Varicocele embolization is a type of medical procedure. It diverts blood away from an enlarged vein in your scrotum. Such a vein is called a varicocele. It can cause pain, infertility, and swelling. A radiologist uses a coil or special agents to block (or embolize) the vein. This can help improve symptoms.
Vasectomy is surgery a man may choose if he does not want to father any more children. It's permanent male birth control.