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11 kwi 2022 · A retrograde pyelogram is done when you’re allergic to contrast media and it can’t be injected into your vein. Intravenous pyelograms aren’t used as often as they were. Providers now prefer to do computed tomography (CT) urograms to find bleeding, blockages or tumors.
A retrograde pyelogram may be used in persons suspected to have an obstruction, such as a tumor, stone, blood clot, or stricture (narrowing) in the kidneys or ureters. It evaluates the lower portion of the ureter to which urine flow is obstructed.
The retrograde pyelogram uses a dye to find out whether a kidney stone or something else is blocking your urinary tract. During the test, your doctor will insert a thin, lighted tube (cystoscope) into the urethra, which carries urine out of the body from the bladder.
You may need a retrograde pyelogram if your healthcare provider thinks something is blocking your kidneys or ureters. It's also used to find a possible causes of blood in your urine. This may be a tumor, stone, blood clot, or narrowing (strictures).
28 maj 2024 · Retrograde pyelography is used by many urologists to visualize the ureters and collecting system of the kidney. The procedure involves introducing contrast into the urinary system in a...
Retrograde pyelography is performed by cystoscopically guided cannulation of the ureteral orifice and contrast injection. The procedure can be combined with placement of a ureteral stent to relieve an obstruction, or with possible stone extraction.
1 sie 2023 · A retrograde pyelogram is an imaging test that uses X-rays to look at your bladder, ureters, and kidneys. Read on for details about what to expect before, during, and after this test.
