Fig. 2From: Impact of percutaneous embolization versus subinguinal microsurgical ligation on semen parameters in primary varicocele patients: comparative studyLeft varicocele embolization with histoacryl. Histoacryl injection is done during the Valsalva maneuver with external compression. Multiple collateral channels are shown, with filling of collateral channels with histoacryl/lipiodol as the catheter was withdrawn (a, b)Back to article page