The left renal veins and gonadal veins have been then cannulated, and embolisation of your gonadal vein and varicocele was executed with metallic coils thus blocking it off. Microscopic varicocelectomy: This requires a urologist ligating (clamping or tying) all smaller veins via a 1cm incision higher than the scrotum, which https://sgvasculargrp.com/medical-condition/scrotal-pain-varicocele/