This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: Blood Vessels, Subject name: Pathology
A 20 years old girl presented with low-grade fever, malaise, night sweats, weight loss, arthralgia and fatigue for 1 month. On examination peripheral pulses are weak in upper extrimities and bruit is present on carotid and subclavian artery. On investigating the child there was dilatation of proximal aorta. Most likely diagnosis is? 
Select and explain. 
A. Polyarteritis nodosa, B. Temporal arteritis, C. Takayasu's arteritis, D. Kawasaki's disease
C: Takayasu's arteritis
Answer: C: Takayasu's arteritis 
Explanation: Ans. is 'c' i.e., Takayasu's arteritis Points in favour of diagnosis are:* 20 years old girl (more common in Adolescent girls and young women)* Systemic symptoms (low-grade fever, malaise, night sweats, weight loss, arthralgia and fatigue)* Weak peripheral pulses in upper extrimities* Bruit is present on carotid and subclavian artery* Dilatation of proximal aorta* Takayasu arteritis has been explained