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': "Thymus gland abscess seen in congenital syphilis is called as \nSelect and explain. \nA. Fouchier’s abscess, B. Politzeri abscess, C. Douglas abscess, D. Dubois' abscess", 'role': 'user'}, {'content': 'Answer: D \nExplanation: Abscesses of the thymus gland were first described by Dubois in 1850 as a product of congenital syphilis. Chiari believed that the Dubois abscess was a cyst formed by the thymus tissue invading Hassall\'s corpuscles, the result of pronounced syphilitic changes.\nKey Concept:\nAn abscess of the thymus (also known as "Dubois\' abscess") is a condition that is one of many possible causes of cysts in the mediastinum. It can present with chest pain behind the sternum. It can be associated with congenital syphilis.', 'role': 'assistant'}]