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Scrotal ultrasound

Testicular ultrasound; Testicular sonogram

 

Scrotal ultrasound is an imaging test that looks at the scrotum. It is the flesh-covered sac that hangs between the legs at the base of the penis and contains the testicles.

The testicles are the male reproductive organs that produce sperm and the hormone testosterone . They are located in the scrotum , along with other small organs, blood vessels, and a small tube called the vas deferens.

How the Test is Performed

 

You lie on your back with your legs spread. The health care provider drapes a cloth across your thighs under the scrotum or applies wide strips of adhesive tape to the area. The scrotal sac will be slightly raised with the testicles lying side by side.

A clear gel is applied to the scrotal sac to help transmit the sound waves. A handheld probe (the ultrasound transducer) is then moved over the scrotum by the technologist. The ultrasound machine sends out high-frequency sound waves. These waves reflect off areas in the scrotum to create a picture.

 

How to Prepare for the Test

 

No special preparation is needed for this test.

 

How the Test will Feel

 

There is little discomfort. The conducting gel may feel slightly cold and wet.

 

Why the Test is Performed

 

A testicle ultrasound is done to:

  • Help determine why one or both testicles have become larger
  • Look at a mass or lump in one or both of the testicles
  • Find the reason for pain in the testicles
  • Show how blood flows through the testicles

 

Normal Results

 

The testicles and other areas in the scrotum appear normal.

 

What Abnormal Results Mean

 

Possible causes of abnormal results include:

  • Collection of very small veins, called a varicocele
  • Infection or abscess
  • Noncancerous (benign) cyst
  • Twisting of the testicle that blocks blood flow, called testicular torsion
  • Testicular tumor

 

Risks

 

There are no known risks. You will not be exposed to radiation with this test.

 

Considerations

 

In certain cases, Doppler ultrasound may help identify blood flow inside the scrotum. This method can be helpful in cases of testicular torsion, because blood flow to the twisted testicle may be reduced.

 

 

References

Gilbert BR, Fulgham PF. Urinary tract imaging. In: Wein AJ, Kavoussi LR, Partin AW, Peters CA, eds. Campbell-Walsh Urology . 11th ed. Philadelphia, PA: Elsevier; 2016:chap 3.

Shaida N, Berman L. Male genitourinary tract. In: Adam A, Dixon AK, Gillard JH, et al, eds. Grainger & Allison's Diagnostic Radiology: A Textbook of Medical Imaging . 6th ed. New York, NY: Elsevier Churchill Livingstone; 2015:chap 40.

 
  • Male reproductive anatomy - illustration

    The male reproductive structures include the penis, the scrotum, the seminal vesicles and the prostate.

    Male reproductive anatomy

    illustration

  • Testicular ultrasound - illustration

    Testicular ultrasound is an imaging procedure to examine the testicles and other scrotal structures. A ultrasound is performed by moving the ultrasound transducer over the scrotum. Ultrasound pictures are viewed on a monitor at the same time. Testicular ultrasound is performed to help determine the cause of testicular enlargement or the reason for testicular pain.

    Testicular ultrasound

    illustration

    • Male reproductive anatomy - illustration

      The male reproductive structures include the penis, the scrotum, the seminal vesicles and the prostate.

      Male reproductive anatomy

      illustration

    • Testicular ultrasound - illustration

      Testicular ultrasound is an imaging procedure to examine the testicles and other scrotal structures. A ultrasound is performed by moving the ultrasound transducer over the scrotum. Ultrasound pictures are viewed on a monitor at the same time. Testicular ultrasound is performed to help determine the cause of testicular enlargement or the reason for testicular pain.

      Testicular ultrasound

      illustration

    A Closer Look

     

      Self Care

       

        Tests for Scrotal ultrasound

         

         

        Review Date: 4/12/2016

        Reviewed By: Jason Levy, MD, Northside Radiology Associates, Atlanta, GA. Also reviewed by David Zieve, MD, MHA, Isla Ogilvie, PhD, and the A.D.A.M. Editorial team.

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