CINXE.COM
Kidney Stones | Bladder Stones - Diagnosis, Evaluation and Treatment
<!doctype html> <html lang="en"> <head> <meta charset="utf-8" /> <title>Kidney Stones | Bladder Stones - Diagnosis, Evaluation and Treatment</title> <link rel="icon" href="https://www.radiologyinfo.org/-/media/projects/radinfo/index.png?rev=2f250f5878254a09af0996d7356051d0&hash=8E4ABABD8D30DAA79D1855C7088CCD5A" type="image/x-icon" /> <link rel="shortcut icon" href="https://www.radiologyinfo.org/-/media/projects/radinfo/index.png?rev=2f250f5878254a09af0996d7356051d0" type="image/x-icon" /> <meta name="author" content="Radiological Society of North America (RSNA) and American College of Radiology (ACR)" /> <meta name="description" content="Patient guide for up-to-date, accurate information about the diagnosic medical tests and treatments for kidney and bladder stones." /> <link itemprop="url" href="https://www.radiologyinfo.org/en/info/stones-renal" /> <meta property="og:title" content="Kidney and Bladder Stones" /> <meta property="og:description" content="Patient guide for up-to-date, accurate information about the diagnosic medical tests and treatments for kidney and bladder stones." /> <meta property="og:image" content="https://www.radiologyinfo.org/-/media/radinfo/gallery-items/images/h-to-m/mdct-kidney-stone.jpg?rev=dd8bb447dd314898ad21d634ade6273c&hash=918CBA3F6FF1F8F48CBD1937681C003E" /> <meta property="og:image:width" content="450" /> <meta property="og:image:height" content="370" /> <meta property="og:url" content="https://www.radiologyinfo.org/en/info/stones-renal" /> <meta property="og:site_name" content="Radiologyinfo.org" /> <meta property="og:type" content="Article" /> <meta property="twitter:card" content="summary" /> <meta property="twitter:title" content="Kidney and Bladder Stones" /> <meta property="twitter:description" content="Patient guide for up-to-date, accurate information about the diagnosic medical tests and treatments for kidney and bladder stones." /> <meta property="twitter:image" content="https://www.radiologyinfo.org/-/media/radinfo/gallery-items/images/h-to-m/mdct-kidney-stone.jpg?rev=dd8bb447dd314898ad21d634ade6273c&hash=918CBA3F6FF1F8F48CBD1937681C003E" /> <link rel="alternate" href="https://www.radiologyinfo.org/en/info/stones-renal" hreflang="en"/> <link rel="alternate" href="https://www.radiologyinfo.org/es/info/stones-renal" hreflang="es"/> <meta name="robots" content="NOODP"> <meta name="article:publisher" content="https://www.facebook.com/radiologyinfo" /> <meta name="thumbnail" content="https://www.radiologyinfo.org/-/media/radinfo/gallery-items/images/h-to-m/mdct-kidney-stone.jpg?rev=dd8bb447dd314898ad21d634ade6273c&hash=918CBA3F6FF1F8F48CBD1937681C003E" /> <script type="application/ld+json">{ "@context": "http://schema.org", "@type": "MedicalWebPage", "lastReviewed": "2023-05-01", "mainEntityOfPage": { "@type": "WebPage", "@id": "https://www.radiologyinfo.org/en/info/stones-renal" }, "headline": "Kidney and Bladder Stones", "specialty": "Radiology", "audience": "patients", "image": { "@type": "ImageObject", "url": "https://www.radiologyinfo.org/-/media/radinfo/gallery-items/images/a-to-d/ct-patient-and-radiologic-technologists.jpg?rev=621b3c9219e94b13a7a564f480b85e27" } }</script> <meta name="VIcurrentDateTime" content="638754120174125109" /> <meta name="VirtualFolder" content="/" /> <script type="text/javascript" src="/layouts/system/VisitorIdentification.js"></script> <script src="/sitecore%20modules/Web/ExperienceForms/scripts/jquery-2.1.3.min.js"></script> <script src="/sitecore%20modules/Web/ExperienceForms/scripts/jquery.validate.min.js"></script> <script src="/sitecore%20modules/Web/ExperienceForms/scripts/jquery.validate.unobtrusive.min.js"></script> <script src="/sitecore%20modules/Web/ExperienceForms/scripts/jquery.unobtrusive-ajax.min.js"></script> <script src="/sitecore%20modules/Web/ExperienceForms/scripts/form.validate.js"></script> <script src="/sitecore%20modules/Web/ExperienceForms/scripts/form.tracking.js"></script> <script src="/sitecore%20modules/Web/ExperienceForms/scripts/formsextensions.validate.js"></script> <!--All Pages--> <meta name="viewport" content="width=device-width, initial-scale=1.0" /> <link rel="stylesheet" href="https://maxcdn.bootstrapcdn.com/bootstrap/3.3.5/css/bootstrap.min.css" /> <link href="/css/radinfo/bundle.css?v=PY45sb5b_cZEDVmb5aF7Ci5wDFJLZxfQHHfbROL8FjI1" rel="stylesheet"/> <link rel="canonical" href="https://www.radiologyinfo.org/en/info/stones-renal" /> <!-- Google Tag Manager --> <script>(function(w,d,s,l,i){w[l]=w[l]||[];w[l].push({'gtm.start': new Date().getTime(),event:'gtm.js'});var f=d.getElementsByTagName(s)[0], j=d.createElement(s),dl=l!='dataLayer'?'&l='+l:'';j.async=true;j.src= 'https://www.googletagmanager.com/gtm.js?id='+i+dl;f.parentNode.insertBefore(j,f); })(window,document,'script','dataLayer','GTM-N7N74GQ');</script> <!