Visibly Enlarged Blood Vessels on the Scrotum

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Medically Reviewed By:

Jason Chandrapal

Jason Chandrapal, MD

Urology

Yoshinori Abe

Yoshinori Abe, MD

Internal medicine

From our team of 50+ doctors

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Content updated on Sep 6, 2022

About the symptom

A varicocele is enlargement of the veins that run along the spermatic cord and are seen in the scrotal area. The size and severity can vary, as some become visible only when you hold your breathe while others may be present on their own. Generally they do not cause any issues, however may be surgically treated if they become painful or as part of an infertility assessment.

When to see a doctor

Seek professional care if you experience any of the following symptoms

  • Scrotal pain

Possible causes

  • Varicocele

    A varicocele is a condition where the veins in your scrotum become enlarged. The exaxt cause is unknown, but experts believe that it may be due to defective valves in the veins within your scrotum. The valves regulate the flow of blood to and from the testicles. It may occur from compression of a vein by a nearby structures as well. Varicoceles may lead to decreased sperm production and quality.

  • Hydrocele

    A swelling of the scrotum caused by fluid collecting in the space around a testicle. It is common in newborns, in older boys and men, can be caused due to inflammation or injury.

Questions your doctor may ask about this symptom

Your doctor may ask these questions to check for this symptom

  • Do you have visibly enlarged blood vessels on or in your scrotum? (like a bag of worms)

  • Do you have a fever?

  • Are you having trouble getting pregnant despite trying for some time?

  • Do you have flank/side pain?

  • Have you lost weight recently?

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Medically Reviewed By:

Yoshinori Abe

Yoshinori Abe, MD

Internal medicine

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