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Testicular Self-Examination

Definition

Testicular self-examination is an examination of the testicles. The testicles (also called the testes) are the male reproductive organs that produce sperm and the hormone testosterone. They are located in the scrotum under the penis.

How the test is performed

Perform this test during or after a shower. This way, the scrotal skin is warm and relaxed. It's best to do the test while standing.

  1. Gently feel your scrotal sac to locate a testicle.
  2. Hold the testicle with one hand while firmly but gently rolling the fingers of the other hand over the testicle to examine the entire surface.
  3. Repeat the procedure with the other testicle.

Why the test is performed

A testicular self-exam is done to check for testicular cancer. Normal testicles contain blood vessels and other structures that can make the exam confusing. Performing a self-exam monthly allows you to become familiar with your normal anatomy. Then if you notice any changes from the previous exam, you'll know to contact your doctor.

You should perform a testicular self-exam every month if you have or have had any of the following risk factors:

  1. Family history of testicular cancer
  2. Previous testicular tumor
  3. Undescended testicle
  4. Are a teenager or young adult (to about 35 years old)

Normal Values

Each testicle should feel firm, but not rock hard. One testicle may or may not be lower or slightly larger than the other.

Always ask your doctor if you have any doubts or questions.

What abnormal results mean

If you find a small hard lump (like a pea), have an enlarged testicle, or notice any other concerning differences from your last self-exam, see your doctor as soon as you can.

Consult your doctor if:

  • You can't find one or both testicles -- the testicles may not have descended properly in the scrotum
  • There is a soft collection of thin tubes above the testicle -- it may be a collection of dilated veins (varicocele)
  • There is pain or swelling in the scrotum -- it may be an infection or a fluid-filled sac (hydrocele), causing blockage of blood flow to the area

Sudden, severe (acute) pain in the scrotum or testicle is an emergency. If you experience such pain, seek immediate medical attention.

Special considerations

A lump on the testicle is often the first sign of testicular cancer. Therefore, if you find a lump, see a doctor immediately. Keep in mind that some cases of testicular cancer do not show symptoms until they reach an advanced stage.

References

Shaw J. Diagnosis and treatment of testicular cancer. Am Fam Physician. 2008;77(4):469-474, 475-476

U.S. Preventive Services Task Force. Screening for Testicular Cancer: Recommendation Statement. Rockville, MD: Agency for Healthcare Research and Quality; February 2004.

Review Date: 9/22/2009

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Information developed by A.D.A.M., Inc. regarding tests and test results may not directly correspond with information provided by UCSF Medical Center. Please discuss with your doctor any questions or concerns you may have.