-- End Google Tag Manager --> <link rel="amphtml" href="https://www.radiologyinfo.org/en/info/stones-renal?google=amp"></head> <body> <!-- Google Tag Manager (noscript) --> <noscript><iframe src="https://www.googletagmanager.com/ns.html?id=GTM-N7N74GQ" height="0" width="0" style="display:none;visibility:hidden"></iframe></noscript> <!-- End Google Tag Manager (noscript) --> <div id="skiptocontent"><a href="#main">skip to main content</a></div> <div class="container-fluid"> <div class="row" style="margin-left: 0; margin-right: -20px;"> <header class="col-md-12"> <form class="navbar-form navbar-right hidden-xs" action="/search" role="search"> <div class="searchBar"> <input id="term" name="term" title="Search" type="text" placeholder="Search" value="" aria-label="Search the site"> <button id="termsubmit" type="submit" aria-label="Submit Site search"> <svg style="width:24px;height:24px;" viewBox="0 0 24 24"> <path fill="#115871" d="M9.5,3A6.5,6.5 0 0,1 16,9.5C16,11.11 15.41,12.59 14.44,13.73L14.71,14H15.5L20.5,19L19,20.5L14,15.5V14.71L13.73,14.44C12.59,15.41 11.11,16 9.5,16A6.5,6.5 0 0,1 3,9.5A6.5,6.5 0 0,1 9.5,3M9.5,5C7,5 5,7 5,9.5C5,12 7,14 9.5,14C12,14 14,12 14,9.5C14,7 12,5 9.5,5Z"></path> </svg> </button> </div> </form> <a href="/en" tabindex="-1"> <img src="https://www.radiologyinfo.org/-/media/radinfo/radiologyinfo_forpatients.jpg?rev=819ea1b147f74a9c87e307fa9338c6f7&la=en&h=62&w=300&hash=4AECBCBED1FDB2F6FDCDACAEA3EA24BA" alt="RadInfo Logo" style="max-width:100%;margin-left:-15px;" /> <span class="hide-visibility">Home</span> </a> </header> </div> <!--Static navbar--> <div class="navbar navbar-inverse" role="navigation" style="z-index:1; margin-left:-20px !important; margin-right: -20px !important;"> <div class="container-fluid"> <div class="navbar-header"> <button type="button" class="navbar-toggle collapsed pull-left" data-toggle="collapse" data-target=".navbar-collapse"> <span class="sr-only">Toggle navigation</span> <span class="icon-bar"></span> <span class="icon-bar"></span> <span class="icon-bar"></span> </button> </div> <div class="navbar-collapse collapse" style="height: 1px; margin-left:5px !important;"> <form class="navbar-form navbar-left search-query hidden-lg hidden-md hidden-sm form-inline" action="/search" role="search"> <div class="searchBar"> <input id="term-mobile" name="searchterm" title="Search" type="text" placeholder="Search" value="" aria-label="Search the site"> <button id="termsubmit-mobile" type="submit" aria-label="Submit Site search"> <svg style="width:24px;height:24px;" viewBox="0 0 24 24"> <path fill="#115871" d="M9.5,3A6.5,6.5 0 0,1 16,9.5C16,11.11 15.41,12.59 14.44,13.73L14.71,14H15.5L20.5,19L19,20.5L14,15.5V14.71L13.73,14.44C12.59,15.41 11.11,16 9.5,16A6.5,6.5 0 0,1 3,9.5A6.5,6.5 0 0,1 9.5,3M9.5,5C7,5 5,7 5,9.5C5,12 7,14 9.5,14C12,14 14,12 14,9.5C14,7 12,5 9.5,5Z"></path> </svg> </button> </div> </form> <ul class="nav navbar-nav"> <li> <a href="https://www.radiologyinfo.org/en/" title="Home" > <span style="font-size: 1em" class="glyphicon glyphicon-home"></span> </a> </li> <li> <a href="https://www.radiologyinfo.org/en/test-treatment" >Tests and Treatments</a> </li> <li> <a href="https://www.radiologyinfo.org/en/pediatric" >Pediatric Care</a> </li> <li> <a href="https://www.radiologyinfo.org/en/screening" >Screening</a> </li> <li> <a href="https://www.radiologyinfo.org/en/disease-condition" >Diseases and Conditions</a> </li> <li> <a href="https://www.radiologyinfo.org/en/patient-safety" >Safety</a> </li> <li> <a class="gold" href="https://www.radiologyinfo.org/es/info/stones-renal"> En Espa帽ol </a> </li> </ul> </div><!--/.nav-collapse --> </div><!--/.container-fluid --> </div> <div id="top"></div> <!--GRID ROW--> <div class="row"> <div id="main" class="col-md-8"> <div id="main-inner"> <div id="share-links"> <a title="Facebook Share" class="share-facebook-en" target="_blank" href="https://www.facebook.com/sharer/sharer.php?u=https://www.radiologyinfo.org/en/info/stones-renal" aria-label="Facebook Share" role="button"></a> <a title="X (formerly Twitter)" class="share-twitter" target="_blank" href="https://x.com/intent/tweet?original_referer=https://www.radiologyinfo.org/en/info/stones-renal?ref_src=twsrc%5Etfw&text=Kidney+and+Bladder+Stones&tw_p=tweetbutton&url=https://www.radiologyinfo.org/en/info/stones-renal" aria-label="X (formerly Twitter)" role="button"></a> <a title="PDF" class="view-PDF-en" target="_blank" href="https://www.radiologyinfo.org/en/info/stones-renal?PdfExport=1" onclick="if (typeof trackPDFClick === 'function') { trackPDFClick(this); }" aria-label="PDF" role="button"> </a> </div> <h1>Kidney and Bladder Stones</h1> <script language="javascript"> function jwPlayerCallBackPlayer2() { var