This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: Cardiovascular Radiology, Subject name: Radiology
Digital subtraction Angiography of a 35 year old smoker is given. What is the possible diagnosis? 
Select and explain. 
A. Atherosclerosis, B. Buergers disease, C. Takayasus Aeritis, D. Kawasakis Disease
B: Buergers disease
Answer: B: Buergers disease 
Explanation: *Corkscrew appearance of vessels on Angiography- It is the angiographic hallmark of Buergers disease. *Represents collaterals around areas of occlusion *Most often seen at wrist & ankles in more than one limb , sparing the larger vessels. Buergers Disease-Cork Screw Appearance on Angiography