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</div><div><span>Ureterocele</span></div></div>
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<article><div id="d-article"><div class="page-info"><div class="page-title"><a name="start" id="start">
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</a><h1 class="with-also" itemprop="name">Ureterocele</h1>
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</noscript></div><div class="main"><div id="ency_summary"><p>A ureterocele is a swelling at the bottom of one of the ureters. Ureters are the tubes that carry urine from the kidney to the bladder. The swollen area can block urine flow.</p><p>A ureterocele is a birth defect.</p></div><section><div class="section"><div class="section-header"><div class="section-title"><h2>Causes</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>A ureterocele occurs in the lower part of the ureter, where it enters the bladder. The swollen area prevents urine from moving freely into the bladder. The urine collects in the ureterocele and stretches its walls. It expands like a water balloon.</p><p>A ureterocele can also cause urine to flow backward from the bladder to the kidney. This is called reflux which may damage the kidney.</p><p>Ureteroceles occur in about 1 in 500 people. This condition is equally common in both the left and right ureters.</p></div></div></section><section><div class="section"><div class="section-header"><div class="section-title"><h2>Symptoms</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>Most people with ureteroceles do not have any symptoms. When symptoms do occur, they may include:</p><ul><li><a test="test" href="./003120.htm">Abdominal pain</a></li><li>Back pain that may be only on one side</li><li>Severe side (flank) pain and spasms that may reach to the groin, genitals, and thigh</li><li><a test="test" href="./003138.htm">Blood in the urine</a></li><li>Burning pain while urinating (<a test="test" href="./003145.htm">dysuria</a>)</li><li><a test="test" href="./003090.htm">Fever</a></li><li>Difficulty starting urine flow or slowing of urine flow </li><li><a test="test" href="./000521.htm">Urinary tract infection</a></li></ul><p>Some other symptoms are:</p><ul><li>Foul-smelling urine</li><li><a test="test" href="./003140.htm">Frequent and urgent urination</a></li><li>Lump (mass) in the abdomen that can be felt</li><li>Ureterocele tissue falls down (prolapse) through the female urethra and into the vagina</li><li><a test="test" href="./003142.htm">Urinary incontinence</a></li></ul></div></div></section><section><div class="section"><div class="section-header"><div class="section-title"><h2>Exams and Tests</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>Large ureteroceles are often diagnosed earlier than smaller ones. Ureteroceles are often discovered by a <a test="test" href="./003778.htm">pregnancy-related ultrasound</a> before the baby is born. </p><p>Some people with ureteroceles do not know they have the condition. Often, the problem is found later in life due to <a test="test" href="./000458.htm">kidney stones</a> or infection.</p><p>A <a test="test" href="./003579.htm">urinalysis</a> may reveal blood in the urine or signs of urinary tract infection.</p><p>The following tests may be done:</p><ul><li><a test="test" href="./003777.htm">Abdominal ultrasound</a></li><li><a test="test" href="./003789.htm">CT scan of the abdomen</a></li><li><a test="test" href="./003903.htm">Cystoscopy</a> (examination of the inside of the bladder)</li><li><a test="test" href="./003782.htm">Pyelogram</a> (retrograde)</li><li>Radionuclide renal scan</li><li><a test="test" href="./003784.htm">Voiding cystourethrogram</a></li></ul><p>Blood pressure may be high if there is kidney damage.</p></div></div></section><section><div class="section"><div class="section-header"><div class="section-title"><h2>Treatment</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>Antibiotics are often given to prevent further infections until surgery can be done.</p><p>The goal of treatment is to eliminate the blockage. Drains placed in the ureter or <a test="test" href="./002289.htm">renal</a> area (<a test="test" href="./002303.htm">stents</a>) may provide short-term relief of symptoms.</p><p>Surgery to repair the ureterocele cures the condition in most cases. Your surgeon may cut into the ureterocele. Another surgery may involve removing the ureterocele and reattaching the ureter to the bladder. The type of surgery depends on your age, overall health, and extent of the blockage.</p></div></div></section><section><div class="section"><div class="section-header"><div class="section-title"><h2>Outlook (Prognosis)</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 outcome varies. The damage may be temporary if the blockage can be cured. However, damage to the kidney may be permanent if the condition doesn't go away. </p><p>Kidney failure is uncommon. The other kidney will most often work normally.</p></div></div></section><section><div class="section"><div class="section-header"><div class="section-title"><h2>Possible Complications</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>Complications may include:</p><ul><li>Long-term bladder damage (urinary retention)</li><li>Long-term <a test="test" href="./001065.htm">kidney damage</a>, including loss of function in one kidney</li><li>Urinary tract infection that keeps coming back </li></ul></div></div></section><section><div class="section"><div class="section-header"><div class="section-title"><h2>When to Contact a Medical Professional</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>Contact your health care provider if you have symptoms of ureterocele.</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>Incontinence - ureterocele</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/1122t.jpg" alt="Female urinary tract" title="Female urinary tract" class="side-img"/><a href="../imagepages/1122.htm">Female urinary tract</a></li>
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<li><img src="//medlineplus.gov/ency/images/ency/tnails/1123t.jpg" alt="Male urinary tract" title="Male urinary tract" class="side-img"/><a href="../imagepages/1123.htm">Male urinary tract</a></li>
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<li><img src="//medlineplus.gov/ency/images/ency/tnails/9114t.jpg" alt="Ureterocele" title="Ureterocele" class="side-img"/><a href="../imagepages/9114.htm">Ureterocele</a></li>
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</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>Guay-Woodford LM. Hereditary nephropathies and developmental renal/urinary abnormalities. In: Goldman L, Cooney KA, eds. <em>Goldman-Cecil Medicine</em>. 27th ed. Philadelphia, PA: Elsevier; 2024:chap 113.</p><p>Stanasel I, Peters CA. Ectopic ureter, ureterocele, and ureteral anomalies. In: Partin AW, Dmochowski RR, Kavoussi LR, Peters CA, eds. <em>Campbell-Walsh-Wein Urology</em>. 12th ed. Philadelphia, PA: Elsevier; 2021:chap 41.</p></div></div></section>
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