player2 = jwplayer("player2"); player2.setup({ file: "https://cdn.jwplayer.com/manifests/0AhUvCMO.m3u8", image: "https://www.radiologyinfo.org/-/media/radinfo/gallery-items/videothumbs/holvan/ri-nephrostomy-kidney-stone-removal-2019-11-06_1080.jpg?rev=3e6286d930b74b7d9ab624791ee23c21&hash=D6DC8CF199D3B2598447C8539B96D081", mediaid: "0AhUvCMO", width: "100%", aspectratio: "16:9", skin: { "name": "ri-jwp" }, type: 'mp4' }); player2.on('play', function() { pausePlayers(2); }); } </script> <div class="row"> <div id="video1-mobile" class="hidden-lg col-xs-12"> <div id="player2"> </div> </div> </div> <p class="snapshot">Kidney and bladder stones are solid build-ups of crystals made from minerals and proteins found in urine. Certain bladder conditions and urinary tract infections can increase your chance of developing stones. </p> <p class="snapshot">Your doctor may use abdominal and pelvic CT, intravenous pyelogram, or abdominal or pelvic ultrasound to help diagnose your condition. If a stone blocks urine flow and drainage of the kidney, your doctor may restore urine flow using ureteral stenting or nephrostomy.</p> <div id="incontentvideo"> <div class="row"> </div> </div> <div id="page-contents" class="no-columnize"> <ul> <li><a href="#8f26ef87eafe43248e77327dcbbc2158">What are kidney and bladder stones?</a></li> <li><a href="#a37f1430b8e74bfc8d89d895ebd924de">How are kidney and bladder stones diagnosed and evaluated?</a></li> <li><a href="#137b852607694b0e96a4493b9e60ec9c">How are kidney and bladder stones treated?</a></li> <li><a href="#304e65aaa9fb47038caa1c91a2023201">Which test, procedure or treatment is best for me?</a></li> </ul> </div> <div class="sectiondiv" id="8f26ef87eafe43248e77327dcbbc2158"> <h2 class="dontsplit">What are kidney and bladder stones?</h2> <p>Kidney or bladder stones are solid build-ups of crystals made from minerals and proteins found in urine. Bladder <a title="Glossary" data-toggle="modal" data-target="#glModal" href="https://www.radiologyinfo.org/en/glossary?modal=1&id=ezgyQzM1RDNFLUVFRjMtNDM5Qy05QUVDLUI1MzFBNkJDNUIwOH0=">diverticulum</a>, enlarged prostate, neurogenic bladder and urinary tract infection can cause an individual to have a greater chance of developing bladder stones.</p> <p>If a kidney stone becomes lodged in the <a title="Glossary" data-toggle="modal" data-target="#glModal" href="https://www.radiologyinfo.org/en/glossary?modal=1&id=e0YzMDk4RTZDLUU2MzktNEExRC04OTlCLTgyNDMwRkUzODc3QX0=">ureter</a> or <a title="Glossary" data-toggle="modal" data-target="#glModal" href="https://www.radiologyinfo.org/en/glossary?modal=1&id=e0QwMUI4QTc2LUYyMUEtNEQxMy04OTkxLTg4MDU0NTJBMzg0OH0=">urethra</a>, it can cause constant severe pain in the back or side, vomiting, <em><a href="https://www.radiologyinfo.org/en/info/hematuria">hematuria</a></em> (blood in the urine), fever, or chills.</p> <p>If bladder stones are small enough, they can pass on their own with no noticeable symptoms. However, once they become larger, bladder stones can cause frequent urges to urinate, painful or difficult urination and hematuria.</p> </div> <p class="top-link"><a class="top" href="#top">top of page</a></p><div class="sectiondiv" id="a37f1430b8e74bfc8d89d895ebd924de"> <h2 class="dontsplit">How are kidney and bladder stones diagnosed and evaluated?</h2> <p>Imaging is used to provide your doctor with valuable information about the kidney or bladder stones, such as location, size and effect on the function of the kidneys. Some types of imaging that your doctor may order include:</p> <ul class="diseases-list"> <li><a href="https://www.radiologyinfo.org/en/info/abdominct"><em>Abdominal and pelvic CT</em></a><em>: </em>This is the most rapid scanning method for locating a stone. This procedure can provide detailed images of the kidneys, ureters, bladder and urethra, identify a stone and reveal whether it is blocking urinary flow. <em>See the <a href="https://www.radiologyinfo.org/en/info/safety-xray">Safety page</a> for more information about CT procedures.</em></li> <li><a href="https://www.radiologyinfo.org/en/info/ivp"><em>Intravenous pyelogram (IVP)</em></a><em>: </em>This is an x-ray examination of the kidneys, ureters and urinary bladder that uses iodinated <a title="Glossary" data-toggle="modal" data-target="#glModal" href="https://www.radiologyinfo.org/en/glossary?modal=1&id=e0FFRjY2NDY2LTcyQUMtNDc1Ni1BNTY1LTUyMTJBRjZGQzVDQX0=">contrast material</a> injected into veins to evaluate the urinary system. <em>See the <a href="https://www.radiologyinfo.org/en/info/safety-xray">Safety page</a> for more information about x-rays.</em></li> <li><a href="https://www.radiologyinfo.org/en/info/abdominus"><em>Abdominal</em></a> and <a href="https://www.radiologyinfo.org/en/info/pelvus"><em>Pelvic ultrasound</em></a><em>:</em> These exams use sound waves to provide pictures of the kidneys and bladder and can identify blockage of urinary flow and help identify stones.