Research article ureteral dilatation with no apparent cause. It involves the injection of a special substance called contrast that is filtered by the kidneys and helps visualize the urinary tract. The better the dehydration, the higher will be the optimal dose. Subsequently, iodinated contrast material is injected intravenously, ideally via bolus injection. Information intravenous pyelogram intravenous urogram. Pdf combined intravenous urogram and 68gapsma pet ct. Mr urography mru can be used to thoroughly evaluate the renal parenchyma, the pelvicaliceal system, and the rest of the urinary tract in a single imaging study as in ct urography but without radiation exposure and iv contrast administration. Intravenous urography ivu intravenous urography is a check for a urinary tract. The kidneys are a pair of beanshaped organs that allow the body to collect urine and send it to the bladder.
There were no side effects of the intravenous urogram examination. Intravenous pyelography ivp novant health uva health system. Combined intravenous urogram and 68gapsma pet ct for. Ivp intravenous pyelogram ivp is an xray of the urinary tract kidneys, ureters, bladder, and urethra. It is a special xray examination to outline the urinary tract which includes the kidneys, ureters and bladder. In recent years, however, other imaging modalities including ultrasonography us, computed tomography ct, and magnetic resonance mr imaging have been used with increasing frequency to compensate for the limitations of intravenous urography in the evaluation of. Some prefer the term urogram to refer to visualization of the kidney parenchyma, calyces, and pelvis after. In conclusion, ncct is highly sensitive and specific for renal and ureteral calculi but the challenges it faces. Maximum dehydration is not achieved with the usual period of 8 to 12 hours fluid restriction before urography. Our standard procedure for intravenous urography with optional images is outlined in the table 610. During this test we will take xray pictures of your childs kidneys. Hence, ureteral dilatation without any apparent cause on intravenous urogram was found to be clinically signicant in out of. Intravenous urography has long been the cornerstone of the imaging evaluation of urinary tract disease. Indications for intravenous pyelography in trauma sciencedirect.
May 01, 2019 intravenous pyelogram ivp intravenous pyelogram ivp is an xray exam that uses an injection of contrast material to evaluate your kidneys, ureters and bladder and help diagnose blood in the urine or pain in your side or lower back. Chisholm ra, millet b, sherwood t, wraight ep, doyle pt clin radiol, 395. Ppt intravenousurography download powerpoint presentations. Mar 05, 2019 urography urography uses imaging and contrast material to evaluate or detect blood in urine, kidney or bladder stones, and cancer in the urinary tract. Ivu intravenous urogram or ivp intravenous pyelogram.
Is an excretory urogram mandatory in patients with small to. Xrays pass through fluid and soft tissues, but are blocked by more dense or more solid structures such as bones. From a variety of other ways to get the image of the excretory system, the injection of intravenous contrast agent into the traditionally is considered the best and safe way. Nevertheless, utilizing this rapidsequence type of intravenous urography, in a recent series of 200 hypertensive patients wehave been able to suspect renal ischemia with greater than 90 per cent accuracy in. At our institution there is an openaccess policy with regard to requesting ivu studies. Intravenous urography ivu, also referred to as intravenous pyelography ivp or excretory urography eu, is a radiographic study of the renal parenchyma, pelvicalyceal system, ureters and the urinary bladder. As for the existing recommendations, the new proposals are consensusbased because. A series of xrays are taken of the abdomen at various time. If an isolated renal injury is suspected clinically, an emergency ivp is. Intravenous urography ivu still provides the most comprehensive structural assessment of the urinary tract.
Apr 28, 2004 background an intravenous urogram ivu has traditionally been considered mandatory before treating renal and ureteric stones by extracorporeal shock wave lithotripsy eswl. Pdf for many years, intravenous urography ivu was the modality of choice for diagnosing urinary tract abnormalities. Ureteral dilatation with no apparent cause on intravenous urography. Intravenous urography ivu is considered an integral imaging component of the nephrourological workup in a wide array of clinical settings. This exam has been largely replaced by ct urography. View and download powerpoint presentations on intravenous urography ppt. Even in high dose urography, dehydration will improve the concentration of contrast medium. Segmental renal artery occlusions, which have not produced gross morphologic changes, may not be detected except by aortography. The intravenous urogram in the detection and evaluation of renal. This inspection is performed to check whether there is any kidney stones or other kidney problems. In cases with renal insufficiency ri serum creatinine level.
