Could you explain the term "retrograde pyelogram" to me?
In brief:
Pyelogram
Is an invasive procedure in which you place a cystoscope through the urethra, then pass a small catheter through the scope into the opening of the ureter into the bladder and inject contrast material into the kidney to study the anatomy of the drainage system of the kidney and take x.
-rays usually under fluoroscopic control.
RETROGRADE PYELOGRAM