<br> <br> <div class="ped-graphic"> <p><em>For more information about ultrasound performed on children, visit the <a href="https://www.radiologyinfo.org/en/info/abdomus-pdi">pediatric abdominal ultrasound page</a>.</em> </p> </div> </li> </ul> </div> <p class="top-link"><a class="top" href="#top">top of page</a></p><div class="sectiondiv" id="137b852607694b0e96a4493b9e60ec9c"> <h2 class="dontsplit">How are kidney and bladder stones treated?</h2> <p>If a stone blocks urine flow and drainage of the kidney, there are a variety of possible treatments. An option that your doctor may choose is:</p> <ul> <li><a href="https://www.radiologyinfo.org/en/info/ureteralnephro"><em>Ureteral stenting or nephrostomy</em></a><em>: </em>A ureteral stent is a thin, flexible tube threaded into the ureter by a urologist to restore the flow of urine to the bladder from the kidney. <br> <br> A nephrostomy is performed by an interventional radiologist when ureteral stenting is not possible or desirable. A tube is placed through the skin on the patient's back into the kidney and the tube is connected to an external drainage bag. The procedure is usually performed with fluoroscopy.</li> </ul> </div> <p class="top-link"><a class="top" href="#top">top of page</a></p><div class="sectiondiv" id="304e65aaa9fb47038caa1c91a2023201"> <h2 class="dontsplit">Which test, procedure or treatment is best for me?</h2> <ul> <li><em><a href="https://www.radiologyinfo.org/en/info/acs-acute-onset-flank-pain-suspicion-stone-disease">Acute Onset Flank Pain – Suspicion of Stone Disease (Urolithiasis)</a></em></li> <li><em><a href="https://www.radiologyinfo.org/en/info/acs-acute-pyelonephritis">Acute Pyelonephritis</a></em></li> <li><em><a href="https://www.radiologyinfo.org/en/info/acs-hematuria">Hematuria</a></em></li> <li><em><a href="https://www.radiologyinfo.org/en/info/acs-hematuria-child">Hematuria-Child</a></em></li> <li><em><a href="https://www.radiologyinfo.org/en/info/acs-lower-urinary-tract-symptoms">Lower Urinary Tract Symptoms-Suspicion of Benign Prostatic Hyperplasia</a></em></li> <li><em><a href="https://www.radiologyinfo.org/en/info/acs-right-lower-quadrant-pain">Right-Lower Quadrant Pain</a></em></li> </ul> </div> <p class="top-link"><a class="top" href="#top">top of page</a></p> <p class="reviewdate"> This page was reviewed on May 01, 2023 </p> <form action="/formbuilder?sc_site=radinfo&fxb.FormItemId=c5898a94-8203-4a58-a474-3d7a7312cf0e&fxb.HtmlPrefix=fxb.d3510dac-d897-4330-92d8-1442cb12f24e" data-ajax="true" data-ajax-method="Post" data-ajax-mode="replace-with" data-ajax-success=" jQuery.validator.unobtrusive.parse('#fxb_d3510dac-d897-4330-92d8-1442cb12f24e_c5898a94-8203-4a58-a474-3d7a7312cf0e'); jQuery.fxbFormTracker.texts=jQuery.fxbFormTracker.texts||{}; jQuery.fxbFormTracker.texts.expiredWebSession='Your session has expired. Please refresh this page.'; jQuery.fxbFormTracker.parse('#fxb_d3510dac-d897-4330-92d8-1442cb12f24e_c5898a94-8203-4a58-a474-3d7a7312cf0e'); jQuery.fxbConditions.parse('#fxb_d3510dac-d897-4330-92d8-1442cb12f24e_c5898a94-8203-4a58-a474-3d7a7312cf0e')" data-ajax-update="#fxb_d3510dac-d897-4330-92d8-1442cb12f24e_c5898a94-8203-4a58-a474-3d7a7312cf0e" data-sc-fxb="c5898a94-8203-4a58-a474-3d7a7312cf0e" enctype="multipart/form-data" id="fxb_d3510dac-d897-4330-92d8-1442cb12f24e_c5898a94-8203-4a58-a474-3d7a7312cf0e" method="post"><input id="fxb_d3510dac-d897-4330-92d8-1442cb12f24e_FormSessionId" name="fxb.d3510dac-d897-4330-92d8-1442cb12f24e.FormSessionId" type="hidden" value="2432a95f-d075-4411-aff1-3fcb3527c76d" /><input id="fxb_d3510dac-d897-4330-92d8-1442cb12f24e_IsSessionExpired" name="fxb.d3510dac-d897-4330-92d8-1442cb12f24e.IsSessionExpired" type="hidden" value="0" /><input name="__RequestVerificationToken" type="hidden" value="6qrsYC9H3iJNUsitUJ7dIYPqCEn6j3O758-O-zGHJBAUJ_jYPF0UTuLScD_fvEeawEkJiAVmAF68V4J5rA8DD5fJt2fxxzCTzanfBnLb6Zc1" /><input id="fxb_d3510dac-d897-4330-92d8-1442cb12f24e_FormItemId" name="fxb.d3510dac-d897-4330-92d8-1442cb12f24e.FormItemId" type="hidden" value="c5898a94-8203-4a58-a474-3d7a7312cf0e" /><input id="fxb_d3510dac-d897-4330-92d8-1442cb12f24e_PageItemId" name="fxb.d3510dac-d897-4330-92d8-1442cb12f24e.PageItemId" type="hidden" value="1a4ee31a-099d-4f72-98f1-d41cb7d7de8f" /> <div class="feedback-content"> <h2 class="dontsplit">Send us your feedback</h2><div class=""> <div class=""> <div class="radiobutton"> <input id="fxb_d3510dac-d897-4330-92d8-1442cb12f24e_Fields_Index_31d3a273-ebea-4047-9ddb-54dd1f05258c" name="fxb.d3510dac-d897-4330-92d8-1442cb12f24e.Fields.Index" type="hidden" value="31d3a273-ebea-4047-9ddb-54dd1f05258c" /><input id="fxb_d3510dac-d897-4330-92d8-1442cb12f24e_Fields_31d3a273-ebea-4047-9ddb-54dd1f05258c__ItemId" name="fxb.d3510dac-d897-4330-92d8-1442cb12f24e.Fields[31d3a273-ebea-4047-9ddb-54dd1f05258c].ItemId" type="hidden" value="31d3a273-ebea-4047-9ddb-54dd1f05258c" /><label class="radio-label">Did you find the information you were looking for?