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
[{'content': 'Which of the following is true regarding tuberculous lymphadenitis: March 2005 \nSelect and explain. \nA. History of contact with TB patient may be present, B. Commonly seen in the young and children, C. Mostly in the cervical region, D. All of the above', 'role': 'user'}, {'content': 'Answer: D \nExplanation: Ans. D: All of the above Tuberculous lymphadenitis/ tuberculous adenitis is a chronic specific granulomatous inflammation with caseation necrosis of the lymph node. The characteristic morphological element is the tuberculous granuloma (caseating tubercule): giant multinucleated cells (Langhans cells), surrounded by epithelioid cells aggregates, T cell lymphocytes and few fibroblasts. Granulomatous tubercules evolve to central caseous necrosis and tend to become confluent, replacing the lymphoid tissue.', 'role': 'assistant'}]