PMC4996560_01
Preoperative voiding cystourethrogram (VCUG) showing ballooning of large left bladder diverticulum measuring 400 mL based on post void residual urine volume.
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During voiding, there was ballooning of the diverticulum with retention of contrast (Fig. 1).
A button bipolar vaporization electrode outside the left bladder diverticulum opening.
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Transurethral electrovaporization of the entire diverticular mucosa was then performed using a button vaporization electrode (Fig. 2).
Postoperative VCUG showing significant reduction in diverticulum size at full bladder distension with minimal post void residual urine volume.
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VCUG at 6 weeks showed a significant reduction in diverticulum size (Fig. 3).