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
An 18 years old boy presents with digital gangrene in third and fourth finger for last 2 weeks. On examination the blood pressure is 170/110 mm of Hg and all peripheral pulses were palpable. Blood and urine examinations were unremarkable. Antinuclear antibodies, Antibody to double standard DNA and antineutrophil cytoplasmic antibody were negative. The most likely diagnosis is -
assistant
The correct answer is  None