</label> <label> <input type="radio" name="fxb.d3510dac-d897-4330-92d8-1442cb12f24e.Fields[31d3a273-ebea-4047-9ddb-54dd1f05258c].Value" value="Sí" data-sc-tracking="True" data-sc-field-name="DidYouFind" />Yes </label> <label> <input type="radio" name="fxb.d3510dac-d897-4330-92d8-1442cb12f24e.Fields[31d3a273-ebea-4047-9ddb-54dd1f05258c].Value" value="No" data-sc-tracking="True" data-sc-field-name="DidYouFind" />No </label> <span class="field-validation-valid" data-valmsg-for="fxb.d3510dac-d897-4330-92d8-1442cb12f24e.Fields[31d3a273-ebea-4047-9ddb-54dd1f05258c].Value" data-valmsg-replace="true"></span> </div> </div> <p class="">Please type your comment or suggestion into the text box below. <strong>Note:</strong> we are unable to answer specific questions or offer individual medical advice or opinions.</p><div class="feedback-form-group"> <input id="fxb_d3510dac-d897-4330-92d8-1442cb12f24e_Fields_Index_07ddddd8-2ff4-49d3-8489-a68ad70fc985" name="fxb.d3510dac-d897-4330-92d8-1442cb12f24e.Fields.Index" type="hidden" value="07ddddd8-2ff4-49d3-8489-a68ad70fc985" /><input id="fxb_d3510dac-d897-4330-92d8-1442cb12f24e_Fields_07ddddd8-2ff4-49d3-8489-a68ad70fc985__ItemId" name="fxb.d3510dac-d897-4330-92d8-1442cb12f24e.Fields[07ddddd8-2ff4-49d3-8489-a68ad70fc985].ItemId" type="hidden" value="07ddddd8-2ff4-49d3-8489-a68ad70fc985" /><label for="fxb_d3510dac-d897-4330-92d8-1442cb12f24e_Fields_07ddddd8-2ff4-49d3-8489-a68ad70fc985__Value" class="">Comments:</label> <textarea id="fxb_d3510dac-d897-4330-92d8-1442cb12f24e_Fields_07ddddd8-2ff4-49d3-8489-a68ad70fc985__Value" name="fxb.d3510dac-d897-4330-92d8-1442cb12f24e.Fields[07ddddd8-2ff4-49d3-8489-a68ad70fc985].Value" class="form-control" rows="4" maxlength="512" placeholder="Comments" data-sc-tracking="True" data-sc-field-name="ccomments" ></textarea> <span class="field-validation-valid" data-valmsg-for="fxb.d3510dac-d897-4330-92d8-1442cb12f24e.Fields[07ddddd8-2ff4-49d3-8489-a68ad70fc985].Value" data-valmsg-replace="true"></span> </div> <div class=""> <input id="fxb_d3510dac-d897-4330-92d8-1442cb12f24e_Fields_Index_33256dc9-6aa2-44fe-9b38-2279253a8404" name="fxb.d3510dac-d897-4330-92d8-1442cb12f24e.Fields.Index" type="hidden" value="33256dc9-6aa2-44fe-9b38-2279253a8404" /><input id="fxb_d3510dac-d897-4330-92d8-1442cb12f24e_Fields_33256dc9-6aa2-44fe-9b38-2279253a8404__ItemId" name="fxb.d3510dac-d897-4330-92d8-1442cb12f24e.Fields[33256dc9-6aa2-44fe-9b38-2279253a8404].ItemId" type="hidden" value="33256dc9-6aa2-44fe-9b38-2279253a8404" /><input id="fxb_d3510dac-d897-4330-92d8-1442cb12f24e_Fields_33256dc9-6aa2-44fe-9b38-2279253a8404__Value" name="fxb.d3510dac-d897-4330-92d8-1442cb12f24e.Fields[33256dc9-6aa2-44fe-9b38-2279253a8404].Value" class="" type="hidden" value="" /> <script type="text/javascript"> var hiddenField = document.getElementById("fxb_d3510dac-d897-4330-92d8-1442cb12f24e_Fields_33256dc9-6aa2-44fe-9b38-2279253a8404__Value"); hiddenField.value = window.location.href; var parent = hiddenField.parentNode; if (parent.classList.contains("sc-formdesign-fieldcontainer")) { var textDiv = document.createElement("div"); textDiv.innerHTML = "(Hidden referring URL field)"; parent.appendChild(textDiv); } </script> </div> <div class=""> <input id="fxb_d3510dac-d897-4330-92d8-1442cb12f24e_Fields_Index_a0c5b025-8877-4a30-aa49-5669e08fccb1" name="fxb.d3510dac-d897-4330-92d8-1442cb12f24e.Fields.Index" type="hidden" value="a0c5b025-8877-4a30-aa49-5669e08fccb1" /><input id="fxb_d3510dac-d897-4330-92d8-1442cb12f24e_Fields_a0c5b025-8877-4a30-aa49-5669e08fccb1__ItemId" name="fxb.d3510dac-d897-4330-92d8-1442cb12f24e.Fields[a0c5b025-8877-4a30-aa49-5669e08fccb1].ItemId" type="hidden" value="a0c5b025-8877-4a30-aa49-5669e08fccb1" /> <div id="fxb_d3510dac-d897-4330-92d8-1442cb12f24e_Fields_a0c5b025-8877-4a30-aa49-5669e08fccb1__CaptchaValue_wrapper"></div> <input id="fxb_d3510dac-d897-4330-92d8-1442cb12f24e_Fields_a0c5b025-8877-4a30-aa49-5669e08fccb1__CaptchaValue" name="fxb.d3510dac-d897-4330-92d8-1442cb12f24e.Fields[a0c5b025-8877-4a30-aa49-5669e08fccb1].CaptchaValue" type="hidden" class="fxt-captcha" data-val-required="Please confirm you are not a robot." data-val="true" /> <span class="field-validation-valid" data-valmsg-for="fxb.d3510dac-d897-4330-92d8-1442cb12f24e.Fields[a0c5b025-8877-4a30-aa49-5669e08fccb1].CaptchaValue" data-valmsg-replace="true"></span> <script type="text/javascript"> var reCaptchaArray = reCaptchaArray || []; reCaptchaArray.push( function() { var _captchaInput = window.document.getElementById('fxb_d3510dac-d897-4330-92d8-1442cb12f24e_Fields_a0c5b025-8877-4a30-aa49-5669e08fccb1__CaptchaValue'); window.grecaptcha.render('fxb_d3510dac-d897-4330-92d8-1442cb12f24e_Fields_a0c5b025-8877-4a30-aa49-5669e08fccb1__CaptchaValue_wrapper', { 'sitekey': '6LdWABoTAAAAAHi0J9yPV-yoAro2e34-jI9e1Lh3', 'callback': function(token) { _captchaInput.value = token; }, 'expired-callback': function(args) { _captchaInput.value = ''; } }); } ); </script> <script src="https://www.google.com/recaptcha/api.js?onload=loadReCaptchas&render=explicit&hl=en" async defer></script> <input value="Submit" type="submit" class="button inverse" name="fxb.d3510dac-d897-4330-92d8-1442cb12f24e.bd0091f4-9cdd-433c-b78e-66b3503eed88" /> <input id="fxb_d3510dac-d897-4330-92d8-1442cb12f24e_NavigationButtons" name="fxb.d3510dac-d897-4330-92d8-1442cb12f24e.NavigationButtons" type="hidden" value="bd0091f4-9cdd-433c-b78e-66b3503eed88" /> <input id="fxb_d3510dac-d897-4330-92d8-1442cb12f24e_bd0091f4-9cdd-433c-b78e-66b3503eed88" name="fxb.d3510dac-d897-4330-92d8-1442cb12f24e.bd0091f4-9cdd-433c-b78e-66b3503eed88" type="hidden" value="1" /> <input value="Clear form" type="reset" class="button cancel" name="fxb.d3510dac-d897-4330-92d8-1442cb12f24e.a6038e2c-e11b-4ee7-9e01-5822ff7b7e05" /> </div> <!-- <strong>Help improve RadiologyInfo.org by taking our brief <a href="/en/sitesurvey">survey</a></strong> --> </div> </div> <input type="hidden" data-sc-fxb-condition value='{}'/> </form> </div> </div> <div id="ri-rtcol" class="col-md-4"> <script language="javascript"> function jwPlayerCallBackPlayer1() { var player1 = jwplayer("player1"); player1.setup({ image: "https://www.radiologyinfo.org/-/media/radinfo/gallery-items/videothumbs/holvan/ri-nephrostomy-kidney-stone-removal-2019-11-06_1080.jpg?rev=3e6286d930b74b7d9ab624791ee23c21&hash=D6DC8CF199D3B2598447C8539B96D081", mediaid: "0AhUvCMO", width: "100%", aspectratio: "16:9", skin: { "name": "ri-jwp" }, sources: [ { file: "https://cdn.jwplayer.com/manifests/0AhUvCMO.m3u8", "default": "true", type: 'mp4' } ] }); player1.on('play', function() { pausePlayers(1); }); } </script> <div class="row"> <div id="video1" class="hidden-md hidden-sm hidden-xs col-lg-12"> <div id="player1" > </div> </div> </div> <p class="colorhead dontsplit">Images</p> <div id="galModal0" class="modal fade galModal" aria-labelledby="galleryheading0" aria-hidden="true" style="display: none;"> <div class="modal-dialog"> <div class="modal-content"> <div class="modal-header"> <button type="button" class="close" data-dismiss="modal" aria-hidden="true">脳</button> <h2 id="galleryheading0" class="modal-title dontsplit">Image Gallery</h2> </div> <div class="modal-body"> <p> <img class="img-responsive" src="https://www.radiologyinfo.org/-/media/radinfo/gallery-items/images/a-to-d/ct-patient-and-radiologic-technologists.jpg?rev=621b3c9219e94b13a7a564f480b85e27&hash=BE2F15CDDE3E97F3D8755A68044FD657" alt="Radiologic technologists review a medical chart before performing a computed tomography (CT) exam."> </p> <p>Radiologic technologists review a medical chart before performing a computed tomography (CT) exam.</p> </div> </div> </div> </div> <a href="#" data-toggle="modal" data-target="#galModal0"> <div class="photoholder" id="friendlyimage0"> <img class="img-responsive" src="https://www.radiologyinfo.org/-/media/radinfo/gallery-items/images/a-to-d/ct-patient-and-radiologic-technologists.jpg?rev=621b3c9219e94b13a7a564f480b85e27&hash=BE2F15CDDE3E97F3D8755A68044FD657" alt="Radiologic technologists review a medical chart before performing a computed tomography (CT) exam."> <span class="enlarge">View full size with caption</span> </div> </a> <div id="pediatric"> <p class="colorhead dontsplit">Pediatric Content</p> <div class="left-pad"> <!-- <p class="ped-graphic small">Some imaging tests and treatments have special pediatric considerations. The teddy bear denotes child-specific content.</p> --> <div class="ped-blurb-container"> <div class="ped-img-container"><img height="42" alt="Pediatric" src="https://www.radiologyinfo.org/-/media/images/radinfo/sprites/pediatric.svg?rev=9a4f35ca4a324a7dad54f6768eba67c7&hash=923AF452BA66C4D55FC6A9944312AA63" /></div> <div id="ped-blurb-text">Some imaging tests and treatments have special pediatric considerations. The hand denotes child-specific content.