What localization culture results are diagnostic 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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Answer

CBP is diagnosed by a 10-fold increase in bacteria in the EPS or VB3 specimen compared with VB1 and VB2 specimens (four-glass method) or by a 10-fold increase in bacteria in the post-massage specimen compared with the pre-massage specimen (two-glass method). Localization cultures do not need to demonstrate more than 100,000 colony-forming units (CFU) per milliliter to establish the diagnosis.


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