“…To date we have identified twenty-seven patients where a chronic or primary aneurysm of the extracranial circulation was treated, 5 , 7 , 9 – 15 , 17 , 20 – 29 twelve of which were not associated with a connective tissue disorder ( Table 1 ), acute traumatic aneurysms were not reviewed. Nine of these cases were treated with endovascular techniques 7 , 14 , 16 , 21 , 24 – 27 , 30 whilst the remainder underwent surgical resection with additional reconstruction or bypass.…”