A hydrocele is a painless buildup of fluid around one or both testicles that causes the scrotum or groin area to swell. While the swelling may be unsightly or uncomfortable, it is not painful.
Hydroceles may be present at birth (congenital) or may develop after birth (acquired). Congenital hydroceles, which occur in about 1% to 2% of male newborns, usually disappear during the first year of life. Acquired hydroceles may be caused by an injury to the groin area or the cause may be unknown. An acquired hydrocele can occur at any age but is most common in men older than 40.
If a hydrocele stays the same size or gets smaller as the body reabsorbs the fluid, generally no treatment is needed. If the hydrocele varies in size or gets bigger and becomes uncomfortable, surgery may be needed to remove the fluid.
Peter Anderson, MD, FRCS(C) - Pediatric Urology
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