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: Surgery
Subcapsular orchiectomy is done for 
Select and explain. 
A. Ca testis, B. Ca prostate, C. Ca penis, D. Ca urethra
B: Ca prostate
Answer: B: Ca prostate 
Explanation: Orchidectomy Orchidectomy is performed in advanced disease. In 1941, prostate cancer was shown to be responsive to such treatment by Charles Huggins, the only urologist to win a Nobel Prize. Bilateral orchidectomy, whether total or subcapsular, will eliminate the major source of testosterone production. Ref: Bailey and love 27th edition Pgno : 1474