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</noscript></div><div class="main"><div id="ency_summary"><p>A cytology exam of urine is a test used to detect cancer and other diseases of the urinary tract.</p></div><section><div class="section"><div class="section-header"><div class="section-title"><h2>How the Test is Performed</h2></div><div class="section-button"><button type="submit" aria-controls="section-1" role="button" title="Expand/Collapse section"><span class="icon icon-section-action">
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</div></div><div class="section-body" id="section-1"><p>Most often, a <a test="test" href="./007487.htm">clean catch urine sample</a> is collected in your health care provider's office or at home. This is done by urinating into a special cup. The clean-catch method helps prevent germs from the penis or vagina from getting into a urine sample. To collect your urine, you will get a clean-catch kit from your provider. It will contain a cup with a lid and sterile wipes. Follow instructions exactly.</p><p>The urine sample can also be collected during <a test="test" href="./003903.htm">cystoscopy</a>. During this procedure, your provider uses a thin, tube-like instrument with a camera on the end to examine the inside of your bladder.</p><p>The urine sample is sent to a lab and examined under a microscope to look for abnormal cells.</p></div></div></section><section><div class="section"><div class="section-header"><div class="section-title"><h2>How to Prepare for the Test</h2></div><div class="section-button"><button type="submit" aria-controls="section-2" role="button" title="Expand/Collapse section"><span class="icon icon-section-action">
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</div></div><div class="section-body" id="section-2"><p>No special preparation is needed.</p></div></div></section><section><div class="section"><div class="section-header"><div class="section-title"><h2>How the Test will Feel</h2></div><div class="section-button"><button type="submit" aria-controls="section-3" role="button" title="Expand/Collapse section"><span class="icon icon-section-action">
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</div></div><div class="section-body" id="section-3"><p>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.</p></div></div></section><section><div class="section"><div class="section-header"><div class="section-title"><h2>Why the Test is Performed</h2></div><div class="section-button"><button type="submit" aria-controls="section-4" role="button" title="Expand/Collapse section"><span class="icon icon-section-action">
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</div></div><div class="section-body" id="section-4"><p>The test is done to detect cancer of the urinary tract. It is often done when blood is seen in the urine.</p><p>It is also used to monitor people who have a history of urinary tract cancer. The test may be ordered for people who are at high risk for bladder cancer.</p><p>This test can also detect cytomegalovirus and other viral diseases.</p></div></div></section><section><div class="section"><div class="section-header"><div class="section-title"><h2>Normal Results</h2></div><div class="section-button"><button type="submit" aria-controls="section-5" role="button" title="Expand/Collapse section"><span class="icon icon-section-action">
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</div></div><div class="section-body" id="section-5"><p>The urine shows normal cells.</p></div></div></section><section><div class="section"><div class="section-header"><div class="section-title"><h2>What Abnormal Results Mean</h2></div><div class="section-button"><button type="submit" aria-controls="section-6" role="button" title="Expand/Collapse section"><span class="icon icon-section-action">
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</div></div><div class="section-body" id="section-6"><p>Abnormal cells in the urine may be a sign of inflammation of the urinary tract or <a test="test" href="./000516.htm">cancer of the kidney</a>, ureters, bladder, or urethra. Abnormal cells may also be seen if the person has had radiation therapy near the bladder, such as for prostate cancer, uterine cancer, or colon cancer.</p><p>This test alone cannot diagnose cancer or inflammatory disease. The results need to be confirmed with other tests or procedures.</p></div></div></section><section><div class="section"><div class="section-header"><div class="section-title"><h2>Risks</h2></div><div class="section-button"><button type="submit" aria-controls="section-7" role="button" title="Expand/Collapse section"><span class="icon icon-section-action">
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</div></div><div class="section-body" id="section-7"><p>There are no risks with this test.</p></div></div></section><section><div class="section"><div class="section-header"><div class="section-title"><h2>Alternative Names</h2></div><div class="section-button"><button type="submit" aria-controls="section-Alt" role="button" title="Expand/Collapse section"><span class="icon icon-section-action">
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</div></div><div class="section-body" id="section-Alt"><p>Urine cytology; Bladder cancer - cytology; Urethral cancer - cytology; Renal cancer - cytology</p></div></div></section><section><div class="section sec-mb"><div class="section-header"><div class="section-title"><h2>Images</h2></div><div class="section-button"><button type="submit" aria-controls="section-tnails" role="button" title="Expand/Collapse section"><span class="icon icon-section-action">
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<li><img src="//medlineplus.gov/ency/images/ency/tnails/1065t.jpg" alt="Bladder catheterization - female" title="Bladder catheterization - female" class="side-img"/><a href="../imagepages/1065.htm">Bladder catheterization - female</a></li>
<li><img src="//medlineplus.gov/ency/images/ency/tnails/1066t.jpg" alt="Bladder catheterization - male" title="Bladder catheterization - male" class="side-img"/><a href="../imagepages/1066.htm">Bladder catheterization - male</a></li>
</ul></div></div></section><section><div class="section"><div class="section-header"><div class="section-title"><h2>References</h2></div><div class="section-button"><button type="submit" aria-controls="section-Ref" role="button" title="Expand/Collapse section"><span class="icon icon-section-action">
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</div></div><div class="section-body" id="section-Ref"><p>Bostwick DG. Urine cytology. In: Cheng L, MacLennan GT, Bostwick DG, eds. <em>Urologic Surgical Pathology</em>. 4th ed. Philadelphia, PA: Elsevier; 2020:chap 7.</p><p>Riley RS, McPherson RA. Basic examination of urine. In: McPherson RA, Pincus MR, eds. <em>Henry's Clinical Diagnosis and Management by Laboratory Methods</em>. 24th ed. Philadelphia, PA: Elsevier; 2022:chap 29.</p></div></div></section>
<section><div class="section"><div class="section-header"><div class="section-title"><h2>Review Date 7/1/2023</h2></div><div class="section-button"><button type="submit" aria-controls="section-version" role="button" title="Expand/Collapse section"><span class="icon icon-section-action">
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<div id="section-version" class="section-body"><p>Updated by: Kelly L. Stratton, MD, FACS, Associate Professor, Department of Urology, University of Oklahoma Health Sciences Center, Oklahoma City, OK. Also reviewed by David C. Dugdale, MD, Medical Director, Brenda Conaway, Editorial Director, and the A.D.A.M. Editorial team.</p>
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