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: Dental
A 35 years old male came with a progressive plaque over buttock for the last 2 years.The plaque is annular in shape with scarring in centre. Most likely diagnosis is: 
Select and explain. 
A. Tinea corporis, B. Lupus vulgaris, C. Borderline leprosy, D. Kala azar
B: Lupus vulgaris
Answer: B: Lupus vulgaris 
Explanation: Annular plaque, progressive in nature with typical central scarring suggest of lupus vulgaris.
Central clearing : Tinea corporis
Central crusting : Kala azar