You should tell your doctor about any lumps or swelling in your testicles. He or she will have to examine your testicles and feel for the lumps — you may feel a.
You've heard of varicose veins — those swollen veins that sometimes show up in the legs. But you might never have heard of a varicocele, which is also a swelling of the veins. It's generally harmless and basically the same kind of thing as varicose veins in the legs.
But, it can be difficult for teenage boys to talk about their testicles or tell a parent if they are having pain. Boys need to know that any genital pain.