Percutaneous radiological treatment of varicocele is a minimally invasive technique, which is well tolerated by patients and able to significantly improve seminal parameters. The principal technical limitation to percutaneous treatment is related to difficult selective catheterisation of the spermatic vein due to anatomic alterations, spasms and intimal dissection of the vein. Moreover, when the cremasteric vein is incontinent, inguinal surgical ligation provides better results. In the majority of cases, administration of at least 3 ml sclerosing agent at 3% ensures occlusion of the gonadic vein above the abdominal collaterals, which are responsible for long-term recurrence if not treated. In the remaining cases, absolute alcohol and metallic coils can be used to complete the treatment. The positive results in seminal parameters do not, however, allow for reliable assessment of patients' fertility. Finally, we believe that radiological procedures are not indicated or justified when prolonged catheterisation with elevated gonadic irradiation is needed.

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Robot-assisted laparoscopic surgery (RALS) has been proven to be safe and effective for various urological procedures in children, including pyeloplasty, orchiopexy, nephrectomy, and bladder augmentation. The robot system enables delicate and precise movements, which are ideal for the types of reconstructive surgeries that children with urological issues often require, overcoming many of the impediments associated with the conventional laparoscopic approach. RALS helps the relative novice to perform fine surgical techniques and is thought to reduce the learning curve associated with some surgical techniques, such as intracorporeal suturing, owing to the improved freedom of movement of the surgical instruments, the ergonomic positioning of the surgeon, and the 3D vision provided by the robotic system. Given the favourable safety profile and associated benefits of the robot system, including reductions in mean postoperative hospital stay compared with conventional procedures, RALS is becoming more widely adopted by paediatric urologists.