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: Surgery
Cold abscess is related to 
Select and explain. 
A. Periapical pathology, B. Mycobacterium tuberculosis, C. Streptococcus viridans, D. None of the above
B: Mycobacterium tuberculosis
Answer: B: Mycobacterium tuberculosis 
Explanation: None