A spermatocele is a benign, usually painless sac or cyst on the epididymis, which sits above or behind the testicles. Learn about the causes, diagnosis, and treatment of these growths.

Spermatocele. This is commonly ... A hydrocele forms in adults due to infection, injury, ... Treatment depends on the cause of the scrotal mass. In some cases, you may not need much treatment.

It doesn’t cause any pain, but you can feel a spermatocele as a tiny, firm lump underneath the skin of the scrotum. Spermatoceles are harmless and can’t become cancerous.