Varicoceles, a common cause of infertility in men, are generated from incompetent or inadequate valves within the veins along the spermatic cord. The abnormal valves obstruct normal blood flow, resulting in a backup of blood and enlargement of the veins. Varicoceles usually develop slowly and have no symptoms. 

The main technique for treating a varicocele is called internal spermatic venography and embolization. This radiological procedure involves plugging the affected vein with a coil. It is similar to a needle puncture to draw blood, requiring only a local anesthetic. Both the right and left sides can be fixed through one puncture. You can return to normal activities within 48 hours after the procedure. Correction of the varicocele frequently improves the likelihood of pregnancy.

To learn more about varicocele and varicocele embolization, visit Penn Interventional Radiology.

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