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': 'In which of the following infectious disease is testis involved but epidydimis is spared ? \nSelect and explain. \nA. Syphilis, B. Gonorrhea, C. Chancroid, D. Chlamydia', 'role': 'user'}, {'content': 'Answer: A \nExplanation: In congenital syphilis, testicular enlargement is present at bih, whereas in aquired form testis is involved in teiary syphilis. Causes of Epidydimitis: *Chlamydia trachomatis *Neisseria gonorrhoeae *E. coli *Ureaplasma *Mycobacterium *Cytomegalovirus *Cryptococcus', 'role': 'assistant'}]