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Retrograde Pyelogram

What Is a Retrograde Pyelogram?

A retrograde pyelogram is a diagnostic X-ray procedure used in combination with a cystoscopy to determine the presence of stones, tumors, or other obstructions in the kidneys and ureters.   

In preparation for the retrograde pyelogram, the patient removes all clothing and jewelry that could interfere with the X-ray and puts on a hospital gown.  An intravenous line inserted in the arm or hand delivers sedatives for the procedure.  The patient’s legs are held in stirrups as they lie face up on the X-ray table.   

During the retrograde pyelogram, the physician inserts an endoscope through the urethra into the bladder.  The physician then examines the bladder by inserting a catheter into the ureter(s).  A contrast dye injected through the catheter(s) highlights trouble spots on the X-rays, which are taken at timed intervals.  After the removal of the catheter(s), the physician checks for the retention of the contrast dye. 

After the procedure, the patient moves to an observation room to monitor blood pressure, pulse, and breathing prior to being discharged or returned to the hospital room.  Many patients experience pain during urination and should check for signs of blood after being discharged from the hospital.  Patients should drink an extra pint of water per day for a week after the procedure to clean out the urine. Â