This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: All India exam, Subject name: Physiology
Which of the following is a type of cutaneous tuberculosis? 
Select and explain. 
A. Pemphigus vulgaris, B. Scrofuloderma, C. Lupus pernio, D. Lupus panniculitis
B: Scrofuloderma
Answer: B: Scrofuloderma 
Explanation: Scrofuloderma is a type of cutaneous tuberculosis involving formation of sinuses and scarring. The most common site is cervical region.