This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: Urology, Subject name: Anatomy
T.B. testis first affects 
Select and explain. 
A. Vas, B. Epididymis, C. Body of testis, D. Tunica vaginalis
B: Epididymis
Answer: B: Epididymis 
Explanation: The disease first affects the epididymis. The body of testis may remain uninvolved for years, but the contra lateral epididymis often becomes diseased. Treatment is - ATT if ds. does not resolve, epididymectomy or orchidectomy is indicated. Ref : Bailey & Love 25/e p1383