This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: None, Subject name: Skin
A young boy has a single scaly, hypo anaesthetic patch over Hand plus thickened ulnar nerve, diagnosis is: 
Select and explain. 
A. Tuberculoid leprosy, B. Lepromatous leprosy, C. Indeterminate, D. Borderline
A: Tuberculoid leprosy
Answer: A: Tuberculoid leprosy 
Explanation: Tuberculoid leprosy