This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: Vascular surgery, Subject name: Surgery
Which of the following is true about varicocele except ? 
Select and explain. 
A. Incompetent valves of testicular vein are responsible for varicocele, B. 90% are on the left side, C. Asymptomatic cases require surgery, D. Femoral catheterization with spermatic vien ablation is done in recurrence
C: Asymptomatic cases require surgery
Answer: C: Asymptomatic cases require surgery 
Explanation: . In case of varicocele indications for surgery are pain and oligospermia and asymptomatic cases are not indicated for surgery. surgeries for variccele includes: -palomo's operation. -Inguinal approach . -subinguinal approach. -scroatal approach. -laproscopic approach. Refer page no 1077 of SRB's manual of surgery 5 th edition