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A hydrocele occurs when fluid collects in the membranes surrounding the testes.
the swelling is a hydrocele of the cord
hydrocele may progress over the years
These membranes form a closed, fluid-lined sac, like a deflated balloon, that sometimes swells up to become a hydrocele .
Alternatively, they can be drained with a needle and syringe, although the sac of the hydrocele may fill with fluid again after a few months.
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