MR Angiography of Extracranial Carotid and Vertebral Arteries

Behcet Extracranial Carotid Aneurysms: Is There Still a Role for Ligation?

“…Arterial phase bolus contrast enhanced MRA has rapidly evolved to the point where it is now the preferred method for cervical vascular evaluation. 25 Operative therapy, whether reconstruction or ligation, was recommended for all patients. Ligation can be performed safely only in the presence of adequate collateral circulation.…”