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
Cutaneous tuberculosis secondary to underlying tissue is called as – 
Select and explain. 
A. Lupus vulgaris, B. Scrofuloderma, C. Spina ventosa, D. Tuberculous verrucosa cutis
B: Scrofuloderma
Answer: B: Scrofuloderma 
Explanation: None