Lumps and swellings in the testicles (balls) are relatively common in boys, men and anyone with testicles. It’s important to know what’s normal for you so you can notice any changes in your testicles. When to get medical advice Go to A&E immediately or phone 999 if you have any of these symptoms: • sudden, severe pain in a testicle

Lumps or swelling on your testicles (scrotal masses) are usually benign. But in rare cases, they may be a sign of cancer. They can also be a sign of other conditions, including an infection, hernia or swollen vein. A healthcare provider should examine your scrotum and testicles and order tests to determine the cause of any lumps or swelling.