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Varicocele: Symptoms, Treatment, Diagnosis

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Definition

What is a Varicocele?

Varicocele, an enlargement of the veins within the scrotum, is not unlike the varicose veins that appear in the legs. It occurs in about one in six males, but unlike varicose veins in the legs, it is more common in younger males, ages 15-25. Like the leg version, varicocele is usually harmless, but not always – it can be associated with infertility problems by contributing to low sperm production and decreased sperm quality. While approximately 15 percent of men have a varicocele, among men evaluated for infertility, about 40 percent have a varicocele in at least one testicle. Surgical repair can help to restore fertility when the varicocele is the source of the problem.

Male Reproductive Tract Illustration, UCLACauses. Varicoceles are believed to be caused by defective valves in the veins within the scrotum, just above the testicles. Normally, these valves regulate the flow of blood to and from the testicles. When normal flow doesn’t occur, the blood backs up, causing the veins to dilate (enlarge). This most commonly takes place during puberty, when the testicles are experiencing rapid growth and need the most blood. In about 85 percent of cases, it occurs in the left testicle area. The poor circulation caused by the varicocele results in a higher blood temperature, raising the temperature of the testes, which can serve as a barrier to sperm production and damage or destroy sperm that is created.

Varicocele Symptoms

Because a varicocele rarely produces symptoms, it is not uncommon for a man not to be aware that he has one unless it causes problems with fertility or is noticed during a routine physical exam. When symptoms do occur, they tend to be felt as a dull ache or feeling of heaviness in the testicle, which gets worse during the day, particularly in hot weather or after physical exertion. The dilated veins in the scrotum can often be felt or seen, and the testicle is smaller on the varicocele side.

Varicocele Diagnosis

The varicocele can be identified on a routine physical exam when the testicles are felt while the male is in a standing position. Varicoceles that are smaller often are detected only on further testing, which can involve Doppler ultrasonography (ultrasound designed to detect the sound of backflow of the blood through the valve) and thermography (infrared sensing technology to detect pockets of heat created by the pooled blood).

Treatment for Varicocele

Treatment is generally necessary only for infertility, or if the varicocele causes persistent pain or discomfort (even after attempting non-surgical approaches such as anti-inflammatory medications and wearing snug underwear or a jock strap) or significant testicular atrophy. Surgical treatment of the varicocele usually involves tying off the affected vein to redirect the blood flow toward normal veins. Surgery can be open or laparoscopic, and is done on an outpatient basis. Surgery using a surgical microscope, offered at UCLA, can allow precise identification of critical structures that need to be preserved during surgery, such as the testicular artery. Pain after the surgery is mild, and often the patient can return to most normal activities within two days. Approximately half of men who have the surgery to correct infertility are able to father a child within the first year.

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The UCLA Department of Urology provides treatment for urological conditions of all kinds and is committed to providing the highest quality of patient care. We take great pride in being able to share a few of our patients' stories with you.

The Department of Urology at UCLA is one of the most progressive and comprehensive urology programs in the country. Our faculty members work side by side with research scientists for new cures and treatments for prostate cancer.

Our goal is to provide you with fast, easy access to the physicians and services at UCLA. For assistance in determining which UCLA urologist(s) may have expertise to help you, please call the Urology Appointment phone number:
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