocardial infarction in 72 hours proceeding the stenting procedure (if possible, postponing the procedure) * Pregnancy (positive pregnancy test) * Coagulopathy. * History of uncontrolled contrast media intolerance Angiographic Inclusion Criteria: * Carotid artery aneurysm confirmed on angiography - symptomatic, dissected or enlarging * Aneurysm eligible for endovascular treatment per Vascular Team evaluation (according to current standards, guidelines and study center practice) Exclusion Criteria: * Unsuccessful true lumen engagement * Aneurysm neck anatomy precluding healthy-to-healthy coverage with stent * Anatomic variants precluding stent implantation * Mobile (free-floating) plaque elements in aorta or arteries proximal to target lesion