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Microsurgical varicocelectomy is the most commonly used method for the treatment of varicocele (VC) in recent years. However, it is technically demanding with the risk of damaging the normal anatomical structure of the spermatic cord, such as the cremaster muscle, testicular artery, and vas deferens during the pampiniform plexus ligation. Also, traditional varicocelectomy hinders the drainage of the stagnant venous blood of the affected testicle, resulting in a persistent scrotal appearance of varicose veins and slower remission of swelling sensation in postoperative patients with grade III VC. Therefore, we developed a retroperitoneal varicocelectomy with a microscopical spermatic venous-superficial vein of the abdominal wall bypass procedure. The spermatic vein was transected and ligated proximally through the retroperitoneal space. Then, the distal spermatic vein was freed and passed through the internal ring; under the skin of the groin, a microscopic vascular anastomosis was performed to build the bypass of the distal spermatic vein and proximal inferior epigastric vein. The high ligation facilitates the protection of the normal anatomy of the spermatic cord, and the venous bypass allows rapid testicular blood drainage, which can effectively improve the degree of varicocele, testicular pain, and even spermatogenic function. In conclusion, the present protocol describes a promising way to reconstruct the spermatic return through high retroperitoneal ligation of the spermatic vein and anastomosis of the spermatic vein-inferior epigastric vein, which resulted in faster and more obvious improvement in symptoms and better prognosis of grade III VC.
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