Retrograde urethrogram
A retrograde urethrogram is a routine radiologic procedure (most typically in males) used to image the integrity of the urethra. The procedure involves the injection of a radiopaque dye (contrast agent) into the urethral meatus of the glans penis in conjunction with x-ray imaging of the pelvic area. It is used when there is suspicion of urethral trauma, such as a history of trauma to the area followed by pain, inability to void urine, or the presence of blood at the urethral meatus.
Leakage of the dye at any point between the bladder and tip of the penis suggests urethral injury (usually secondary to pelvic trauma) and is an indication for surgical intervention.
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