A 35 year old female presented with history of multiple transient ischemic attacks. The Given Carotid angiogram is suggestive of: (A) Atherosclerosis, (B) Fibromuscular dysplasia, (C) Thrombosis, (D) Carotid dissection
Answer is B. 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.