</div> </div> </div> </div> <div id="related"> <p class="colorhead dontsplit">Related Articles and Media</p> <div class="left-pad"> <ul> <li class="dontsplit"><a class="fullURL" href="https://www.radiologyinfo.org/en/info/abdominct">Abdominal and Pelvic CT</a></li> <li class="dontsplit"><a class="fullURL" href="https://www.radiologyinfo.org/en/info/abdominus">Abdominal Ultrasound</a></li> <li class="dontsplit"><a class="fullURL" href="https://www.radiologyinfo.org/en/info/abdomus-pdi">Pediatric Ultrasound - Abdomen</a></li> <li class="dontsplit"><a class="fullURL" href="https://www.radiologyinfo.org/en/info/bph">Enlarged Prostate (BPH)</a></li> <li class="dontsplit"><a class="fullURL" href="https://www.radiologyinfo.org/en/info/hematuria">Hematuria or Blood in Urine</a></li> <li class="dontsplit"><a class="fullURL" href="https://www.radiologyinfo.org/en/info/ivp">Intravenous Pyelogram (IVP)</a></li> <li class="dontsplit"><a class="fullURL" href="https://www.radiologyinfo.org/en/info/pedia-ct">Pediatric CT</a></li> <li class="dontsplit"><a class="fullURL" href="https://www.radiologyinfo.org/en/info/pelvus">Pelvis Ultrasound</a></li> <li class="dontsplit"><a class="fullURL" href="https://www.radiologyinfo.org/en/info/ureteralnephro">Ureteral Stenting and Nephrostomy</a></li> <li class="dontsplit"><a class="fullURL" href="https://www.radiologyinfo.org/en/info/urography">Urography</a></li> <li class="dontsplit"><a class="fullURL" href="https://www.radiologyinfo.org/en/info/ultrasound-renal">Renal Ultrasound</a></li> </ul> <ul id="related-images-and-videos"> <li class="dontsplit"> <a href="https://www.radiologyinfo.org/en/search?usableOn=08447a0089dd4346824648dea6c88ec8&type=2"> Images related to Kidney and Bladder Stones </a> </li> </ul> </div> </div> <div id="kidslink" class="left-pad"> <ul><li class="dontsplit"><a href="https://www.radiologyinfo.org/en/for-kids">RadInfo 4 Kids</a></li></ul> </div> <div class="aboutsite" style="padding-bottom:15px"> <p class="colorhead dontsplit">Sponsored By</p> <div> <a href="https://www.radiologyinfo.org/en/info/about-acr" class="sponsored-logo" aria-label="About ACR" title="About ACR" ><img src="https://www.radiologyinfo.org/-/media/radinfo/logos/new-acr-stacked-color-150x100.png?rev=d183b18e9c8d44cfb353db86ed4443e4&la=en&h=100&w=150&hash=B5E902F5026051C41AE63FEED482CC81" alt="American College of Radiology" /></a><a href="https://www.radiologyinfo.org/en/info/about-rsna" class="sponsored-logo" aria-label="About RSNA" title="About RSNA" ><img src="https://www.radiologyinfo.org/-/media/radinfo/logos/new_rsna_signature_logo_rgb3.png?rev=469d236aa3f94550991351688f86c4af&la=en&h=100&w=150&hash=3A72963E2C57E838B05B27560EAFBA7C" alt="Radiological Society of North America" /></a> </div> </div><div id="eop-info" class="glance small"> <p class="please-note dontsplit" role="heading" aria-level="4">Please note</p> <p><em>RadiologyInfo.org</em> is not a medical facility. Please contact your physician with specific medical questions or for a referral to a radiologist or other physician. To locate a medical imaging or radiation oncology provider in your community, you can search the <a class="externalURL" rel="noopener noreferrer" href="https://www.acraccreditation.org/accredited-facility-search" target="_blank">ACR-accredited facilities database</a>. </p> <p><strong>This website does not provide cost information.</strong> The costs for specific medical imaging tests, treatments and procedures may vary by geographic region. Discuss the fees associated with your prescribed procedure with your doctor, the medical facility staff and/or your insurance provider to get a better understanding of the possible charges you will incur.</p> <p><strong>Web page review process:</strong> This Web page is reviewed regularly by a physician with expertise in the medical area presented and is further reviewed by committees from the Radiological Society of North America (RSNA) and the American College of Radiology (ACR), comprising physicians with expertise in several radiologic areas.</p> <p><strong>Outside links:</strong> For the convenience of our users, <em>RadiologyInfo</em>.org provides links to relevant websites. <em>RadiologyInfo.org</em>, RSNA and ACR are not responsible for the content contained on the web pages found at these links.</p> </div> </div> </div> <div class="row" style="clear:both;"> <footer class="col-xs-12"> <div id="footer-nav"> <a href="https://www.radiologyinfo.org/en/about-us" >About</a> | <a href="https://www.radiologyinfo.org/en/contact-us" >Contact</a> | <a href="https://www.radiologyinfo.org/en/faq" >FAQ</a> | <a href="https://www.radiologyinfo.org/en/glossary-index" >Glossary</a> | <a href="https://www.radiologyinfo.org/en/downloads" >Physician Resources</a> | <a href="https://www.radiologyinfo.org/en/professions" >Professions</a> | <a href="https://www.radiologyinfo.org/en/sitemap" >Site Map</a> | <a href="https://www.radiologyinfo.org/en/info/about-privacy" >Privacy</a> | <a href="https://www.radiologyinfo.org/en/info/about-terms-of-use" >Terms of Use</a> <br> <a href="https://www.facebook.com/radiologyinfo?ref=sgm" aria-label="Follow us on Facebook" target="_blank" title="Facebook" rel="noopener noreferrer" role="button" > <span class="radinfo-facebook"></span> </a> <a href="https://x.com/radiologyinfo_" aria-label="Follow us on X" target="_blank" title="X (formerly Twitter)" rel="noopener noreferrer" role="button" > <span class="radinfo-twitter"></span> </a> <a href="https://www.instagram.com/radinfo4patients/" aria-label="Follow us on Instagram" target="_blank" title="Instagram" rel="noopener noreferrer" role="button" > <span class="radinfo-rss"></span> </a> </div> <p class="small"> Copyright © 2025 Radiological Society of North America, Inc. (RSNA).