This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: Mycobacterial Infections, Subject name: Dental
[{'content': 'Which of the following presents as a cutaneous vasculitis in patients with lepromatous leprosy? \nSelect and explain. \nA. Lepra type I reaction, B. Lepra type II reaction, C. Lucio phenomenon, D. Reversal phenomenon', 'role': 'user'}, {'content': 'Answer: C \nExplanation: Lucio phenomenon Lucio phenomenon is a cutaneous vasculitis in patients with lepromatous leprosy and tends to affect people who have not taken their medication regularly. Lucio phenomenon presents as odd-shaped red patches and ulcers on hands, wrists, ankles and feet. It is associated with fever, ahritis, liver and kidney disease.', 'role': 'assistant'}]