Hydrocele is caused by fluid around the testicles, often in babies but it can happen to adults. Varicocele is caused by ...

Not all swellings are fluid-related. A spermatocele is a benign cyst that forms in the epididymis and can feel like a lump ...

Dear R.H.: It sounds like you have a large hydrocele, a collection of fluid around the testicle, surrounding the testis and spermatic cord. Normally these are small, but in some men they can become ...