<br> To help ensure current and accurate information, we do not permit copying but encourage linking to this site. </p> </footer> </div> <script src="https://ajax.googleapis.com/ajax/libs/jquery/1.10.2/jquery.min.js"></script> <script src="https://maxcdn.bootstrapcdn.com/bootstrap/3.3.5/js/bootstrap.min.js"></script> <!-- skip feedback form --> <script src="https://cdnjs.cloudflare.com/ajax/libs/jquery-validate/1.15.0/jquery.validate.min.js"></script> <script src="https://cdnjs.cloudflare.com/ajax/libs/jquery-validate/1.15.0/additional-methods.min.js"></script> <script src="/bundles/feedback.js?v="></script> <script> // PREVENT CACHING OF GLOSSARY PAGE IN MODAL $(document).ready(function () { $(".modal").on('hidden.bs.modal', function () { $(this).data('bs.modal', null); }); }); </script> <div class="modal fade" id="glModal" tabindex="-1" role="dialog"> <div class="modal-dialog"> <div class="modal-content"> </div><!-- /modal-content --> </div><!-- /modal-dialog --> </div> <script src="https://cdnjs.cloudflare.com/ajax/libs/knockout/3.3.0/knockout-min.js" type="text/javascript"></script> <script src="/bundles/knockout.js?v=dD2H_HJqhbiQ83vyng5RsXxv1easNhVpxVSoCfZLMaQ1"></script> <script src="/bundles/plugins.js?v=HrBVsItBux0XRaSuTkOvHRqXA8yW3DQS8tUNwHpQxjM1"></script> <script>jwplayer.key = "IDwfFk1/79IiHaen+wLsPVw5txauElXQ7izFmysRKu1C8GN9";</script> </div> <script> function pausePlayers(playing) { for (var i = 1; i < 5; i++) { if (i != playing) { jwplayer("player" + i).pause(true); } } }; if ($.isFunction(window.jwPlayerCallBackPlayer1)) { //execute it jwPlayerCallBackPlayer1(); } if ($.isFunction(window.jwPlayerCallBackPlayer2)) { //execute it jwPlayerCallBackPlayer2(); } if ($.isFunction(window.jwPlayerCallBackPlayer3)) { //execute it jwPlayerCallBackPlayer3(); } if ($.isFunction(window.jwPlayerCallBackPlayer4)) { //execute it jwPlayerCallBackPlayer4(); } </script> <script src="/js/cookie-policy-en.js"></script> <script> $(document).ready(function(){ $('#page-contents').not('.no-columnize').columnize({ padding: 50, width: 500,lastNeverTallest: true }); $('.twoColumns').columnize({ columns: 2,lastNeverTallest: true }); $('li, h1, h2, h3, h4').addClass('dontsplit'); $('.split').removeClass('dontsplit'); }); </script> <script> var fileExtensionsToTrack = ["ashx","pdf","docx","doc","ppt", "mp4","zip","xls","xlsx"]; var includedHosts = ["www.radiologyinfo.org","stage.radiologyinfo.org","dev.radiologyinfo.org","auth.radiologyinfo.org","stageauth.radiologyinfo.org","devauth.radiologyinfo.org"]; $(document).ready(function () { $('body').on('click', 'a', function(event) { var isProd = top.location.host.indexOf("stage") === -1 && top.location.host.indexOf("dev") === -1; var linkHost = this.host; if (linkHost === null || this.getAttribute('href') === null) return; var url = $(this).attr('href').split('?')[0]; //remove query parameters var l = includedHosts.length; var validHost = false; for (var i = 0; i < l; i++) { if (linkHost.indexOf(includedHosts[i]) > -1) { validHost = true; break; } } if (!validHost) return; //make sure the link is to one of the included sites if (!url.startsWith('http')) {//fix relative URLs url = window.location.protocol + '//' + window.location.hostname + url; } var lUrl = url.toLowerCase(); var lastPart = lUrl.substr(lUrl.lastIndexOf('/') + 1); var lIndex = lastPart.lastIndexOf('.'); if (lIndex === -1) return; //exit if the URL has no extension var ext = lastPart.substr(lIndex + 1); //console.log(ext); if (fileExtensionsToTrack.indexOf(ext) > -1) { if (!isProd) console.log("Radinfo GA Tracking Event For: " + url.toLowerCase()); if (isProd) ga('send','event', 'download','click',url.toLowerCase(),0,{'nonInteraction': false}); } }); }); function trackPDFClick(elem) { var isProd = top.location.host.indexOf("stage") === -1 && top.location.host.indexOf("dev") === -1; var el = jQuery(elem); var href = (typeof(el.attr('href')) != 'undefined' ) ? el.attr('href') : ''; href = href.split('?')[0]; //remove query parameters if (!href.startsWith('http')) { href = window.location.protocol + '//' + window.location.hostname + href; } if (isProd) ga('send','event', 'download','click',href.toLowerCase(),0,{'nonInteraction': false}); if (!isProd) console.log("Radinfo GA Tracking Event (trackPDFClick) For: " + href.toLowerCase()); } </script></body> </html>