This exam has been largely replaced by ct urography terminology. The study by rud et al suggests that the excretory phase may not be as necessary as previously thought for visualizing upper tract urothelial carcinoma. An ivp may provide enough information to allow your doctor to treat you with medication and avoid surgery. The investigation of painless haematuriaa comparison of intravenous urography and dmsa scintigraphy. The pictures produced are called intravenous urograms ivu or intravenous pyelograms ivp. The ureters are tubes which go from each kidney to your bladder. Intravenous urography an overview sciencedirect topics. Ivu intravenous urogram or ivp intravenous pyelogram an intravenous urogram ivu is a test that looks at the whole of your urinary system. Radiologyinfo web site at to view or download the latest.
An intravenous pyelogram examination helps the radiologist assess. There is greater detail of their internal structure. May 25, 2014 this combination is safer than intravenous urography and should be the initial investigation for such patients. Mru is limited by longer examination times than for ct urography, decreased spatial resolution, and an. On arrival in the xray department, please report to the reception desk. The traditional intravenous urogram has largely been replaced by a combination of ultrasound and ct urography. An intravenous urogram ivu is a special type of xray test that uses a contrast dye injected into your childs bloodstream. The study by renardpenna et al provides a useful rigorous expert consensus on ct urography technique. Research article ureteral dilatation with no apparent. Intravenous pyelography ivp, also called intravenous urography, uses xrays to produce pictures of the urinary tract, which includes the kidneys, bladder, ureters and urethra. Intravenous pyelogram definition of intravenous pyelogram. Pdf analysis of intravenous urography findings in a tertiary.
For decades, intravenous urography has been the primary imaging modality for evaluation of the urinary tract. Diagnostic accuracy of ivu compared to unenhanced ct. This is a short presentation for my students, not a complete lecture. Until recently, it was considered to be the gold standard for imaging in acute renal colic. Delayed films up to 48 hours were routinely done in patients suspected ofhaving obstruction. An intravenous pyelogram ivp is an xray examination of the kidneys. Intravenous urogram synonyms, intravenous urogram pronunciation, intravenous urogram translation, english dictionary definition of intravenous urogram. Jun 27, 20 identify the structures labelled af in this diagnostic intravenous urogram. An intravenous pyelogram ivp, also called an intravenous urogram ivu, is a radiological procedure used to visualize abnormalities of the urinary system, including the kidneys, ureters, and bladder. For the radiological study of ureter, bladder and intra renal collecting system, intravenous urography ivu has been used as modality of choice for a long time. With an injection of a special dye called contrast medium, the kidneys show up better than on an ordinary plain xray. It is also possible to assess roughly how well each kidney is working. Any information contained in this pdf file is automatically generated from digital.
Intravenous urogram ivu pediatric radiology childrens. Feb 09, 2016 an ivu intravenous urography is an xray of your urinary tract consisting of kidneys, ureters and bladder following an injection of a clear dye called contrast into a vein in your arm. Forty patients age 019 years were identified over a two year period in whom the differential renal uptake was 10%, who had smooth renal outlines, and had no evidence of scarring. Unlike a kidneys, ureters, and bladder xray kub, which is a plain that is, noncontrast radiograph, an ivp uses contrast to highlight the urinary tract. Jun 20, 2016 intravenous urography also known as intravenous pyelography is an xray procedure which is used to assess problems in your kidneys, ureters, bladder and urethra. The aim of this process was again to standardise paediatric uroradiologic imaging and to reduce invasiveness and radiation dose. Computed tomography urography an overview sciencedirect. As an imaging study, it combines anatomic accuracy with qualitative information regarding renal function and obstruction. Ct has the advantage of being highly sensitive for the detection of stones, including those that may be radiolucent on plain film, allows the characterization of renal lesions and the detection of ureteric lesions, and demonstrates the. To examine the value of an intravenous urogram ivu in patients with abnormal differential 99mtc dimercaptosuccinic acid dmsa uptake without scarring or ultrasound abnormality. What is an intravenous pyelogram ivp or intravenous urogram ivu.
Mohamed abou elghar, huda refaie, doaa sharaf, tarek. An ivu intravenous urography is an xray of your urinary tract consisting of kidneys, ureters and bladder following an injection of a clear dye called contrast into a vein in your arm. Manual on contrast media reports that studies show the amount of contrast. Although for a time opinions were in doubt as to the diagnostic value of intravenous urography as compared with retrograde pyelography in adults, it was at once.
