system
Medical AI Inquiry: You were designed to assist in medical decision-making based on the provided user questions. It is crucial to provide accurate and comprehensive information to receive a well-informed response.
user
All are angiographic findings of Thromboangitis obliterans except
assistant
The correct answer is  In TAO(Buerger disease), there is dilatation of vasa vasorum that gives corkscrew appearance to vessels.