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Condition

Hydrocele

Symptoms, Doctors, Treatments, Research & More

Condition 101

What is the definition of Hydrocele?

A hydrocele is a fluid-filled sac in the scrotum.

What are the alternative names for Hydrocele?

Processus vaginalis; Patent processus vaginalis

What are the causes for Hydrocele?

Hydroceles are common in newborn infants.

During a baby's development in the womb, the testicles descend from the abdomen through a tube into the scrotum. Hydroceles occur when this tube does not close. Fluid drains from the abdomen through the open tube and gets trapped in the scrotum. This causes the scrotum to swell.

Most hydroceles go away a few months after birth. Sometimes, a hydrocele may occur with an inguinal hernia.

Hydroceles may also be caused by:

  • Buildup of the normal fluid around the testicle. This may occur because the body makes too much of the fluid or it does not drain well. (This type of hydrocele is more common in older men.)
  • Swelling or injury of the testicle or epididymis

What are the symptoms for Hydrocele?

The main symptom is a painless, round-oval shaped swollen scrotum, which feels like a water balloon. A hydrocele may occur on one or both sides. However, the right side is more commonly involved.

What are the current treatments for Hydrocele?

Hydroceles are not harmful most of the time. They are treated only when they cause infection or discomfort.

Hydroceles from an inguinal hernia should be fixed with surgery as soon as possible. Hydroceles that do not go away on their own after a few months may need surgery. A surgical procedure called a hydrocelectomy (removal of sac lining) is often done to correct the problem. Needle drainage is an option but the fluid will come back.

What is the outlook (prognosis) for Hydrocele?

Simple hydroceles in children often go away without surgery. In adults, hydroceles usually do not go away on their own. If surgery is needed, it is an easy procedure with very good outcomes. After surgery, a hydrocele can sometimes reoccur.

What are the possible complications for Hydrocele?

Risks from hydrocele surgery may include:

  • Blood clots
  • Infection
  • Injury to the scrotum
  • Loss of the testicle
  • Long-term (chronic) pain
  • Continuous swelling

When should I contact a medical professional for Hydrocele?

Call your provider if you have symptoms of hydrocele. It is important to rule out other causes of a testicular lump.

Pain in the scrotum or testicles is an emergency. If you have pain and your scrotum is enlarged, seek medical help right away to prevent the loss of the testicle.

Male
Hydrocele

REFERENCES

Aiken JJ. Inguinal hernias. In: Kliegman RM, St. Geme JW, Blum NJ, Shah SS, Tasker RC, Wilson KM, eds. Nelson Textbook of Pediatrics. 21st ed. Philadelphia, PA: Elsevier; 2020:chap 373.

Elder JS. Disorders and anomalies of the scrotal contents. In: Kliegman RM, St. Geme JW, Blum NJ, Shah SS, Tasker RC, Wilson KM, eds. Nelson Textbook of Pediatrics. 21st ed. Philadelphia, PA: Elsevier; 2020:chap 560.

Germann CA, Holmes JA. Selected urologic disorders. In: Walls RM, Hockberger RS, Gausche-Hill M, eds. Rosen's Emergency Medicine: Concepts and Clinical Practice. 9th ed. Philadelphia, PA: Elsevier; 2018:chap 89.

Katz A, Richardson W. Surgery. In: Zitelli BJ, McIntire SC, Nowalk AJ, eds. Zitelli and Davis' Atlas of Pediatric Physical Diagnosis. 7th ed. Philadelphia, PA: Elsevier; 2018:chap 18.

Palmer LS, Palmer JS. Management of abnormalities of the external genitalia in boys. In: Wein AJ, Kavoussi LR, Partin AW, Peters CA, eds. Campbell-Walsh Urology. 11th ed. Philadelphia, PA: Elsevier; 2016:chap 146.

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