Retrograde pyelography definition of retrograde pyelography. For some, this is a misnomer and a test that images intravenous contrast as it travels through the kidney parenchyma into the urinary collecting system should only be called intravenous urography. Retrograde pyelography uses a special dye contrast agent injected into the ureters. To avoid collectionsystem overdistention, we routinely aspi. An intravenous pyelogram lets your doctor view your kidneys, your bladder and the tubes that carry urine from your kidneys to your bladder ureters. We report our experience with 107 percutaneous antegrade pyelograms in 79 children aged between 3 days and 14 years. Antegrade pyelography is the procedure used to visualize the upper collecting system of the urinary tract, i. Retrograde pyelography is performed when the ureters are poorly visualized on. Thus, there are multiple names for this particular radiological procedure which is ultimately employed when it comes to visualizing various abnormalities which might affect ones. Pdf antegrade pyelography versus unenhanced multidetector ct. An intravenous pyelogram can show the size, shape, and position of the urinary tract, and it can evaluate the collecting system inside the kidneys. Intravenous pyelogram ivp urethral trauma kidney renal abscess.
Intravenous pyelography ivp is most commonly performed to determine. In 14 patients information was obtained which could not be afforded by any other technique. An intravenous pyelogram may be used to diagnose disorders that affect the. Unlike a kidneys, ureters, and bladder xray kub, which is a plain that is, noncontrast radiograph, an ivp uses contrast to highlight. It takes images of your kidneys, bladder, and ureters. Intravenous urography has long been the cornerstone of the imaging. Pyelography or pyelogram refers to imaging of the urinary collecting system the term is most often encountered in intravenous pyelography or ivp. The complications of retrograde pyelography are same as that of antegrade pyelography. An antegrade pyelogram is an imaging test to find a blockage obstruction in the upper urinary tract. Ultrasoundguided percutaneous antegrade pyelography with computed tomography for the diagnosis of spontaneous partial ureteral rupture in a dog article pdf available in the canadian veterinary.
The ureters are the narrow tubes that carry urine from the kidneys to the bladder. The diagnosis of hydronephrosis by percutaneous renal puncture. Pdf ultrasoundguided percutaneous antegrade pyelography. Pyelography definition, the science or technique of making photographs of the kidneys, renal pelves, and ureters by means of xrays, after the injection of an opaque solution or of a radiopaque dye. Waterenhanced antegrade mr pyelography was a safe and effective method of imaging the pregnant patient. The reported sensitivity of ivp technique to detect urine leakage in humans is indeed low i. The mixture fabricates the ureters and kidneys more easily seen on the xray. An xray radiograph is a noninvasive medical test that helps physicians diagnose and treat medical conditions. But with ivp, the dye is injected into a vein instead of the ureter. An intravenous pyelogram ivp is a special xray examination of the kidneys, bladder, and ureters. Antegrade urography definition of antegrade urography by. The term is most often encountered in intravenous pyelography or ivp.
The sensitivity, specificity and accuracy values of each test alone sensitivity specificity accuracy % % % ivp 87. 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. A case of massive hydronephrosis secondary to a ureteral valve was discovered upon evaluation of mild trauma. Pyelography is a procedure which goes by various other names such as intravenous pyelogram, intravenous pyelography, intravenous urogram, simply pyelogram and so on. It is commonly used to diagnose upper tract obstruction, hydronephrosis, and ureteropelvic. Jun 28, 2019 retrograde pyelography is a procedure commonly used by urologists involving xray imaging to visualize the kidneys, bladder and ureters. There may be additional problems such as a urinary tract infections. Retrograde pyelography is a sort of xray utilized to obtain comprehensive pictures of the ureters and kidneys.
Antegrade and retrograde pyelography linkedin slideshare. Learn vocabulary, terms, and more with flashcards, games, and other study tools. A urogram may demonstrate partial obstruction, hydroureteronephrosis, and drainage into the vagina. Imaging with xrays involves exposing a part of the body to a small dose of.
The orderly diagnostic studies, including ultrasonography and antegrade pyelography, led to the correct diagnosis and appropriate therapy. Intravenous pyelogram in which a contrast solution is introduced through a vein into the circulatory system. Intravenous pyelography ivp pituitary network association. Antegrade pyelography definition of antegrade pyelography. This procedure is usually performed by a urologist. Retrograde pyelography is used when ivp doesnt give a very good picture. An intravenous pyelogram pieuhlowgram, also called an excretory urogram, is an xray exam of your urinary tract. The procedure involves introducing contrast into the urinary system in a retrograde fashion with simultaneous imaging using dynamic fluoroscopy. Intravenous pyelography ivp is a diagnostic test that uses xrays and a contrast dye to image the kidneys, bladder, and ureters for kidney stones, bladder stones, uti and related issues. An alternative to the retrograde pyelography is antegrade pyelography, usually performed by an interventional radiologist.
Ultrasound and intravenous pyelogram ivp imaging showed multiple calculi in a. Intravenous pyelography medical procedure britannica. Synonyms for antegrade pyelography in free thesaurus. Retrograde pyelography was the first method devised for imaging the urinary collecting system, and until the development of early ivu agents in the 1930s, it was the only way of imaging the collecting system. Intravenous pyelography is usually done to look for a block in the flow of urine. Retrograde pyelography uses a special mixture, injected into the ureters. Since then many kinds of iodine derivatives have been tried, some of them toxic to the subject, until the use of sodium iodide in 10 to 12% solution was established as being free from danger. In antegrade pyelography the contrast medium is injected through the skin into the renal pelvis. An xray imaging procedure called intravenous pyelography, in which an injectable dye travels into the urinary tract and enhances xray image contrast, may also be used.
