Final answer:
A hydrocele repair is the surgical removal of a fluid-filled sac around the testicle causing scrotal swelling.
Step-by-step explanation:
The surgical removal of a fluid-filled sac around the testicle causing scrotal swelling is known as a hydrocele repair.
A hydrocele is a common condition where fluid accumulates in the sac-like structure around the testicle, causing scrotal swelling. The surgery involves draining the fluid and repairing the sac to prevent further accumulation. It is a relatively straightforward procedure and is typically done on an outpatient basis.