OVERVIEW Varicoceles are an enlargement of the veins in your spermatic cord, which holds your testicles in place. A varicocele is an enlargement of the veins in your spermatic cord. Varicoceles don’t usually have symptoms, but may feel like spaghetti or cause dull pain in the affected area. What is a varicocele? A varicocele (VAIR-ick-oh-seal) is a common disorder that enlarges the veins in your scrotum. Your scrotum is the pouch of skin behind your penis that typically contains your testes (testicles). Varicoceles are similar to varicose veins. Varicose veins cause veins in your legs to swell and lose their shape. Varicoceles are usually painless but can sometimes cause testicular pain, which may come and go. In some people, a varicocele may cause infertility. If a varicocele doesn’t bother you, you may not need treatment.