Urethrography in men: conventional technique versus clamp method.

Purpose: To compare examination adequacy and patient discomfort during retrograde urethrography (RUG) performed by using the conventional balloon method versus those of RUG and voiding cystourethrography (VCUG) performed with the clamp method of using drip infusion for the administration of contrast material.

Materials And Methods: This prospective study was approved by the institutional review board; written informed consent was obtained from all patients. Eighty men (mean age, 64.