Anterograde pyelography is the procedure used to visualize the upper collecting system of the urinary tract, i.e., kidney and ureter. It is done in cases where. Procedure Overview. What is an antegrade pyelogram? An antegrade pyelogram is a type of x-ray used to diagnose an obstruction of the upper urinary tract. CASEY WC, GOODWIN WE. Percutaneous antegrade pyelography and hydronephrosis; direct, intrapelvic injection of urographic contrast material to secure a.

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Although no analysis of the stone was conducted, the urine analysis showed the presence of urate crystals.

Antegrade Pyelogram – Health Encyclopedia – University of Rochester Medical Center

Diagnosis, management and outcome. J Vet Intern Med. Images were acquired immediately, and at 10 and 15 min post- injection.

Your healthcare provider will tell you how long to fast. Urinomas caused by ureteral injuries: If a definitive diagnosis can be made, appropriate treatment will be initiated, depending on the specific problem. You will be asked to disrobe and put on a hospital gown. Note the irregular margins of the right kidney and the heterogeneous contrast enhancement of the right kidney affected by hydronephrosis. Complications of pediatric percutaneous renal procedures: Of note, at time 10 min, a small amount of contrast medium was detected within the right ureter, just caudal to the calculus, but leakage of contrast medium outside the ureter was not observed.

Narrowing of the ureter stricture Kidney stone Blood clot Tumor The radiologist can find the blockage by looking at the X-ray images.


Anterograde pyelography – Wikipedia

Experience Our Care Find a Doctor for: During the procedure, a contrast dye is injected into a portion of the ureter narrow tube that carries urine from the kidney to the bladder closest to the kidneys called the renal pelvis.

Find a physician at another Johns Hopkins Member Hospital: Generally, an antegrade pyelogram follows this process: Journal List Can Vet J v.

Use of this site is subject to the policies and terms of use. Textbook of Veterinary Diagnostic Radiology. After the procedure, you will be taken to the recovery room for observation. An antegrade pyelogram may be performed on an outpatient basis or as part of your stay in a hospital. Aspirin or certain other pain medications may increase the chance of bleeding. Ureteral obstruction causes an increase in ureteral pressure that is transmitted to nephrons that consequently release vasoactive mediators, which decrease the glomerular filtration rate GFR If no complications develop, you are usually free to leave the testing facility.

What is Antegrade Pyelography?

The CT scan was repeated using the same technique from the cranial pole of the right kidney to the mid-portion of the ureter.

Sonography-guided pyelocentesis and pyelography in cats: A small amount of free retroperitoneal fluid on the right, right hydronephrosis, and dilation of the proximal right ureter were confirmed. You may want to ask your healthcare provider about the amount of radiation used during the test.

I Agree You can learn more about our Cookie Policy here. Ureteral obstructions in dogs and cats: People who have an allergy to shellfish or iodine may experience an allergic reaction to the contrast dye. It might be several hours or overnight. In humans, CT represents the method of choice to diagnose ureteral leaks 24 and intravenous pyelography and antegrade and retrograde pyelography have complementary roles when ureteral rupture is suspected.


Dorsal multiplanar reconstruction image after percutaneous ultrasound-guided antegrade pyelography. Are pregnant or think you may be pregnant. Take only the medicines your provider tells you to. Address all correspondence to Dr.

Antegrade pyelography.

Follow any other instructions your provider gives you to get ready. The radiologist will take a series of X-rays as the dye moves through the ureters. At ultrasound examination, right renal hydronephrosis with loss of cortical-medullary distinction and proximal hydroureter 0.

The identification of small uroliths can be difficult especially in obese dogs, due to the superimposition of gastrointestinal structures such as the descending colon, or in dogs with lack of substantial ureteral distension This is considered normal.

Other related procedures that may be used to diagnose problems of the upper urinary tract include kidney, ureters, and bladder KUB x-ray, computed tomography CT scan of the kidneys, renal ultrasound, renal angiogram, intravenous pyelogram IVPretrograde pyelogram, and renal venogram. In veterinary medicine, several reports describe the use of ultrasound to guide antegrade pyelography to help detect ureteral obstruction in dogs and cats 1720 — Lang EK, Glorioso L.

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