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: Medicine
Prophylactic gonadectomy is done in: 
Select and explain. 
A. Klinefelter’s syndrome, B. Testicular feminising syndrome, C. Kalaman’s syndrome, D. Down’s syndrome
B: Testicular feminising syndrome
Answer: B: Testicular feminising syndrome 
Explanation: In testicular feminizing, syndrome the testes are undescended (in fact there are no scrotal sacs).
As in all forms of cryptorchidism, the major complication of undescended testes is the development of tumors, so prophylactic gonadectomy is done to prevent testicular cancer.
But gonadectomy is delayed until puberty so that the patient may undergo proper feminine development