Retrograde ureteropyelography

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Retrograde ureteropyelography

Radiologist

Retrograde ureteropyelography is an X-ray examination of the passageways of urine from the bladder to the kidneys. It is performed when intravenous urography has not made it possible to visualize them correctly or when it is impossible to perform. This time we go through the natural pathways (the urethra and the bladder) where we first introduce a thin but rigid tube, the cystoscope, which makes it possible to locate the orifices of the ureters (channels bringing urine from the kidney to the bladder). The radiologist then inserts a thin flexible tube that allows the opaque liquid to be injected, which will cloud the urinary tract to the kidneys.