Fluid from the peritoneum enters the canal and the scrotum, causing swelling of the scrotum .
Hydroceles often occur with inguinal hernias.
Hydrocele repair is recommended for hydrocele persisting past the first 6 to 12 months of life. The long-term prognosis is excellent. The surgery is done on an outpatient basis with prompt recovery expected. The child should be encourage to rest at intervals for the first few postoperative days. He should be able to return to normal activity within about 4 to 7 days.