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KEY POINTS
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A spermatocele is a small fluid-filled sac (cyst) in the scrotal sac near the testicle. The cyst may have whitish fluid that contains sperm. The testicles are in a sac of loose skin, called the scrotum or scrotal sac, which is below and behind the penis. The testicles and scrotum are part of the male reproductive organs.
A spermatocele is also called a spermatic cyst.
The cause of a spermatocele is not always known. It may be caused by a blockage in the tube (epididymis) that stores and carries sperm from the testicles to the penis. It can also happen after an injury to the testicles.
A spermatocele may be found in adolescent boys during a routine exam. Your child may feel swelling or heaviness in his scrotum, though it is usually not painful.
Your child’s healthcare provider will examine your child at regular office visits. His healthcare provider will ask about his symptoms and medical history and examine him. Tests may include an ultrasound, which uses sound waves to show pictures of and blood flow to the testicles.
Often your child will not need treatment for a spermatocele. If it is painful or large, treatment may include:
Talk to your child’s healthcare provider about which treatment is best for your child.
Follow the full course of treatment prescribed by your child’s healthcare provider. Ask your child’s provider:
Make sure you know when your child should come back for a checkup.