This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: Testis and scrotum, Subject name: Surgery
In varicocele surgery, venous drainage is done by: 
Select and explain. 
A. IVC, B. Aoa, C. Superior epigastric vein, D. Cremasteric vein
D: Cremasteric vein
Answer: D: Cremasteric vein 
Explanation: Treatment* High inguinal ligation (near deep ring) of pampiniform plexus of veins* Microvascular sub inguinal ligation (best results)* Palomo's operation: ligation of Left Gonadal Vein in retroperitoneum * Alternative venous drainage cremasteric veins