What is the role of postvoid residual testing in the workup of chronic bacterial prostatitis (CBP)?

Updated: Jan 15, 2019
  • Author: Samantha D Kraemer, MD; Chief Editor: Edward David Kim, MD, FACS  more...
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Postvoid residual testing measures the volume of urine left in the bladder immediately after voiding. This volume can be measured by catheterizing the bladder or by using a bladder scanner. Although the results are nonspecific, they can give clues to the presence of lower tract dysfunction, which may require surgical intervention to relieve prostatic obstruction or urethral stricture.

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