Is intravenous urography required when ultrasonography and kub evidence a ureteroscopy plan. This combination is safer than intravenous urography and should be the initial investigation for such patients. The preliminary kidney, ureter, bladder kub radiograph is an indispensable. Download the pdf to view the article, as well as its associated figures and tables. Mohamed abou elghar, huda refaie, doaa sharaf, tarek eldiasty radiology department, urology and nephrology center, mansoura university, mansoura, egypt abstract. In pocket companion to brenner and rectors the kidney eighth edition, 2011. An xray of the renal pelvises and the urinary tract made with a radiopaque contrast medium that is injected intravenously and excreted by. An intravenous urogram ivu is a test that shows us how your kidneys work. Urography is also often performed using computed tomography ct or magnetic resonance imaging mri. A computed tomography urography ct urography or ct urogram is a computed tomography scan that examines the urinary tract after contrast dye is injected into a vein in a ct urogram, the contrast agent is through a cannula into a vein, allowed to be cleared by the kidneys and excreted through the urinary tract as part of the urine. An intravenous urogram ivu showed 81% sensitivity and 89% specificity, while noncontrast computed tomography ncct had sensitivity and specificity of 95% and 97%, respectively. A noncontrast computed tomography and intravenous urography.
Intravenous urography ivu introduction and definition biology. Pdf combined intravenous urogram and 68gapsma pet ct for. Intravenous urography reveals dilated collecting ducts on early and delayed films without. All patients received high doses of conray 420 or urotrast. Pdf retroperitoneal fibrosis with normal intravenous urogram. Timed, sequential images of the kidneys and remainder of the genitourinary system are then. Intravenous means within a vein, as the dye travels in veins. May 22, 2010 the espr working groups have addressed intravenous urography ivu, uroct and mr urography mru in childhood as the last in the series of recommendations for paediatric uroradiology. Role of intravenous urogram in investigation of urinary. Find powerpoint presentations and slides using the power of, find free presentations research about intravenous urography ppt. The intravenous urogram ivu is also known as the intravenous pyelogram ivp. Even in high dose urography, dehydration will improve the concentration of contrast medium in the urine in patients with normal renal function. In april 2017, we updated our protocol to include a modified intravenous urogram. Please visit the radiologyinfo web site at to view or download the.
Computer tomography ict an electronic, ict has a better contrast sensitivity. Our standard procedure for intravenous urography with optional. Intravenous urography also known as intravenous pyelography is an xray procedure which is used to assess problems in your kidneys, ureters, bladder and urethra. To analyze intravenous urography ivu findings in a tertiary reference center. Historically, intravenous urography ivu was the radiographic modality of choice for noninvasive assessment of the urinary tract. The urethra is the tube from your bladder that passes out urine. Jan 17, 2020 there is great variation in the ct urogram protocol throughout the literature. Renal function impairment caused by intravenous urography. Please visit the radiologyinfo web site at to view or download. Intravenous urography in childhood pediatric radiology. Is an excretory urogram mandatory in patients with small.
Excretory urography intravenous urography, intravenous pyelography is a diagnostic test used to visually clarify renal function in the canine patient, allowing contrast mediaenhanced visualization of the kidneys, ureters, urinary bladder and urethra. Standard intravenous urography like any other imaging study, intravenous urography should ideally be tailored to answer a speci. When an intravenous injected, most of the contrast media to be secreted by the kidneys. Is intravenous urography required when ultrasonography and. For many years, intravenous urography ivu was the modality of choice for diagnosing urinary tract abnormalities. Urography with conventional xray is known as intravenous pyelogram ivp. Aghamir sm1, modaresi ss, salavati a, aloosh m, meysami ap. Radt 210 positioning iii san diego mesa college radiography program subscribe for more videos like this. Excretory urography intravenous pyelography relies on the administration of intravenous. Renal function was evaluated before and after intravenous urography ivu in 124 randomly selected patients. Problematic areas may be evaluated at fluoroscopy, and compression improves upper tract distention. A pilot study vinitarathi,sachinagrawal,shuchibhatt,andnaveensharma university college of medical sciences and guru teg bahadur hospital, dilshad garden, delhi, india correspondence should be addressed to vinita rathi.
757 249 175 1121 464 784 1391 1605 63 586 869 1576 164 561 1436 356 991 729 20 478 1536 75 1121 543 840