Children's Hospital Colorado

Inguinal Hernia and Hydrocele

What is a hernia or hydrocele?

A hernia or a hydrocele is typically characterized by intermittent swelling of the scrotum that may extend into the groin.

If the opening is small, only fluid can pass through, and this is called a hydrocele. However, if the opening is large enough, a part of the intestine can move into the hernia sac and is called a hernia.

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What causes a hernia or hydrocele?

During normal pre-birth development, the testis descends though the groin into the scrotum, bringing with it part of the lining of the abdomen. This tube-like communication between the abdomen and the scrotum usually closes off by the time a child is born. If the communication does not close off, fluid is free to move back and forth from the abdomen into the scrotum – this is called a communicating hydrocele or an inguinal hernia.

Who gets hernias or hydroceles?

Approximately 1% to 3% of children are diagnosed with a communicating hydrocele or an inguinal hernia, with a higher incidence in premature and low birth weight infants.

What are the signs and symptoms of a hernia or hydrocele?

A non-communicating hydrocele usually causes scrotal swelling that gradually decreases in size. A communicating hydrocele, or inguinal hernia, usually causes intermittent swelling of the scrotum that may extend into the groin. This is usually most noticeable when the child is crying or having a bowel movement, or at the end of the day.

A hydrocele does not typically cause any pain or problems. These conditions are usually identified shortly after birth. However, a communicating hydrocele, or inguinal hernia, may present later in life following periods of increased straining. Signs or symptoms of a communicating hydrocele, or inguinal hernia, should prompt further evaluation by a pediatric urologist.

An incarcerated inguinal hernia usually presents with a firm mass within the groin that may extend into the scrotum, it occurs when bowel gets stuck in the hernia sac. It is usually tender to the touch, and may be associated with nausea and vomiting or a change in bowel habits. This is an emergency and should be addressed immediately.

What tests are used to diagnose a hernia or hydrocele?

Occasionally, a scrotal ultrasound is obtained to confirm the diagnosis.

How do doctors at Children's Hospital Colorado make a diagnosis?

A medical history will be taken and a physical examination will be performed to diagnose these conditions. Usually, this is all that is needed to make the diagnosis, as both a hernia and hydrocele have a very typical appearance.

How is a hernia or hydrocele treated?

A hydrocele is usually observed during the first year and will often go away on its own. If it persists, surgical correction may be necessary.

An inguinal hernia is treated surgically. A small incision is made in the groin, through which the surgeon ties off the hernia sac with a suture. If the fluid around the testis does not decompress, the testis is delivered through the incision and the fluid-filled sac around the testis – a non-communicating hydrocele – is opened. The testis is then returned to the scrotum and the incision is closed.

Why choose Children's Colorado for your child's hernia or hydrocele treatment?

The pediatric surgeons and pediatric urologists at Children's Colorado have significant experience in diagnosing and treating hernias and hydroceles. We understand the difference between a hydrocele and a hernia and when they need to be corrected. We work in a specialized environment specifically designed for children, with the purpose of minimizing any fear or discomfort they may have.

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