The dye makes the ureters and kidneys more easily seen on the xray. Intravenous urography is a radiographic study of the urinary system using an intravenous contrast agent dye of the many ways to obtain images of the urinary system, the intravenous injection of a contrast agent has been traditionally considered the best, although other modalities, such as computed tomography ct or ultrasound, are better for some disease. Pyelography definition and meaning collins english dictionary. Overview also known as ivp, pyelography, intravenous urogram or ivu is a radiological procedure used to visualize abnormalities of the urinary system, including the kidneys, ureters, and bladder gives a comprehensive view of the patients anatomy and some information on the functioning of the renal system usually done to patient with severe renal colic and a positive hematuria test used as a. This technique has been infrequently used in the past and should now be revived. It served as an alternative to conventional antegrade pyelography and minimised potential risks to the foetus. After an iodinebased contrast dye is injected into a vein, a series of images are taken at timed intervals. This dye, also known as contrast medium, is iodinebased and allows doctors to see parts of the body that do not otherwise show up on xrays. In addition, laboratory tests can detect specific chemical markers that. Methods of assessing obstruction in dilated ureters. An xray examination specifically designed to study the kidneys, bladder, and ureters the tubes carrying urine from the kidneys to the bladder. Merrills atlas of radiographic positioning, 9th ed. Antegrade pyelography article about antegrade pyelography. Retrograde pyelography is a form of xray used to get detailed pictures of the ureters and kidneys.
Retrograde pyelography is used by many urologists to visualize the ureters and collecting system of the kidney. Ultrasoundguided percutaneous antegrade pyelography with. Antegrade pyelography for suspected ureteral obstruction in. In the present case, a small amount of free retroperitoneal fluid was also noted in the left retroperitoneal space, which may have been due to the. In retrograde, or ascending, pyelography, the contrast medium is injected with a cystoscope and a ureteral catheter. Xray photography of the renal pelvises and the urinary tract in which visualization is enabled by the injection with a radiopaque contrast medium. Antegrade mdct pyelography for the evaluation of patients. Refer to the genitourinary system table at the end of the book for related tests by body system. Retrograde pyelography does not evaluate the kidney parenchyma and requires cystoscopy to place the catheters. An intravenous pyelogram ivp is a test that uses an xray and dye to show your kidneys and urinary tract. Pyelography medical definition merriamwebster medical. An antegrade pyelogram is an imaging test to find a blockage in the upper urinary tract. Antegrade pyelography synonyms, antegrade pyelography.
Magnetic resonance imaging, percutaneous nephrostomy, antegrade mr pyelography, pregnancy, urologic diseases key points. Intravenous pyelography how is intravenous pyelography. Jan 16, 2019 retrograde pyelography is used by many urologists to visualize the ureters and collecting system of the kidney. Antegrade pyelography definition of antegrade pyelography by. Retrograde pyelography an overview sciencedirect topics. Ivp, or retrograde pyelogram if ivp is equivocal, is of paramount importance in excluding a ureterovaginal fistula present. Antegrade pyelogram health encyclopedia university of. In that test, the contrast dye was injected into a vein instead of into your kidney or ureter. Ivp abbreviation stands for intravenous pyelography. In excretory urography, the contrast medium is injected intravenously. Your urinary tract includes the kidneys, ureters, and bladder.
Laparoscopicguided percutaneous nephrolithotomy in a. Histone methyl transferase ezh2 inhibitor e7438, nci thesaurus also called intravenous pyelography. It is done in cases where excretory or retrograde pyelography has failed or contraindicated, or when a nephrostomy tube is in place or delineation of upper tract is desired. What is the abbreviation for intravenous pyelography.
Puncture of the pelvicaliceal system failed in 10% of cases. An intravenous pyelogram ivp is an xray examination of the kidneys, ureters and urinary bladder that uses iodinated contrast material injected into veins. Other articles where intravenous pyelography is discussed. Mar 27, 2012 pyelography is a procedure which goes by various other names such as intravenous pyelogram, intravenous pyelography, intravenous urogram, simply pyelogram and so on. Oct 01, 20 what is the risk complications for retrograde pyelography. What is the risk complications for retrograde pyelography. Looking for online definition of antegrade pyelography in the medical. Antegrade pyelography penile cancer bedwetting enuresis penile prostheses. The main indications for the procedure are outlined, together with a note on the technique. Retrograde pyelography radiology reference article.
In pneumopyelography, oxygen is injected into the pelvis. Normal retrograde pyelogram obstructed retrograde pyelogram. Retrograde pyelogram any pyelogram in which contrast medium is. The antegrade pyelogram may be used to detect an obstruction of the urinary tract due to a stricture narrowing, a kidney stone, a blood clot, or a tumor. It involves the insertion of a cystoscope into the urinary. Pdf in patients with a percutaneous nephrostomy tube pcn inserted for symptomatic stone disease, antegrade pyelography is an accepted. During the test, the radiologist injects a contrast dye through a needle that is placed through the flank area of your back. Pyelogram or pyelography or urography is a form of imaging of the renal pelvis and ureter.
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