Testicle lump

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Male reproductive anatomy

A testicle lump is a swelling or mass in one or both testicles.

See also:

• Testicular pain
• Testicular cancer
• Testicular self exam

Lump in the testicle

A testicular lump that doesn't hurt may be a sign of cancer. Most cases of testicular cancer occur when men are between ages 15 and 40, although it can happen at older or younger ages.

Here are some possible causes of a painful testicle:

• Injury or trauma
• Epididymitis
• Infection of the scrotal sac
• Mumps
• Orchitis (testicular infection)
• Testicular torsion
• Testicular cancer
• Spermatocele (a cyst-like mass within the scrotum that contains fluid and dead sperm cells)
• Varicocele (a varicose vein along the spermatic cord)

• Testicular cancer
• Hydrocele (fluid collection in the scrotum)
• Varicocele
• Spermatocele
• Loop of bowel from a hernia

Review Date: 08/15/2006
Reviewed By: David R. Knowles, M.D., Advanced Urologic Surgeons, Mt. Vernon, IL. Review provided by VeriMed Healthcare Network.