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
In which of the following infectious disease is testis involved but epidydimis is spared ? 
Select and explain. 
A. Syphilis, B. Gonorrhea, C. Chancroid, D. Chlamydia
A: Syphilis
Answer: A: Syphilis 
Explanation: 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