Scrotal lymphedema occurs when you have a blockage in the lymphatic vessels in your scrotum. Your scrotum is the sac beneath your penis that holds your testicles, which make sperm. Scrotal lymphedema ...

A hydrocele is a condition involving swelling of the scrotum from fluid accumulation that sometimes occurs at birth. It usually affects just one testicle, but a hydrocele can be present on both sides.