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Cytology exam of urine

Urine cytology

 

A cytology exam of urine is a test used to detect cancer and other diseases of the urinary tract.

How the Test is Performed

 

Most of the time, the sample is collected as a clean catch urine sample in your doctor's office or at home. This is done by urinating into a special container. The clean-catch method is used to prevent germs from the penis or vagina from getting into a urine sample. To collect your urine, you may get a special clean-catch kit from your health care provider that contains a cleansing solution and sterile wipes. Follow instructions exactly so that the results are accurate.

The urine sample can also be collected during cystoscopy . During this procedure, your provider uses a thin, tube-like instrument with a camera on the end to examine the inside of your bladder.

The urine sample is sent to a lab and examined under a microscope to look for abnormal cells.

 

How to Prepare for the Test

 

No special preparation is needed.

 

How the Test will Feel

 

There is no discomfort with a clean catch urine specimen. During cystoscopy, there may be slight discomfort when the scope is passed through the urethra into the bladder.

 

Why the Test is Performed

 

The test is done to detect cancer of the urinary tract. It is often done when blood is seen in the urine.

It is also useful for monitoring people who have a history of urinary tract cancer. The test may sometimes be ordered for people who are at high risk for bladder cancer.

This test can also detect cytomegalovirus and other viral diseases.

 

Normal Results

 

The urine shows normal cells.

 

What Abnormal Results Mean

 

Abnormal cells in the urine may be a sign of inflammation of the urinary tract or cancer of the kidney , ureters, bladder, or urethra.

Be aware that cancer or inflammatory disease cannot be diagnosed with this test alone. The results need to be confirmed with other tests or procedures.

 

Risks

 

There are no risks with this test.

 

 

References

Gerber GS, Brendler CB. Evaluation of the urologic patient: history, physical examination, and urinalysis. In: Wein AJ, Kavoussi LR, Novick AC, Partin AW, Peters CA, eds. Campbell-Walsh Urology . 10th ed. Philadelphia, PA: Elsevier Saunders; 2012:chap 3.

McPherson RA, Ben-Ezra J. Basic examination of urine. In: McPherson RA, Pincus MR, eds. Henry's Clinical Diagnosis and Management by Laboratory Methods . 22nd ed. Philadelphia, PA: Elsevier Saunders; 2011:chap 28.

Smith A, Balar AV, Milowsky MI, Chen RC. Bladder cancer. In: Niederhuber JE, Armitage JE, Doroshow JH, Kastan MB, Tepper JE, eds. Abeloff's Clinical Oncology . 5th ed. Philadelphia, PA: Elsevier Churchill Livingstone; 2014:chap 83.

 
  • Bladder catheterization, female - illustration

    A catheter (a hollow tube, often with an inflatable balloon tip) may be inserted into the urinary bladder when there is a urinary obstruction, following surgical procedures to the urethra, in unconscious patients (due to surgical anesthesia, coma, or other reasons), or for any other problem in which the bladder needs to be kept empty (decompressed) and urinary flow assured. The balloon holds the catheter in place for a duration of time.

    Bladder catheterization, female

    illustration

  • Bladder catheterization, male - illustration

    Catheterization is accomplished by inserting a catheter (a hollow tube, often with and inflatable balloon tip) into the urinary bladder. This procedure is performed for urinary obstruction, following surgical procedures to the urethra, in unconscious patients (due to surgical anesthesia, coma, or other reasons), or for any other problem in which the bladder needs to be kept empty (decompressed) and urinary flow assured. The balloon holds the catheter in place for a duration of time. Catheterization in males is slightly more difficult and uncomfortable than in females because of the longer urethra.

    Bladder catheterization, male

    illustration

    • Bladder catheterization, female - illustration

      A catheter (a hollow tube, often with an inflatable balloon tip) may be inserted into the urinary bladder when there is a urinary obstruction, following surgical procedures to the urethra, in unconscious patients (due to surgical anesthesia, coma, or other reasons), or for any other problem in which the bladder needs to be kept empty (decompressed) and urinary flow assured. The balloon holds the catheter in place for a duration of time.

      Bladder catheterization, female

      illustration

    • Bladder catheterization, male - illustration

      Catheterization is accomplished by inserting a catheter (a hollow tube, often with and inflatable balloon tip) into the urinary bladder. This procedure is performed for urinary obstruction, following surgical procedures to the urethra, in unconscious patients (due to surgical anesthesia, coma, or other reasons), or for any other problem in which the bladder needs to be kept empty (decompressed) and urinary flow assured. The balloon holds the catheter in place for a duration of time. Catheterization in males is slightly more difficult and uncomfortable than in females because of the longer urethra.

      Bladder catheterization, male

      illustration

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          Tests for Cytology exam of urine

           

           

          Review Date: 8/31/2015

          Reviewed By: Jennifer Sobol, DO, Urologist with the Michigan Institute of Urology, West Bloomfield, MI. Review provided by VeriMed Healthcare Network. Also reviewed by David Zieve, MD, MHA, Isla Ogilvie, PhD, and the A.D.A.M. Editorial team.

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