Retrograde Pyelography Ppt. Retrograde pyelography allows the physician to determine the length of ureteral stricture at the ureteropelvic junction, to determine whether a true stricture is present, and to measure the length of. With advances in ureteroscope and camera miniaturization, improved optical.

Rgu involves retrograde injection of contrast into the urethra and is used to evaluate the membranous and anterior urethra. Your urinary system includes your kidneys, bladder.