The left renal veins and gonadal veins were being then cannulated, and embolisation from the gonadal vein and varicocele was done with metallic coils So blocking it off. Microscopic varicocelectomy: This will involve a urologist ligating (clamping or tying) all little veins via a 1cm incision earlier mentioned the scrotum, https://sgvasculargrp.com/medical-condition/scrotal-pain-varicocele/