A 35 year old female presented with history of multiple transient ischemic attacks. The Given Carotid angiogram is suggestive of

Beaded or toous appearance of internal carotid aery Fibromuscular dysplasia Characterised by an idiopathic, non-inflammatory,non-atherosclerotic angiopathy of small and medium-sized aeries. More common in young women, typically diagnosed between the ages of 30 and 50 DSA is the gold standard. The characteristic findings alternating stenosis and dilatations, causing a String of beads appearance.